Fibre optics

Fibre optics ACKNOWLEDGEMENT: History of all great works in to witness that no great work was ever done without either active or passive support of a person surrounding and ones close quarters. Thus is it not hard to conclude how active assistance from senior could positively impact the execution of a project .I am highly thankful to our learned faculty for her active guidance throughout the completion of project. Last but not least, I would also want to extend my appreciation to those who could not be mentioned here but have well played their role to inspire me behind the certain. History:- Daniel Colladon first described this light fountain or light pipe in an 1842 article entitled On the reflections of a ray of light inside a parabolic liquid stream. This particular illustration comes from a later article by Colladon, in 1884. The principle that makes fiber optics possible, was first demonstrated by Daniel Colladon and Jacques Babinet in Paris in the early 1840s. John Tyndall wrote about the property of total internal reflection in an introductory book about the nature of light in 1870: When the light passes from air into water, the refracted ray is bent towards the perpendicular When the ray passes from water to air it is bent from the perpendicular If the angle which the ray in water encloses with the perpendicular to the surface be greater than 48 degrees, the ray will not quit the water at all: it will be totally reflected at the surface. The angle which marks the limit where total reflection begins is called the limiting angle of the medium. For water this angle is 48Â °27, for flint glass it is 38Â °41, while for diamond it is 23Â °42. The groundbreaking event happened in around 1965, Charles K. Kao and George A. Hockham of the British company Standard Telephones and Cables (STC) were the first to promote the idea that the attenuation in optical fibers could be reduced below 20 decibels per kilometer (dB/km), allowing fibers to be a practical medium for communication. They proposed that the attenuation in fibers available at the time was caused by impurities, which could be removed, rather than fundamental physical effects such as scattering. They correctly and systematically theorized the light-loss properties for optical fiber, and pointed out the right material to manufacture such fibers silica glass with high purity. This discovery led to Kao being awarded the Nobel Prize in Physics in 2009. NASA used fiber optics in the television cameras that were sent to the moon. At the time its use in the cameras was classified confidential and only those with the right security clearance or those accompanied by someone with the right security clearence were permitted to handle the cameras. In 1991, the emerging field of photonic crystals led to the development of photonic-crystal fiber which guides light by means of diffraction from a periodic structure, rather than total internal reflection. The first photonic crystal fibers became commercially available in 2000. Photonic crystal fibers can be designed to carry higher power than conventional fiber, and their wavelength dependent properties can be manipulated to improve their performance in certain applications. PROCESS OF MANUFACTURING OF FIBRE OPTICS:- Illustration of the modified chemical vapor deposition (inside) process Standard optical fibers are made by first constructing a large-diameter preform, with a carefully controlled refractive index profile, and then pulling the preform to form the long, thin optical fiber. The preform is commonly made by three chemical vapor deposition methods: inside vapor deposition, outside vapor deposition, and vapor axial deposition. With inside vapor deposition, the preform starts as a hollow glass tube approximately 40centimeters (16in) long, which is placed horizontally and rotated slowly on a lathe. Gases such as silicon tetrachloride (SiCl4) or germanium tetrachloride (GeCl4) are injected with oxygen in the end of the tube. The gases are then heated by means of an external hydrogen burner, bringing the temperature of the gas up to 1900K (1600Â °C, 3000Â °F), where the tetrachlorides react with oxygen to produce silica or germania (germanium dioxide) particles. When the reaction conditions are chosen to allow this reaction to occur in the gas phase throughout the tube volume, in contrast to earlier techniques where the reaction occurred only on the glass surface, this technique is called modified chemical vapor deposition. The oxide particles then agglomerate to form large particle chains, which subsequently deposit on the walls of the tube as soot. The deposition is due to the large difference in temperature between the gas core and the wall causing the gas to push the particles outwards (this is known as thermophoresis). The torch is then traversed up and down the length of the tube to deposit the material evenly. After the torch has reached the end of the tube, it is then brought back to the beginning of the tube and the deposited particles are then melted to form a solid layer. This process is repeated until a sufficient amount of material has been deposited. For each layer the composition can be modified by varying the gas composition, resulting in precise control of the finished fibers optical properties. In outside vapor deposition or vapor axial deposition, the glass is formed by flame hydrolysis, a reaction in which silicon tetrachloride and germanium tetrachloride are oxidized by reaction with water (H2O) in an oxyhydrogen flame. In outside vapor deposition the glass is deposited onto a solid rod, which is removed before further processing. In vapor axial deposition, a short seed rod is used, and a porous preform, whose length is not limited by the size of the source rod, is built up on its end. The porous preform is consolidated into a transparent, solid preform by heating to about 1800K (1500Â °C, 2800Â °F). The preform, however constructed, is then placed in a device known as a drawing tower, where the preform tip is heated and the optic fiber is pulled out as a string. By measuring the resultant fiber width, the tension on the fiber can be controlled to maintain the fiber thickness. Principle of operation:- An optical fiber is a cylindrical dielectric waveguide (nonconducting waveguide) that transmits light along its axis, by the process of total internal reflection. The fiber consists of a core surrounded by a cladding layer, both of which are made of dielectric materials. To confine the optical signal in the core, the refractive index of the core must be greater than that of the cladding. The boundary between the core and cladding may either be abrupt, in step-index fiber, or gradual, in graded-index fiber. Index of refraction: The index of refraction is a way of measuring the speed of light in a material. Light travels fastest in a vacuum, such as outer space. The actual speed of light in a vacuum is about 300,000 kilometres (186 thousand miles) per second. Index of refraction is calculated by dividing the speed of light in a vacuum by the speed of light in some other medium. The index of refraction of a vacuum is therefore 1, by definition. The typical value for the cladding of an optical fiber is 1.46. The core value is typically 1.48. The larger the index of refraction, the slower light travels in that medium. From this information, a good rule of thumb is that signal using optical fiber for communication will travel at around 200 million meters per second. Or to put it another way, to travel 1000 kilometers in fiber, the signal will take 5 milliseconds to propagate. Thus a phone call carried by fiber between Sydney and New York, a 12000 kilometer distance, means that there is an absolute minimum delay of 60 milliseconds (or around 1/16th of a second) between when one caller speaks to when the other hears. (Of course the fiber in this case will probably travel a longer route, and there will be additional delays due to communication equipment switching and the process of encoding and decoding the voice onto the fiber). Total internal reflection: When light traveling in a dense medium hits a boundary at a steep angle (larger than the critical angle for the boundary), the light will be completely reflected. This effect is used in optical fibers to confine light in the core. Light travels along the fiber bouncing back and forth off of the boundary. Because the light must strike the boundary with an angle greater than the critical angle, only light that enters the fiber within a certain range of angles can travel down the fiber without leaking out. This range of angles is called the acceptance cone of the fiber. The size of this acceptance cone is a function of the refractive index difference between the fibers core and cladding. In simpler terms, there is a maximum angle from the fiber axis at which light may enter the fiber so that it will propagate, or travel, in the core of the fiber. The sine of this maximum angle is the numerical aperture (NA) of the fiber. Fiber with a larger NA requires less precision to splice and work with than fiber with a smaller NA. Single-mode fiber has a small NA. TYPES OF FIBRE OPTICS:- Multi-mode fiber:- Fibers which support many propagation paths or transverse modes are called multi-mode fibers (MMF). Multi-mode fibers generally have a larger core diameter, and are used for short-distance communication links and for applications where high power must be transmitted. Fiber with large core diameter may be analyzed by geometrical optics. Such fiber is called multi-mode fiber. from the electromagnetic analysis . In a step-index multi-mode fiber, rays of light are guided along the fiber core by total internal reflection. Rays that meet the core-cladding boundary at a high angle , greater than the critical angle for this boundary, are completely reflected. The critical angle (minimum angle for total internal reflection) is determined by the difference in index of refraction between the core and cladding materials. Rays that meet the boundary at a low angle are refracted from the core into the cladding, and do not convey light and hence information along the fiber. The critical angle determines the acceptance angle of the fiber, often reported as a numerical aperture. A high numerical aperture allows light to propagate down the fiber in rays both close to the axis and at various angles, allowing efficient coupling of light into the fiber. However, this high numerical aperture increases the amount of dispersion as rays at different angles have different path lengths and therefore take different times to traverse the fiber. Single-mode fiber:- Those which can only support a single mode are called single-mode fibers (SMF). Single-mode fibers are used for most communication links longer than 550meters (1,800ft). The structure of a typical single-mode fiber. Core: 8Â µm diameter Cladding: 125Â µm dia. Buffer: 250Â µm dia. Jacket: 400Â µm dia. Fiber with a core diameter less than about ten times the wavelength of the propagating light cannot be modeled using geometric optics. Instead, it must be analyzed as an electromagnetic structure, by solution of Maxwells equations as reduced to the electromagnetic wave equation. The electromagnetic analysis may also be required to understand behaviors such as speckle that occur when coherent light propagates in multi-mode fiber. As an optical waveguide, the fiber supports one or more confined transverse modes by which light can propagate along the fiber. Fiber supporting only one mode is called single-mode or mono-mode fiber. The most common type of single-mode fiber has a core diameter of 8-10 micrometers and is designed for use in the near infrared. The mode structure depends on the wavelength of the light used, so that this fiber actually supports a small number of additional modes at visible wavelengths. Multi-mode fiber, by comparison, is manufactured with core diameters as small as 50 micrometers and as large as hundreds of micrometers. The normalized frequency V for this fiber should be less than the first zero of the Bessel function J0 (approximately 2.405). Special-purpose fiber: Some special-purpose optical fiber is constructed with a non-cylindrical core and/or cladding layer, usually with an elliptical or rectangular cross-section. These include polarization-maintaining fiber and fiber designed to suppress whispering gallery mode propagation. Photonic-crystal fiber is made with a regular pattern of index variation (often in the form of cylindrical holes that run along the length of the fiber). Such fiber uses diffraction effects instead of or in addition to total internal reflection, to confine light to the fibers core. The properties of the fiber can be tailored to a wide variety of applications. APPLICATIONS OF FIBRE OPTICS:- Optical fiber communication: Optical fiber can be used as a medium for telecommunication and networking because it is flexible and can be bundled as cables. It is especially advantageous for long-distance communications, because light propagates through the fiber with little attenuation compared to electrical cables. This allows long distances to be spanned with few repeaters. Additionally, the per-channel light signals propagating in the fiber have been modulated at rates as high as 111 gigabits per second by NTT, although 10 or 40Gb/s is typical in deployed systems. Each fiber can carry many independent channels, each using a different wavelength of light (wavelength-division multiplexing (WDM)). The net data rate (data rate without overhead bytes) per fiber is the per-channel data rate reduced by the FEC overhead, multiplied by the number of channels. For short distance applications, such as creating a network within an office building, fiber-optic cabling can be used to save space in cable ducts. This is because a single fiber can often carry much more data than many electrical cables, such as 4 pair Cat-5 Ethernet cabling. Fiber is also immune to electrical interference; there is no cross-talk between signals in different cables and no pickup of environmental noise. Non-armored fiber cables do not conduct electricity, which makes fiber a good solution for protecting communications equipment located in high voltage environments such as power generation facilities, or metal communication structures prone to lightning strikes. They can also be used in environments where explosive fumes are present, without danger of ignition. Wiretapping is more difficult compared to electrical connections, and there are concentric dual core fibers that are said to be tap-proof. Fiber optic sensors :- Fibers have many uses in remote sensing. In some applications, the sensor is itself an optical fiber. In other cases, fiber is used to connect a non-fiberoptic sensor to a measurement system. Depending on the application, fiber may be used because of its small size, or the fact that no electrical power is needed at the remote location, or because many sensors can be multiplexed along the length of a fiber by using different wavelengths of light for each sensor, or by sensing the time delay as light passes along the fiber through each sensor. Time delay can be determined using a device such as an optical time-domain reflectometer. Optical fibers can be used as sensors to measure strain, temperature, pressure and other quantities by modifying a fiber so that the quantity to be measured modulates the intensity, phase, polarization, wavelength or transit time of light in the fiber. Sensors that vary the intensity of light are the simplest, since only a simple source and detector are required. A particularly useful feature of such fiber optic sensors is that they can, if required, provide distributed sensing over distances of up to one meter. Extrinsic fiber optic sensors use an optical fiber cable, normally a multi-mode one, to transmit modulated light from either a non-fiber optical sensor, or an electronic sensor connected to an optical transmitter. A major benefit of extrinsic sensors is their ability to reach places which are otherwise inaccessible. An example is the measurement of temperature inside aircraft jet engines by using a fiber to transmit radiation into a radiation pyrometer located outside the engine. Extrinsic sensors can also be used in the same way to measure the internal temperature of electrical transformers, where the extreme electromagnetic fields present make other measurement techniques impossible. Extrinsic sensors are used to measure vibration, rotation, displacement, velocity, acceleration, torque, and twisting. Other uses of optical fibers:- Light reflected from optical fiber illuminates exhibited model Fibers are widely used in illumination applications. They are used as light guides in medical and other applications where bright light needs to be shone on a target without a clear line-of-sight path. In some buildings, optical fibers are used to route sunlight from the roof to other parts of the building . Optical fiber illumination is also used for decorative applications, including signs, art, and artificial Christmas trees. Swarovski boutiques use optical fibers to illuminate their crystal showcases from many different angles while only employing one light source. Optical fiber is an intrinsic part of the light-transmitting concrete building product, LiTraCon. Optical fiber is also used in imaging optics. A coherent bundle of fibers is used, sometimes along with lenses, for a long, thin imaging device called an endoscope, which is used to view objects through a small hole. Medical endoscopes are used for minimally invasive exploratory or surgical procedures (endoscopy). Industrial endoscopes used for inspecting anything hard to reach, such as jet engine interiors. In spectroscopy, optical fiber bundles are used to transmit light from a spectrometer to a substance which cannot be placed inside the spectrometer itself, in order to analyze its composition. A spectrometer analyzes substances by bouncing light off of and through them. By using fibers, a spectrometer can be used to study objects that are too large to fit inside, or gasses, or reactions which occur in pressure vessels. An optical fiber doped with certain rare earth elements such as erbium can be used as the gain medium of a laser or optical amplifier. Rare-earth doped optical fibers can be used to provide signal amplification by splicing a short section of doped fiber into a regular (undoped) optical fiber line. The doped fiber is optically pumped with a second laser wavelength that is coupled into the line in addition to the signal wave. Both wavelengths of light are transmitted through the doped fiber, which transfers energy from the second pump wavelength to the signal wave. The process that causes the amplification is stimulated emission. Optical fibers doped with a wavelength shifter are used to collect scintillation light in physics experiments Optical fiber can be used to supply a low level of power (around one watt) to electronics situated in a difficult electrical environment. Examples of this are electronics in high-powered antenna elements and measurement devices used in high voltage transmission equipment. USES:- Optical fibers are widely used in fiber-optic communications, which permits transmission over longer distances and at higher bandwidths (data rates) than other forms of communications. Fibers are used instead of metal wires because signals travel along them with less loss, and they are also immune to electromagnetic interference. Fibers are also used for illumination, and are wrapped in bundles so they can be used to carry images, thus allowing viewing in tight spaces. Specially designed fibers are used for a variety of other applications, including sensors and fiber lasers. Light is kept in the core of the optical fiber by total internal reflection. This causes the fiber to act as a waveguide. ADVANTAGES OF FIBRE OPTICS: We knowthe electrical signals travel pretty well in metal cables but nothing compares to light inoptical fibre. If we have to list the most outstanding advantages of using light as a carrier and optical fibres as transmission channels these may be some of them: Great bandwidth available to transmit information. You can easily use many GHz of bandwidth limitations being mostly related to electronics in the transmitters and the receivers. Low attenuation of the light travelling through optical fibres. Light can travel many kilometres in an optical fibre with little attenuation and without using amplifiers/repeaters or having them spaced a lot more than amplifiers in coaxial cables for example. Immunity to interferences. Optical fibres are made of glass not of any metal which makes them immune to any kind of electromagnetic interference. Galvanic isolation. Since they are not metallic they dont establish electrical contactbetween emitter and receiver nor create any capacitance along the length of the cable. REFERENCES:- http://en.wikipedia.org/wiki/Optical_fiber http://www.educypedia.be/electronics/cablingfibers.htm http://www.protelturkey.com/teknik/fo/IntroToFOMeas.pdf

Morphology of the Heart Essay

The heart is a muscular organ found in all animals with a circulatory system. The heart pumps blood throughout the blood vessels by contractions. Cardiac means â€Å"related to the heart†, and comes from the Greek. The vertebrate heart is made up of cardiac muscle, it’s an involuntary striated muscle tissue found only in this organ, and connective tissue. The male’s heart weighs 9-11 ounces, and the female’s heart weighs about 11-12 ounces. A person’s blood pressure has major effects on their heart; high blood pressure is a major risk factor for a heart attack. If the heart can’t get enough oxygen, you will get chest pains which is called angina, and when your blood flow is blocked, it will result in a heart attack. Not only do heart attacks occur with high blood pressure, so does congestive heart failure. Congestive heart failure can be deadly and is a result of the heart being unable to pump enough blood for what your body needs. Homeostasis is your body’s ability to maintain an internal environment that is constant, no matter what is happening outside of it. The body has a lot of responsibility, like blood pressure, temperature, and things like glucose levels even. So, when the body’s blood pressure is high, or even low, it means that your body’s homeostasis or balanced state has become unbalanced. References: Homeostatic Regulation of Blood Pressure , 2012. eHow.com.http://www.ehow.com/about_5565094_homeostatic-regulation-blood-pressure.html#ixzz2FS7wlBON SteadyHealth.2004 – 2011 Wesite: http://terms.steadyhealth.com/Heart_morphology NHLBI. 2012.Website:http://www.nhlbi.nih.gov/hbp/hbp/effect/heart.htm

The Holy Of Marriage The Sacrament Of Matrimony

The purpose of this paper is to provide information through research of the sacrament that in my opinion is most meaningful, the sacrament of Matrimony. The paper will include the history of matrimony, why marriage is considered a sacrament, suggestions for future development as well as why this sacrament was chosen. Before we can begin to understand matrimony as a sacrament we must first understand its history and what the sacrament of marriage is meant to represent. Matrimony was not always considered a sacrament; in fact there was a time when marriage was considered a contract rather than a covenant in many cultures. Historically, in some contexts marriage was thought of as merely a social arrangement for continuing the family name, preserving family property and cementing diplomatic arrangements. Matrimony did not incorporate the friendship dimension of marriage. (Cooke Macy, 2005) Men and women were simply married for economic reasons where love was not important. â€Å"Jesus lived and preached in a world that saw marriage primarily as an economic contract. Jews considered marriage a commandment, but one intended to benefit the wider community by ensuring stability and economic prosperity.† (Manning, 2012) In the twelfth century however, marriage began to become recognized as a commitment between two people. (Cooke Macy, 2005, p. 66) Marriage today is the true commitment, a partnership between two people who love and respect each ot her. The partners grow in their faithShow MoreRelatedEssay on Christian Marriage1487 Words   |  6 PagesChristian Marriage Introduction and background. Christian Marriage, also called Matrimony is a sacrament in which a man and a woman publicly declare their love and fidelity in front of witnesses, a priest or minister and God. The It is seen by all Christian churches as both a physical and spiritual fulfillment. 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Essay on The Character of Hamlet - 1852 Words

The Character of Hamlet This essay will delve into the character of the hero of William Shakespeare’s Hamlet as it develops through the drama, and will analyze the more important features. Louis B. Wright and Virginia A. LaMar in â€Å"Hamlet: A Man Who Thinks Before He Acts† explain the popularity of the protagonist: Much of the delight of modern readers, of course, comes from the study of the characters of the principal figures in the play, for Shakespeare has presented them in three-dimensional vividness. We feel that they are living beings with problems that are perennially human. If a modern man is not called upon, as Hamlet was, to avenge a murdered father, he nevertheless must face crises in his own life†¦show more content†¦a beast, that wants discourse of reason, Would have mournd longer--married with my uncle [. . .] . (1.2) Soon Horatio, the hero’s closest friend (â€Å"Horatio, thou art een as just a man / As eer my conversation coped withal.†), and Marcellus make contact with Hamlet and escort him to the ramparts of Elsinore. Philip Edwards in â€Å"The Ghost: Messenger from a Higher Court of Values?† explains that â€Å"Hamlet is galvanized into activity by the news of the appearance of a ghost that resembles his dead father†(Edwards 66-67). At one a.m. the Ghost reveals to the protagonist the extent of the evil within Elsinore. The Ghost says that King Hamlet I was murdered by Claudius, who had a relationship with Gertrude prior to the murder; the ghost requests revenge by Hamlet: â€Å"Revenge his foul and most unnatural murder.† Hamlet swears to carry out vengeance on King Claudius for the murder of his father. From the outset of the drama, but especially with the personal qualities manifested during the ghost scene, the audience sees the continuing development of Hamlet’s character into one of very complex temperament and motivation, which would render him quite â€Å"rounded† (Abrams 33). Maynard Mack in â€Å"The World of Hamlet† elaborates on the implications of the Ghost’s visit for the hero: â€Å"The ghost’sShow MoreRelatedCharacter Analysis Of Hamlet In Hamlet730 Words   |  3 PagesHamlet is a character of melancholy because he is a very sad individual finding out that his very own uncle has killed his father. He is wanting to commit suicide but he’s contemplating it because it is a sin. 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At first HamletRead MoreHamlet Character Analysis918 Words   |  4 PagesIn the play Hamlet, Shakespeare raises the question regarding deception and the differences between â€Å"seeming† and â€Å"being†. Each character is trying to decipher what each other are truly thinking, contrary to what they are pretending to think. Shakespeare sets Hamlet up to illustrate the complexity of how one must deceive others to reveal the truth.  ¬Ã‚ ¬The coexistence of appearances and reality develops as the Danish court gets engulfed in a web of corruption, lies and deception. Through how ShakespeareRead MoreHamlet Character Essay1189 Words   |  5 PagesThe Troubled Prince: An Analysis of Hamlet â€Å"To be, or not to be: That is the question†(3.1.58). This is probably the most famous quote in all of Shakespearean literature and was uttered by the main character, Hamlet, of the play â€Å"Hamlet† written by Shakespeare. It demonstrates his instability and suicidal thoughts. Throughout the play he comes off as a very unpredictable and complex character. He makes many rash decisions, but at the same time often takes a lot of time to contemplate many of hisRead MoreHamlet Character Analysis1502 Words   |  7 PagesWritten by William Shakespeare, Hamlet has a strong relationship with the authors society and era, being the late 1500’s to early 1600’s. Hamlet, a character is confliction with his society, shows different views and actions to his fellow Danish men. Shakespeare could create a character whom through Hamlet’s life choices, his own historical and cultural context and the state of Hamlet being in confliction with the Elizabethan-era a nd Nihilism showed immense differences from his society, which ShakespeareRead MoreCharacter Analysis Of Hamlet1065 Words   |  5 Pageswill be explaining where and when Hamlet talks about certain characters, to help explain how he thinks about them (ex: King Hamlet, Claudius, and Gertrude). This essay will help to explain Hamlet as well as his thought process throughout the book (story). In Act 1, Scene 2 (Gertrude) (Lines 141-145) Quote â€Å"That he might not beteem the winds of heaven Visit her face too roughly.—Heaven and earth, Must I remember?† In this first part from line 141 to 143 Hamlet says â€Å"Oh God, do I have to rememberRead MoreHamlet Character Analysis995 Words   |  4 PagesIn William Shakespeare’s Hamlet, there are many events and characters that are ambiguous to the audience. They are interpreted in several ways as there are different view points on why a character decided to act like they did. Such examples in the play are Hamlet’s use of language is equivocal as he uses his words to confuse and insult other characters in the play. Moreover, the decisions that Hamlet makes to delay Claudius’ murder in the play can be interpreted to have various explanations. Hamlet’sRead MoreHamlet Character Analysis961 Words   |  4 PagesWhen one reads William Shakespeare’s Hamlet, it is easy to overlook t he female characters as powerless and subservient. However, things are not always what they seem at first glance, as a further analysis of Gertrude and Ophelia suggests. Although the plot centers around Hamlet’s quest for revenge, these two female characters have a profound influence on what transpires. These women certainly play more significant roles than they seem at first. In Act I, Gertrude appears to be an unfaithful wifeRead MoreThe Juxtaposition of Hamlet Characters1658 Words   |  7 PagesWilliam Shakespeare’s play â€Å"The Tragedy of Hamlet†, Ophelia and Laertes represent different aspects of prince Hamlets traits that further the understanding of his behaviour, thoughts, and over-all character. Laertes and Ophelia, like Hamlet, are children of murdered fathers. This connection helps create a link between the three that sends them passionately to their end. Ophelia has an important relationship and entangling affair with the prince. Hamlets and Ophelia’s actions in time lead the youngRead MoreHamlet Character Analysis1135 Words   |  5 PagesHamlet was living a normal happy life before his father suddenly died. He was in line for the throne, parents who loved him, and close friends in Wittenberg. Once Hamlet’s father was suddenly dead all of this changed. His uncle took the throne from him, he despised his mother for her new relationship with his uncle, and he had to leave all of his friends in Wittenberg to return to Denmark. A piece of Hamlet died when his father passed away. Hamlets character goes through a development which reveals