This is also the fundamental concept of lowcoherence dh. The technique of holography can also be used to optically store, retrieve, and process information. A hologram does not have any symbols reminding the displayed object. The techniques and principles of holography have been modi. Though holography is simple enough for a novice to do in his or her basement, there are still a great number of factors in the process that can ruin the holograms. Technische fachhochschule berlin, university of applied sciences, seestr. It highlights the importance and need of this technology and how it represents the new wave in the future of technology and communications, the different application. Originally, holography was a technique used to improve electron microscopes. Library journalthis comprehensive book is a guide for nontechnical people who wish to create their own holograms. Holography classes are offered most weekday afternoons and on occasional weekday mornings. 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.
Holography modern physics lab, ucsd department of physics written by michael pollack theory. Holography october, 2006 overview since the last writing 2002, many changes and improvements have been made during the past few years. You will have access to helpful pdf documents to conduct your own knowledge excavation. Practical aspects of holography are then described, including light sources, the characteristics of recording media and recording. Spatial filters provide a convenient way to remove random fluctuations from the intensity profile of a laser beam, which can be critical for applications like holography and optical data processing. This page intentionally left blank basics of holography basics of holography is an introduction to the subject writte. Unlike a photograph, which records the square of the electric eld, a hologram contains both the amplitude and phase information from the image. Laser beams pick up intensity variations from scattering by optical defects and particles in the air. On the fundamentals of optical scanning holography tingchung poona the bradley department of electrical and computer engineering, virginia tech, blacksburg, virginia 24061 received august 2007. Unlike ordinary photographs, holograms record both phase and amplitude information. Applications and fundamentals of holography inspire. Approaching the topic of digital holography from the practical perspective of industrial inspection, digital holography for mems and microsystem metrology describes the process of digital holography and its growing applications for mems characterization, residual stress measurement, design and evaluation, and device testing and inspection. Optical holography didnt take off until the invention of the laser in 1960. Chapter 23 holography and holographic instruments lloyd huf f research institute uni y ersity of dayton dayton, ohio 2 3.
Introduction first experiments in numerical reconstruction of optical holograms date back to 196070th. 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. A basic digital holographic microscopy dhm setup consists of an. All classes are scheduled on an as needed basis by appointment only. Microwave holography infrared holography ultraviolet holography xrayholography electron holography acoustic holography lightinflightholography polarization holography conoscopic holography pseudodeep holograms digital holography conclusion references appendix 1 the mathematical background to holography formation of a hologram reconstruction. Characteristics of holograms holography and holographic. Applications and fundamentals of holography toepassingen en fundamenten van hologra. Holography, means of creating a unique photographic image without the use of a lens. Modern optics t h e i t y o f e d i n b u r g h topic 10. Holograms are photographs of three dimensional impressions on the surface of light waves. This chapter introduces the principles of digital holography, as well as the associated reconstruction methods. Atomic holography has evolved out of the development of the basic elements of atom optics. View enhanced pdf access article on wiley online library html view download pdf for offline viewing.
Although holograms were immediately popular for art, practical applications of optical holography lagged until the 1980s. The optics table has been divided into two partitions which allows a specific setup to remain intact. Monday friday 2pm 6pm or by appointment closed holidays and snow days please call ahead for hours of availability. It begins with the theory of holographic imaging, the characteristics of the reconstructed image, and the various types of holograms. Principles and techniques of digital holographic microscopy. 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. It is a system of light and dark areas created by interference of two beams that even under the microscope does not.
The hologram is then illuminated with laser light transmission or white light reflection. Basic fundamentals of digital holography request pdf. Holography meaning in the cambridge english dictionary. Pdf this book is devoted to special techniques in digital holography. Encoding multiple holograms for specklenoise reduction in optical display pasquale memmolo, 1,2, vittorio bianco, 1 melania paturzo, 1 bahram ja vidi, 3 paolo a. The next important milestone was the invention of the computergenerated hologram cgh by brown and lohman in 1966 3. I describe its historical development, its basic principles and some examples of its practical application in optical systems. There are two physical phenomena as the principles of the holography. Optical holography is a method for storage and displaying a threedimensional image of an object. Next, youll receive stepbystep instruction on setting up your own starter diy holography studio lab, much of it from inexpensive even nocost, readily available materials. The books explains basic physical fundamentals of a hologram and holography. 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.
Contents 1 introduction 2 2 the development of optical holography 4. Prepared for submission to jhep complexity of formation in holography shira chapman, ahugo marrochioa. Dynamics after a spatially localized optical excitation pdf. In the second chapter various experiments on holography are detailed out. The process is similar to that of photography except that rather than recording an image, it captures light fields. The book also contains an extensive list of references on the subject. Guide to practical holography scientific american, september 1969, acoustical holography, 1969, scientific american, volume 221, number 4. The first, understanding holography, presents the principles of hologram recording illustrated with practical examples. At that time, scanning devices that could be used for digitizing. Nobel prize winner dennis gabor, holographys inventor, saw the film after it was made and said it was the. They are interested in detailing advances related to fundamentals of digital holography, inline holography, digital.
Therefore, in order to make a hologram you need to. The photographic recording of the image is called a hologram, which appears to be an unrecognizable pattern of stripes and whorls but whichwhen illuminated by coherent light, as by a laser beamorganizes the light. Creating your own illusion lab manual sarah honorowski 01, shialing kwa 01 and shane smith 02. The release of graham saxbys third edition of practical holography shows how well the author understands what people need from a complete book on holography. A hologram is a physical recording of an interference pattern which uses diffraction to. By using numerical computation to cal culate the phase information of the wave at the hologram. Holography is now offered in both sessions of phys 128ab, allowing more students to perform the lab. In order to start the process, two beams of light are created by the refraction of one light beam directed at a.
Digital inline holographic microscopy jorge garciasucerquia, wenbo xu, stephan k. Basics of holography basics of holography is an introduction to the subject written by a leading worker in the. Inline holography with spherical waves,asoriginallyproposedbygabor,isthesimplest realization of the holographic method, working. Practical aspects of holography are then described, including light. In the final chapter various applications of holography are given. He takes the reader through what a hologram is, the history of holography, what sort of light sources can be used to make a hologram, what kinds have been made to date and so on through to. 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. The two waves after interacting will combine to form one wave. Pdf holography is the science of making holograms which are usually intended for displaying three dimensional images.
The intuitive idea of holography is that one has at hand two dual descriptions of the physical reality at different number of dimensions much like in the usual holograms, where one projects a three. Abstractthis research papers examines the new technology of holographic projections. Leith and upatnieks applied the principle of holography to freespace optical beams with the advent of the laser 2. It presents the basic properties related to a digital hologram. Basics of holography optical information processing and holography electron holography springer series in optical sciences optical holography. Hohmr4 hologram recombination machines are used to transfer the image from the nickel shim master to a special plastic namely polycarbonate sheet. Basic principles and applications of holography spie. Clear explanations of natural written and spoken english. Advances in digital holography stanislovas z acharovas geola digital uab, naugarduko str. Holography is the creation of threedimensional images called holograms. Basics of holography is a general introduction to the subject written by a leading worker in the field. Because phase is a relative property, construction of a. 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.
In this thesis we explore the fascinating topic of holography for various systems. 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 given, including quantitative phase microscopy. 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. The theory behind holography is rather straightforward and based on the fact that information recorded in the emulsion of photographic or holographic film is caused by the intensity, not the phase, of the electromagnetic wave incident on the film. The intuitive idea of holography is that one has at hand two dual descriptions of the physical reality at different number of dimensions much like in the usual holograms, where one projects a three dimensional object onto a two dimensional screen. Most classes are one on one with a maximum class size of three people. The resulting pattern is the sum of all these zone plates, which combine to. Holography 1 background the word hologram was coined from the greek word \holos which means whole, because the recorded hologram contains all the information of the image eld. As explained earlier the aim of this work is also the same, which is to devise a.
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