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Topic: Optics

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	Optics - MSN Encarta
		Optics, branch of physical science dealing with the propagation and behavior of light.
		In a general sense, light is that part of the electromagnetic spectrum that extends from X rays to microwaves and includes the radiant energy that produces the sensation of vision (see Electromagnetic Radiation; Energy; Spectrum; X Ray).
		In geometrical optics the wave theory of light is ignored and rays are traced through an optical system by applying the laws of reflection and refraction.
	encarta.msn.com /encyclopedia_761576625/Optics.html (1231 words)

	Optics - Wikipedia, the free encyclopedia
		Optics (appearance or look in ancient Greek) is a branch of physics that describes the behavior and properties of light and the interaction of light with matter.
		The field of optics usually describes the behavior of visible, infrared, and ultraviolet light; however because light is an electromagnetic wave, analogous phenomena occur in X-rays, microwaves, radio waves, and other forms of electromagnetic radiation.
		The "ray" in geometric optics is an abstract object which is perpendicular to the wavefronts of the actual optical waves.
	en.wikipedia.org /wiki/Optics (809 words)

	Raptor Optics - Patented for their ability to improve personal vision inside/outside and under extreme lighting ...
		Raptor Optics - Patented for their ability to improve personal vision inside/outside and under extreme lighting situations - day and night.
		Raptors are Multi - Functional Optics created for the diverse consumer, sport/athletic, yachting/boating, hunting/fishing, aviation, night-vision optics, military, and law enforcement marketplaces.
		They blend singular high performance optics with today's demanding contemporary styles and comply with stringent safety standards.
	www.raptoroptics.com (125 words)

	Optical Research Associates - A Gentle Introduction to Optical Design (Site not responding. Last check: 2007-10-09)
		Optics is concerned with all aspects of the behavior of light and thus covers a lot of territory.
		Optics can help us with these other wavelength regions, but most of our discussion here will focus on the important and familiar visible spectrum (i.e., the colors of the rainbow, from violet light with wavelengths near 400 nm [nanometer, one-billionth of a meter] to red light near 700 nm).
		The optics pages discuss a lot of basic optical concepts with a useful approach that is geared toward the importance of these concepts to the actual use of the optics.
	www.opticalres.com /gentle95.html (2987 words)

	Technorati Tag: optics (Site not responding. Last check: 2007-10-09)
		Optics from BigBinoculars.com Specializing in long-range and astronomical binoculars (50 mm and up) at down-to-earth prices.
		Armor - Advanced infantry optics and their future in armor January 1, 2005 — The past few years have seen the proliferation of advanced infantry...
		The interplay of quantum fluctuations with nonlinear dynamics is a central topic in the study of open quantum...
	www.technorati.com /tag/optics (490 words)

	Category:Optics - Wikipedia, the free encyclopedia
		Articles and media on this topic in other Wikimedia projects can be found at: Commons Category Optics
		Optics is the science of light and its interaction with matter.
		The main article for this category is Optics.
	en.wikipedia.org /wiki/Category:Optics (123 words)

	Optical Research Associates - Optics for Kids
		OSA (Optical Society of America) has a great educational web site that is also called "Optics for Kids." This site has a colorful, graphics-rich interface and provides many fun and educational features including articles, experiments, and lesson plans (http://www.opticsforkids.org/teach/teach.cfm) arranged by grade level.
		The "What is Optics?" (http://www.opticsforkids.org/what/what.cfm) section covers many of the subjects discussed here, but in greater detail.
		This site by Bill Williams is a very broad view of the history of light and lighting, starting with the birth of the sun over 4 billion years ago and including references to optics, stage lighting, various types of lamps, and key people in the history of light and lighting.
	www.opticalres.com /kidoptx_f.html (2297 words)

	Amazon.com: Optics: Books: Eugene Hecht,Alfred Zajac (Site not responding. Last check: 2007-10-09)
		The treatment of geometric optics is suitable because the subject is all but obsolete in our age of lens design software and an engineer really needs only moderate knowledge of the third order theory equations and more of an understanding of what aberrations are and why apertures help etc.
		For starters, the necessary information for a full treatment of Fourier optics is spread out over three chapters (7,11 and 14 if memory serves me) and the meaning of the transform and all of the little tricks that can be done with it is all but completely lost.
		Fourier optics is a losely defined subject as it is and with Hecht's treatment, it comes off as a bunch of unrelated phenomena.
	www.amazon.com /Optics-Eugene-Hecht/dp/0201838877 (1811 words)

	Optics (Site not responding. Last check: 2007-10-09)
		The NORMAL is a line of reference that is perpendicular to the surface of the optic at the point of reference.
		is that branch of optics dealing with the tracing of ray paths through optical systems.
		In the case of Mirrored optics, the options are fewer, and more costly.
	www.williamson-labs.com /optical-body.htm (2062 words)

	University of Rochester: The Institute of Optics
		The M.S. degree can be completed in nine months by electing the coursework-only option, which requires a total of eight courses and an exam.
		At the present time, those with an M.S. degree in Optics are being eagerly recruited by industry.
		The number of job and career opportunities available is significantly greater than the number of M.S. degrees we grant each year.
	www.optics.rochester.edu /academic_programs/ms/ms_program.html (143 words)

	AnchorOptics.com - Supplies affordable, quality commercial grade and experimental grade optics
		Anchor Optics is a division of the Edmund Optics Company.
		Commercial Grade optics are Anchor’s top-of-the-line optics, which are suitable for production and prototyping applications.
		Commercial Grade optics have standard designs and are available on an ongoing basis.
	www.anchoroptics.com (209 words)

	Optical Research Associates - Optics for Kids (Site not responding. Last check: 2007-10-09)
		You need to have four or more years of college to be an engineer or scientist (most scientists and many engineers go to graduate school after college to increase their knowledge and get advanced degrees).
		Optics (optical science) and optical engineering are specialized but very useful and interesting fields, though there are many, many other areas too.
		This 1999 site by Bill Williams is a very broad view of the history of light and lighting, starting with the birth of the sun over 4 billion years ago and including references to optics, stage lighting, various types of lamps, and key people in the history of light and lighting.
	www.opticalres.com /kidoptx.html (2346 words)

	HubbleSite - The Telescope - Nuts & Bolts - Optics
		If Hubble's primary mirror were scaled up to the diameter of the Earth, the biggest bump would be only six inches tall.
		Shortly after Hubble's deployment in 1990, scientists found that the curve to which the primary mirror was ground was incorrect, causing "spherical aberration." Fortunately, corrective optics were able to solve this problem.
		Hubble's mirrors are made of ultra-low expansion glass and kept at a nearly constant room temperature (about 70 degrees Fahrenheit) to avoid warping.
	hubblesite.org /the_telescope/nuts_.and._bolts/optics (332 words)

	Light and Optics: online meteorology guide
		As sunlight (or moonlight) enters the atmosphere, it is either absorbed, reflected, scattered, refracted or diffracted by atmospheric particles or air molecules.
		For this reason, the optical effects discussed in this module have been grouped according to the following classifications of atmospheric particles: air, dust and haze, ice crystals, and water droplets.
		The navigation menu (left) for this module is called "Light, Optics" and the menu items are arranged in a recommended sequence, beginning with this introduction.
	ww2010.atmos.uiuc.edu /(Gh)/guides/mtr/opt/home.rxml (293 words)

	The Fundamentals of Optics
		Physical optics is concerned with the creation, nature, and properties of light.
		Psychological optics pertains to the role of light in vision.
		Geometrical optics deals with the properties of reflection and refraction of light, as part of the study of mirrors, lenses, and optical fibers.
	www.play-hookey.com /optics (387 words)

	Light & Optics [encyclopedia] (Site not responding. Last check: 2007-10-09)
		The confusion over the operation of the eye was finally resolved through experiments performed by the Egyptian scientist Ibn Al Haythen, known in Europe as "Alhazen", in the Middle Ages.
		However, the modern understanding of optics did not begin until the 17th century, as researchers began to determine the precise rules of reflection and refraction, leading to the introduction of optical equipment, such as telescopes, microscopes, and eye-glasses.
		Relativistic physics is discussed in a companion document to this one, and a companion document on quantum physics is being planned.
	www.kosmoi.com /Science/Physics/Optics (5634 words)

	Birding Optics: Binoculars and Scopes
		See their article on the "Ten Myths of Birding Optics" in the September, 2006 issue of Bird Watcher's Digest.
		In each survey, a team of Iowa birders helped by trying out the optics and contributing their considered opinions.
		Warranties on Binoculars (2000) with the results of our informal survey of how well various manufacturers treated binocular owners when they sent their optics in for repair.
	www.birdwatching.com /optics.html (595 words)

	Open Directory - Science: Physics: Optics (Site not responding. Last check: 2007-10-09)
		International Commission for Optics - Contributes on an international basis to the progress and diffusion of knowledge in optics.
		Optics.net - Photonics and Optics Portal - Optics, lasers, fiber and photonics technical directory and community with research and development, employment and business forums.
		Sofia University OSA Student Chapter - Chapter of the Optical Society of America at Sofia University, Bulgaria, established to promote the Science of Light among the students and to broaden their insight for post-graduate career.
	dmoz.org /Science/Physics/Optics (444 words)

	Ocean Optics Home
		Since the beginning, our vision has been to expand the frontiers of optical sensing and to make it the foundation on which innovative, life-changing ideas are built.
		Ocean Optics will continue to provide new innovations to its customers in the years to come.
		Ocean Optics is part of the multinational Halma Group of safety and detection companies.
	www.oceanoptics.com (425 words)

	Amazon.co.uk: Optics: Books (Site not responding. Last check: 2007-10-09)
		Accurate, authoritative, and comprehensive, Optics, Fourth Edition has been revised to provide students with the most up-to-date coverage of optics.
		This book is an absolute must for all students studying Optics at University level.
		I came across Hecths books on optics when I was working with my college, dr. Waage Skrýmslið, on a phenomenon known as Hornarfjarðarljósbjögun (a.k.a.
	www.amazon.co.uk /exec/obidos/ASIN/0805385665 (899 words)

	The Math Forum - Math Library - Optics (Site not responding. Last check: 2007-10-09)
		A short article designed to provide an introduction to optics, electromagnetic theory: the study of the propagation and evolution of electromagnetic waves, including topics of interference and diffraction.
		Material relating to Sir William Rowan Hamilton, including his letters and papers describing mathematical optics and conical refraction, dynamics, the theory of algebraic couples (complex numbers), the theory of equations, and quaternions; a memorial...more>>
		The Math Forum is a research and educational enterprise of the Drexel School of Education.
	mathforum.org /library/topics/optics (1049 words)

	Optics InfoBase
		May 30 2007 : Visit the JOSA 90th Anniversary page with 50 top-cited articles.
		May 17 2007 : Virtual Journal for Biomedical Optics, Vol.
		Apr 20 2007 : Optics Letters now publishes papers to the E-first page.
	www.opticsinfobase.org (49 words)

	Home \| CO2 Laser Optics and Beam Delivery equipment from ULO Optics
		To sign up for the list, log in or register as a user of the ULO Optics website.
		For over 25 years ULO Optics has manufactured premium CO2 laser optics and CO2 laser beam delivery systems for industrial, medical and scientific markets.
		In addition to our broad range of stocked standard CO2 replacement laser optics and beam delivery components, ULO Optics manufactures custom infrared optics for a wide range of OEM applications.
	www.ulooptics.com (210 words)

	Lasers, optics and photonics resources and news - optics.org
		Melles Griot Optics Group Adds to Absolute™ Fizeau Family of Interferometer Test Optics
		Become a member of optics.org to read our exclusive news reports and in-depth analysis of the optics industry.
		Our science and technology journalists offer a unique insight into the news of the day by talking to the people who matter…so make sure you sign up today.
	optics.org (403 words)

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