Quebec - Optics City bar code scanners Credit card holograms to prevent to the dispersion and polarizationof light, etc.). All companies that invest in optics/photonics must remain http://www.quebecciteoptique.com/en/definition.asp
Extractions: Home What is Optics/Photonics? Welcome from the Official Representative Optics/photonics (also known simply as optics) is a rapidly emerging field of scientific, technological, and industrial activity with wide-ranging applications. Optics has to do with the production, manipulation, transmission, and detection of photons , fundamental components of light composed of waves and energy particles. The field is a promising amalgam of various specialties and techniques related to lenses, lasers, LED, glass and plastic fibers, etc. Closely associated with ICT , the field of optics encompasses classical optics as well as electronics and software engineering. Although its roots stretch far back into history, the field today is a resolutely modern one. So evident is the importance of light in the natural world around us that it takes a conscious effort to actually notice it. Ultraviolet light probably played a key role in the origin of plant and animal life. Photosynthesis is the basis for virtually all forms of primitive life. And for we humans, sight is the most critical sense for perceiving the world we live in. Indeed, the sophisticated eye of the vertebrate is one of the most refined light detectors ever invented. In the 21st century, indications are that light, through optics technology, will play an even greater role in communications, information, medicine, national defense, and other fields of scientific endeavor. Although recent developments may be less spectacular than the revolution in light sciences sparked by the completion of the first laser in 1960, their impact is easily seen in numerous everyday products and modern conveniences.
Extractions: Latest issue OLE home Subscriptions Media information ... Contacts quick search Search the archive more articles Making the switch Companies around the globe are competing to develop the de facto optical switches to be used in future all-optical communications networks. Nadya Anscombe reports on one of the lesser-known developments in switching technology - electrically switchable holograms. From September 2001 Bragg grating Time and again, the latest developments in optical switching technology have been hailed as the key to the all-optical network of the future. Microelectromechanical systems, for example, are currently receiving a lot of attention, with a plethora of start-up companies racing to be the first to market. However, two start-ups - Israeli company Trellis Photonics and US firm Digilens - have opted to try something completely different. They are working on electrically switchable holographic technology, which uses holograms activated by a voltage to reflect light beams. As with microelectromechanical systems (MEMS), electrically switchable holograms eliminate the need for converting photonic signals into electronic ones. Unlike MEMS, however, electrically switchable holograms contain no moving parts. They are also wavelength selective, have fewer alignment problems and are potentially much faster.
Dynamic Holographic Optical Tweezers one tightly focused beam of light creates one HOTs) use computergenerated holograms,also known testing and diagnostics, photonics manufacturing, biological http://griergroup.uchicago.edu/~grier/hot/hot.shtml
Extractions: Peristalsis An optical tweezer uses the forces engendered by a strongly focused beam of light to trap, manipulate, and transform small volumes of matter. Originally introduced by Ashkin, Dziedzic, Bjorkholm and Chu in 1986, optical tweezers have become indispensible tools for research in physics, chemistry, and biology. More recently, optical tweezers have been generalized into a
Untitled Document Developing medical applications of light and lasers. Robert F. Cartland, USCbobc@photonics.usc.edu. how to buy pretty holograms over the internet. http://www.osk.or.kr/link_bodyf_04.htm
Extractions: Research Institutes AAAS, the American Association for the Advancement of Science All Optical Networking Programs Applied Optics Group Of the Department of Physics, University of Edinburgh, Scotland. Applied Optics Group at the University of L'Aquila, Italy Applied Optics Lab at New Mexico State University Applied Optics Lab at New Mexico State University. This link is down. Beaglehole's Ellipsometry Site "The Southern Hemisphere's Only Ellipsometry Site:" News, preprints, instruments and links. Beckman Laser Institute and Laser Clinic Clinic and research center Bilkent Faculty of Science Bilkent University, Ankara, Turkey - experimental and theoretical research on the optical spectroscopy of solids. Blackett Laboratory Applied Optics Group, Royal College, London. Blue Sky Research Broadband Communications Research Laboratory at the University of Ottawa, Canada. Center
Contact Details Of Hololight Consultancy. smoothened blanks in white light, Opt.Laser of lensless Fourier transform holograms,International Workshop on on fibre optics and photonics, photonics96, IIT http://hololight.virtualave.net/contact.html
Extractions: Who Are We? Select A Topic Company Query/Contact Services Employment Medical Applications Recording Materials Light-in-Flight Characteristics Aberrations Orthoscopic Image Pseudoscopic Image Diffractive Optics Offaxis Holography Display Holography Embossed Holography Color Holography Multiplexed Holo X-Ray Holography HoloEndoscopy HoloCinematography HoloOphthalmology Holo Portraits Holo in Dentistry Holo in Otology Holo in Orthopedics Holographic Studio Holograms Types Holo Television Holography Books Practical Holography WRITE YOUR QUERY HERE HOME var link = "EMAIL"; var tag1 = "mail"; var tag2 = "to:"; var email1 = "%20info"; var email2 = "hololight"; var email3 = ".virtualave"; var email4 = ".net"; var subject = ""; var cc = ""; var bcc = ""; var body = ""; document.write("" + link + "") //> Hololight Consultancy is headed by Dr. Prakash Chandra Mehta, who has over two decades of hands-on experience in the areas of optics, lasers, holography, and related subjects.
Moti Segev's Publications List of partially spatiallyincoherent light, Physical Review solitons, Optics and PhotonicsNews, Special by recording Ferroelectric domain holograms, Journal of http://physics.technion.ac.il/~msegev/pubs1.html
Extractions: (updated: February 6 2003) Accepted for Publication in Refereed Journals (168) J. W. Fleischer, M. Segev, N. K. Efremidis, and D. N. Christodoulides, Observation of two-dimensional discrete solitons in optically-induced nonlinear photonic lattices, to appear (accepted), Nature Published in Refereed Journals (most recent first) (167) J. W. Fleischer, T. Carmon, M. Segev, N. K. Efremidis, and D. N. Christodoulides, Observation of discrete solitons in optically-induced real time waveguide arrays , Physical Review Letters 90, 23902 (2003). (166) J. W. Fleischer, N. K. Efremidis, T. Carmon, D. N. Christodoulides, and M. Segev, Solitons in optically-induced nonlinear photonic lattices , Optics and Photonics News, Special Issue: Optics in 2002, vol. 13(12), 49 (2002). (165) J. P. Torres, L. Torner, I. Biaggio, and M. Segev, Tunable self-action of light in optical rectification , Optics Communications 213, 351 (2002). (164) O. Cohen, T. Carmon, M. Segev, and S. Odoulov, Holographic solitons , Optics Letters 27, 2031 (2002).
Project Background holograms we have to use a laser light. Institute of Micromechanics and photonics,we are working about visualization and animation digital holograms. http://holo.mchtr.pw.edu.pl/html/body_holography.html
Extractions: How does holography work? Many people ask about differences between holography and photography. "Holo graphy" and "photo graphy" sounds similar, and many things of these techniques are similar. It isn't true. Photography and holography record light on photosensitive materials and here ends any similarity. They are based on the different principles. Photography store information about intensity of the light only. On the photographic picture you can see many dark and light areas. The image has no depth, is as flat as a photographic paper. In holography due to interaction between coherent reference and object beams full information about our object can be recorded (i.e.: amplitude as in photography and phase the representation of third dimension). To make a hologram we need source of light, which give us lightwaves with high level of coherence . It means that two waves should have the same wavelength and will stay in the same phase while they travel forward. Laser is the source of coherent light and therefore is the only source of light for holographers.
David Brady Publications Ieee photonics Technology Letters, 1996 JH, et al., Diffraction Efficiency of StrongVolume holograms D., Optical Computing Switching Arrays Make light Work in http://www.disp.duke.edu/~dbrady/links/publications/
Extractions: We are working on the physics and technology of diode-pumped monolithic solid-state lasers. The general goal is to develop miniature solid-state lasers using the simplest structure yet still capable of delivering intense short pulses with superior beam quality and spectral purity . The monolithic lasers typically consist of a single crystal with the end surfaces polished and coated to form a laser cavity. In these monolithic solid-state lasers, there is no moving parts or discrete optical components. The functions of the conventional laser cavity, including mode control, frequency control, polarization control and frequency selection, are performed by a multifunction laser material. An example of the multifunctional laser material is the chromium and neodymium co-doped YAG ( Yttrium aluminum garnet ) crystal in which the chromium ions serve as light modulator, polarizer and aperture and the neodymium ions serve as the light emitter. Using chromium-neodymium co-doped material to form a monolithic cavity, we have successfully developed a series of monolithic high-power pulsed lasers that emit short pulses of nanosecond to picosecond pulse duration in single frequency. The beam quality is close to the theoretical limits. The pulse energy generated from the monolithic lasers is one thousand times higher than that of the conventional solid-state lasers.
Photonics photonics Research Topics DepthResolved Imaging Using to record depth-resolvedholograms using multiple power short coherence length light in order to http://www.op.ph.imperial.ac.uk/photonics/research/medical/turbid.htm
Extractions: Colloquia 2002 Adaptive Optics ... Research Topics Depth-Resolved Imaging Using Photorefractive Holography Depth-Resolved Imaging Using Photorefractive Holography An example of depth-resolved photorefractive holography We have demonstrated depth-resolved holography to be a valuable method of real-time high resolution 3-D imaging, applicable through turbid media, which provides rapid whole-field acquisition and high depth and transverse spatial resolution images. This technique has applications in 3-D profiling, biomedical imaging through tissue and imaging through the atmosphere and sea water. Depth-resolved photorefractive holography Figure 1 Schematic of photorefractive holography (a) (b) (c) (d) (e) (f) Figure 2 (a) 3-D test object, (b) - (e) depth-resolved images of different object layers, (f) computer reconstruction of the object. Quantum Optoelectronics Research Group at Purdue University.
Photonics source using continuous wave light injection for by axicontype computer-generatedholograms, Carl Paterson laser amplifiers , IEEE photonics Technology Letters http://www.op.ph.imperial.ac.uk/photonics/publications/pub_1996.htm
Courses2001 - Page 55 Of 61 and audio/video enhancement; they will create holograms, engrave, develop lightshows, design 990 photonics 1 (Grades 1112 Credit 2) Prerequisite C http://www.columbia.k12.mo.us/hhs/enrol/courses2001/offer0155.html
Extractions: 55 of 61 986 COMMERCIAL ELECTRICITY (Grades: 11-12 Credit: 3) Prerequisite: Completion of an assessment is required This course emphasizes safe, in-depth, hands-on training sufficient to prepare students for successful entry-level employment as electrical apprentices and maintenance personnel. Class work consists of lectures, lab exercises and on-the- job training sessions to develop skills in the following areas: 1) general safety, electrical safety, and power tool safety; 2) residential and commercial installations of electrical equipment, including receptacles, switches, fixtures, raceways, panels and service equipment, and multi-outlet, multi-wire branch circuits; 3) circuit design, blueprints, troubleshooting and testing of equipment with meters; and 4) extensive survey of national and local electrical safety codes. Essential trade skills are learned and practiced on numerous job sites outside the classroom. Complete wiring systems are installed in houses for Habitat for Humanity and for the Construction Technology program. There is currently a high demand for qualified electricians in the Columbia area and across the nation. This course prepares students for electrical licensing exams and
Prof. Lauterborn M. Sargent III, MO Scully, WW Lamb, Jr. Laser physics. Berlin 1980; EN Leith WhiteLightHolograms, Sci. 1994; BEA Saleh, MC Teich Fundamentals of photonics. http://www.physik3.gwdg.de/Personen/Lauterborn/Lehre/P-LaserphysikHolographie-Li
Extractions: engl. Ausgabe: Coherent Optics. Fundamentals and Applications. Springer-Verlag 1995 E. Hecht: Optik. Addison-Wesley, Bonn 1992 Lehrbuch der Experimentalphysik Bd. III, Optik. 9. Auflage, Walter de Gruyter, Berlin 1993 M. Born: Optik. Springer-Verlag 1972 (1932) M. Born, E. Wolf: Principles of Optics. Pergamon Press, Frankfurt 1975 L. Mandel, E. Wolf: Optical Coherence and Quantum Optics. Cambridge University Press, Cambridge 1995 M. Young: Optik, Laser, Wellenleiter. Springer-Verlag, Berlin 1997 J.W. Goodman (Hrsg.): International Trends in Optics. Academic Press, Boston 1991 E. Wolf (Ed.): Progress in Optics , Vol. 1ff. North-Holland Publ. Company, Amsterdam (Fortsetzungsserie) P. Hariharan:
Under Construction Translate this page Crystals, OSA Trends in Optics and photonics Volume 27 H. Malz, E. Krätzig, PersistentLight-Induced Absorption in E. Krätzig, Self-Fixation of holograms in a http://www.physik.uni-osnabrueck.de/elektrooptik/Forschungsbericht Projekt 1.htm
Extractions: Der lichtinduzierte Ladungstransport in elektrooptischen Kristallen Englischer Titel Light-Induced Charge Transport in Electrooptic Crystals Zuwendung erhaltende Einrichtung FB Physik - Elektrooptik Förderkennzeichen DFG, SFB C5 (Teil)-Fachgebiete (spezialized)areas Elektrooptik Beteiligte Mitarbeiter (Position) Leiter: Prof. Dr. E. Krätzig Mitarbeiter: Prof. Dr. K. Buse , Dr. K. Peithmann, Dr. St. Wevering, Dipl.-Phys.M. Flaspöhler, Ing. grad. J. Selinger Projektpartner(intern) Funktion Gruppen Kristallzüchtung (Dr. H. Hesse), Optische Spektroskopie (Prof. Dr. O. F. Schirmer, Prof. Dr. S. Kapphan) und Theoretische Optik (Prof. Dr. K. H. Ringhofer) im Fachbereich Physik Projektpartner(extern) Funktion Institut für Experimentelle Audiologie der Universität Münster. Kurzbeschreibung deutsch Die Optimierung photorefraktiver Kristalle für verschiedene Anwendungen (holographische Speicherung, optische Informationsverarbeitung, Echtzeit-Interferometrie, Phasenkonjugation usw.) erfordert detaillierte Kenntnisse des lichtinduzierten Ladungstransportes. In diesem Projekt werden mit Hilfe der experimentellen Ergebnisse Modelle entwickelt, die eine Optimierung photorefraktiver Eigenschaften erlauben. Kurzbeschreibung englisch The optimization of photorefractive crystals for various applications (holographic storage, optical information processing, real-time interferometry, phase conjugation etc.) requires detailed knowledge of the light-induced charge transport. With the help of experimental results, models are developed in order to optimize the photorefractive properties of the crystals.
PRO - EnLIGHTen - October, 1999 the laser, with its pure intense light, made the empirical knowledge in how to makeholograms, we don OCAD, the Photon League and PRO's photonics Facility may http://www.pro.on.ca/about_us/newsletters/newsletter_oct_99.htm
Extractions: Lasers in Holography Currents Many researchers and industry experts predict that in the next century light, and the optical technologies it has spawned, will result in incredible advances. Holography, which has evolved in keeping with developments in optical, computer and materials sciences, is touted as a technology poised for tremendous growth. Interestingly, following its initial development 30 years ago, the art community was one of the first groups to recognize holography's inherent potential for creativity, and has also led in the development of many new holographic techniques. Recently, commercial interest in a range of sectors has accelerated.
Extractions: What is CoolScience? CoolScience is fun and useful. CoolScience is exciting ! Example 1: Recycle Scrap Metal into Electricity Example 2: Storing summer's heat for winter ... Click for audio. the Pacific Islanders have an abundance of scrap metal, especially after a typhoon has wrecked havoc on their homeland. They also have very high electric rates or no electricity at all. The CoolScience solution: turn that scrap metal directly into electricity using the same galvanic action found in batteries by building and using home-made batteries that use scrap metal. As our CoolScientist told the Governor of Yap State, FSM, "The reason all these junked cars remain even several months after the recent devastating typhoon is that they are not made of gold. If they were, the people would have cleaned them up months ago. Through CoolScience
Welcome To Adobe GoLive 5 The tie was special threedimensional kinds of holograms. lower than those for usinglight in communications. of the Beckman Institute's photonics Systems Group http://pratt.duke.edu/Newsletter/Archives/Feb02/page4.html
Extractions: Brady, who is also a professor of electrical and computer engineering in the Pratt School of Engineering, wants to help the outside world get similarly connected to facts, ideas and places. His goal is on-demand availability of information, anywhere and anytime, through the power of technology and versatility of light. Photonics is a field that exploits the uses of light for communications. It already has spawned major industries, such as fiberoptic cables to convey light for telephone communications, and routers and switches to channel such optical signals in discrete bunches. Experts say its down-the-road potential will dwarf current applications.
From The ICO Golden Book to become the head of the photonics Switching Device on the nonclassical states oflight and the the properties of frequency multiplexed holograms, through the http://www.ico-optics.org/Goldenbook.html
Extractions: The ICO Prize has been established in 1982 and is presented annually to a person who has made a noteworthy contribution to Optics before reaching the age of 40. Every year, the ICO Prize Committee issues a call for nominations that is published in the ICO Newsletter. The recipients are listed below (the 1988 Prize was changed to 1989 in order to coincide with the year of the award). A graduate of Stanford University, J.R. Fienup is a research scientist with ERIM, Ann Arbor. The ICO Prize recognized his contribution to the field of image restoration, phase retrieval from amplitude data, and image estimation, including in particular iterative estimation algorithms applied to optical imaging, coherence, and remote sensing. S.I. Stepanov graduated from the M.I. Kalinin Polytechnical Institute in Leningrad. A Candidate in Physical-Mathematical Sciences, he is a senior research physicist at the A.F. Ioffe Physical Technical Institute of the Academy of Sciences of the USSR in Leningrad. The subject of his thesis was light diffraction in anisotropic media. His present interest relate to dynamic holography, the physics of photorefractive crystals, and diffraction phenomena in volume structures. 1986: Kensuke Ikeda, Japan
MIT Microphotonics Center Spring-Summer 2001 Seminars term goal is to incorporate volume holograms in micro nm EDFA pump sources and shedslight on to of Chemistry) photonics for Chemical Sensor Applications The http://web.mit.edu/mphotonics/www/semsp01.shtml
Extractions: Faculty Publications ... The Microphotonics Center sponsors a weekly seminar given on Thursdays, from 4-5 p.m., in Room on the MIT campus (Please note the room change from last semester!) The lectures are open to the public. The Summer 2001 schedule with abstracts is listed below. August 16 Dr. Richard Blaikie, visiting Fullbright Fellow Near Field Photolithography: Exploring the Resolution Limits of Patterning with Light" The resolution limits for conventional optical imaging systems are well known and well understood, but with the advent of near field microscopy these limits are no longer seen as being fundamentally insurmountable. The same ideas should apply to photolithography, the principal tool used for patterning integrated circuit structures. This offers the interesting possibility of developing high resolution, low cost photolithography processes by utilising the optical near field, rather than the conventional (and costly) approach of driving the exposure wavelength deeper and deeper into the ultraviolet. At the University of Canterbury we have been developing and studying near field photolithography techniques that utilise exposure from evanescent fields close to metallic amplitude masks. We have named our technique Evanescent Near Field Optical Lithography (ENFOL), although it is very similar to the Conformal Contact Lithography (CCL) technique developed and used at MIT for many years. Sub-diffraction-limited resolution has been achieved experimentally using ENFOL, and the theoretical resolution limits have been explored using vector electromagnetic near field simulations.
Extractions: AUTHOR TITLE YEAR ISBN Douglas C. Giancoli,Alison Reeves Physics for Scientists and Engineers 3rd Ed Sept 2000 Brian Greene The elegant universe: Superstrings March 2000 J. Robert Schrieffer The Theory of Superconductivity March 1999 John Boyd Ketterson,Shengnian Song Superconductivity Feb 1999 Theodore Van Duzer,Charles W. Turner Principles of Superconductive Devices and Circuits Dec 1998 Michael Tinkham Introduction to Superconductivity Oct 1995 Brian K. Tanner Electrons in solids April 1995 Richard Feynman Six Easy Pieces Peter Day Richard Catlow Candle Revisited: Essays on Science and Technology Aug 1994 (PB) Isaac Asimov Understanding Physics Lawrence Krauss The Physics of Star Trek James Gleick Chaos QUANTUM PHYSICS AND GRAVITY
