A hologram is a physical recording of an interference pattern which uses diffraction to. Holography princeton university pdf book manual free download. Phase masks and holography consider a plane wave of light normally incident on a glass sheet as shown in figure 1. One has to differentiate in computeraided holographyholography like holovideo by the mit luc97 and the so called digital holography. Epifluorescence is the overwhelming choice in modern microscopy and the reflected light vertical illuminator is interposed between the observation viewing tubes. To make holography accessible to a general audience with widely varied backgrounds, a physical model is useful. The difference between holography and photography is best understood by considering what a black and white photograph actually is. This site is like a library, you could find million book here by using search box in the header. The reconstruction of the object field encoded within the hologram is based on the principle of light diffraction. Projects holographic imaging media arts and sciences.
Just as chemists use sticks and balls to help them visualize the structure of molecules, our model will allow us to visualize, and thus understand, the physical characteristics of holograms without using advanced mathematics. Final projects this year face several major constraints. The optical design and construction of a reflection holographic stereogram system is. Holography ca 1620 holography is well known as a method for recording of fascinating 3d pictures of objects and also persons. As explained earlier the aim of this work is also the same, which is to devise a. Spring national institutes of health, bethesda, maryland, u. The quest of hologramic mind second edition, by paul pietsch illustrated html at indiana. Invented by dennis gabor in 1948 the ultimate 3d experience continuous head motion parallax natural eye vergence and accommodation other important depthcues. Library journalthis comprehensive book is a guide for nontechnical people who wish to create their own holograms.
Pdf 3d visualization techniques in the aec industry. Types of holograms a hologram is a recording in a two or threedimensional medium of the interference pattern formed when a point source of light the reference beam of fixed wavelength encounters light of the same fixed wavelength arriving from an object the object beam. The principals of wavefront reconstruction were discovered by gabor in an attempt to. Introduction when organic or inorganic specimens absorb and sub. Principles and techniques of digital holographic microscopy. Recording and reconstruction of holograms 2 22603 phywe series of publications laboratory experiments physics phywe systeme gmbh 37070 gottingen, germany transmission hologram perform the experimental setup according to fig. Holography is a method of recording patterns of lightto produce a threedimensional object. The development of new holography methods made it suitable for new industrial and scientific applications.
The fh analysis was devised to study the dynamics of task performing dynamical networks such as brain activity and. First, final projects will be presented at the end of the regular term, rather than during the exam period. Holographic interferometry holography virtual gallery. The optics table has been divided into two partitions which allows a specific setup to remain intact. Today, holograms are used for data storage, optical communications, interferometry in engineering and microscopy, security, and holographic scanning. In the 1980th and 1990th already intensive research was focused on materials for spectrally multiplexed holography. Holography basic principles and contemporary applications is a collection of fifteen chapters, describing the basic principles of holography and some recent innovative developments in the field. Holography basic principles and contemporary applications. Understand that making a hologram requires the recording of interference patterns. Digital recording and numerical reconstruction of holograms. Comparative study of digital holography reconstruction methods. Comparative study of digital holography reconstruction methods article pdf available in procedia computer science 58. Read online holography princeton university book pdf free download link book now.
Holography princeton university pdf book manual free. Figure 3825 shows photographs of a holographic image from two different angles, showing the changing perspective in this threedimensional image. All books are in clear copy here, and all files are secure so dont worry about it. Recording and reconstruction process in holography. Materials used for holography and material characteristics 3. Holography is now offered in both sessions of phys 128ab, allowing more students to perform the lab. Functional holography fh is a method of analysis designed to extract the maximum amount of functional information about the dynamical network as a whole unit itay baruchi and his ph. By the week before projects are due, there will most likely be no extra lab time not signed out. Holography october, 2006 overview since the last writing 2002, many changes and improvements have been made during the past few years. Optics for reflection holographic stereogram systems core. This beam is identical to reference beam used in construction of hologram. The name for the technique that was developed comes from the greek word holos, meaning whole, and gramma, meaning message.
Originally, holography was a technique used to improve electron microscopes. The alcove format hologram is a development along this line. Holography meaning in the cambridge english dictionary. Optical holography is a method for storage and displaying a threedimensional image of an object. Holographic versatile disc pdf ppt download abstract. Difficulttoreuse needles for the prevention of hiv infection among injecting drug abusers 1992, by don des jarlais pdf files at princeton filed under. The transfer quality on the plastic depends on temperature, pressure and machine used. In this paper, both the construction and reconstruction of hologram. Construction, exposure, and reconstruction real and virtual image b. After invention of holography by dennis gabor in 1947 it is widely used in various areas. The rest of your paper should describe the various types of holography and how to view them, some uses of holography, anticipated technologies stemming from holography, note. Contents 1 introduction 2 2 the development of optical holography 4. Holography physics homework help, physics assignments.
Holography is an advanced form of photography that allows an image to be recorded in three dimensions. Javidi, a companding approach for nonuniform quantization of digital holograms of threedimensional objects, optics express 1412, 512954 2006. Light that travels along the normal cp reaches p with a change in phase of kz. Pdf we present a method for generating holographic construction information from parametric models. The techniques and principles of holography have been modi. Light that reaches p after traveling a distance r has undergone a phase change of kr. Thus the images of an extended object can be recorded and reproduced just as for a single point object. However, some holographic applications are not widely known in modern life. Finally, the observation that the liouville action appears as the effective action on the boundary was made in 38, 37, 6. I describe its historical development, its basic principles and some examples of its practical application in optical systems. Holography means recording of the threedimensional structure of the light wave dispersed by the object. Find materials for this course in the pages linked along the left.
Optical holography didnt take off until the invention of the laser in 1960. Relation between basic holographic processes and the response of photographic film c. So they use holographic displays to show the hologram, depending on a high level of computation. One has to differentiate in computeraided holography holography like holovideo by the mit luc97 and the so called digital holography. Holography can be thought of as somewhat similar to sound recording, whereby a sound field created by vibrating matter like musical. If the holographic plate is illuminated after its development using the same reference wave used in the recording process, the light will diffract into three orders of diffraction if the diffraction network is sinusoidal. When a hologram is made, a coherent beam of light is divided so that one beam the reference beam falls directly onto a piece of photographic lm and another beam the object beam is formed from the light that is scattered by an object and falls onto the same piece of lm. An introduction to holography georgia tech school of. It is a problem of image recognition, interferometry of measurement, holographic optical elements, questions of image processing and many others. How holography goes about recording phase information on a medium insensitive to phase is with the use of two separate beams one is the usual beam associated with the image to be recorded and the other is a completely separate beam known as the reference beam and exploiting the interference. Characteristics of holograms holography and holographic. First, the basic results from the general theory of holography, based on the scalar diffraction theory, are summarized, and a general description of the digital holographic microscopy process is. Download holography princeton university book pdf free download link or read online here in pdf.
Dynamics after a spatially localized optical excitation pdf. Computational reconstruction of images from optical holograms. Nobel prize winner dennis gabor, holographys inventor, saw the film after it was made and said it was the. Plan ahead, plan conservatively, and have contingency plans in case something doesnt work out. Recording and reconstruction process in holography winner. The term hologram is a combination of the greek words holos complete and gram message holography is a process for recording and displaying three dimensional information without lenses therefore holography opens up completely new possibilities in science, engineering, graphics and arts. Yamaguchi, effects of quantization in phaseshifting digital holography, applied optics 4416, 12161225 2005. In a known conventional method of transmission hologram construction a single beam of radiation emanating from a single beam source usually a laser is split.
This film examines the process of holography, types of holograms, and the uses of the hologram for artistic and scientific purposes, as demonstrated by tung h. Holographic lens variations on holographic lens hologon headup display a p p l i e d o p tic s g r o u p d e p a r t ment o f p h y s i c s applications of holographic 1. Second, holographic materials are in worldwide short supply. Holography is a method of recording and reconstructing wavefronts residing anywhere in the electromagnetic spectrum or acoustic spectrum. Introduction dennis gabor invented holography in 1948 as a method for recording and reconstructing the amplitude and phase of a wave. The first, understanding holography, presents the principles of hologram recording illustrated with practical examples. Holography physics homework help, physics assignments and.
Because phase is a relative property, construction of a. Holography is a technique that enables a light field which is generally the result of a light source scattered off objects to be recorded and later reconstructed when the original light field is no longer present, due to the absence of the original objects. Enhanced scattering from a periodic structure grating equation, grating period d. This publication about the special holographic application holographic.
This record is obtained by the interference image that keeps the amplitude ratio of the dispersed light, i. Chapter 23 holography and holographic instruments lloyd huf f research institute uni y ersity of dayton dayton, ohio 2 3. Holography 1 holography introduction and background the aesthetic appeal and commercial usefulness of holography are both related to the ability of a hologram to store a threedimensional image. Since many years however, holography is also investigated as a technique for optical data storage. A relation between geometry of hyperbolic manifolds and the boundary cft was discussed in 28. Holography can be thought of as somewhat similar to sound recording, whereby a sound. The present invention relates to hologram construction and more particularly to a method and apparatus for constructing holograms and holograms made by use of such method and apparatus. That means less time to plan a good experiment, do all the lab work, and document your results. Sep 30, 2010 history of holography invented in 1948 by dennis gabor for use in electron microscopy, before the invention of the laser leith and upatnieks 1962 applied laser light to holography and introduced an important offaxis technique.
Although holograms were immediately popular for art, practical applications of optical holography lagged until the 1980s. History of holography invented in 1948 by dennis gabor for use in electron microscopy, before the invention of the laser leith and upatnieks 1962 applied laser light to holography and introduced an important offaxis technique. Holography is the technique of creating holograms that is special kind of images on 2dimensional surfaces that create the effect of 3 dimensional objects. Photography holographic recording hologram formation reconstruction types of holograms holographic material mass production of holograms a p p l i e d o p tic s g r o u p d e p a r t ment o f p h y s i c s. Holography and riemann surfaces international press. May 04, 1993 the present invention relates to hologram construction and more particularly to a method and apparatus for constructing holograms and holograms made by use of such method and apparatus. This chapter addresses optical holography as practiced in or near the visible region of the electromagnetic spectrum. The term hologram is a combination of the greek words holos complete and gram message holography is a process for recording and displaying threedimensional information without lenses therefore holography opens up completely new possibilities in science, engineering, graphics and arts. In the 1980th and 1990th already intensive research was focused on materials for. Pdf 3d volume reconstruction using hologram researchgate. Unlike a photograph, which records the square of the electric eld, a hologram contains both the amplitude and phase information from the image. The first step in understanding holographic memory is to understand what holographic means.
Unlike ordinary photographs, holograms record both phase and amplitude information. As you know from lab, holography takes a long time, even when youre just following lab directions. Basic principles and applications of holography spie. The recorded hologram is now a three dimensional structure, and it can be shown that. Optically recording information of the wavefront emanating from a 3d object. Making holograms the easy way by fred unterseher, jeannene hansen and bob schlesinger, is rich in detail about how to produce all kinds of hologram on a limited budget.
699 1682 1652 515 1212 1397 1653 68 42 1473 1680 1293 497 646 1257 1579 882 457 1505 81 1348 459 272 680 178 237 548 1 965 1378 532 790 978 1298 402 360