Photonics Dictionary Definitions, Abbreviations, Illustrations, Terms listing by the letter A (Items 1 thru 40)

advertisement
SIGN IN / REGISTER PHOTONICS.COM DIRECTORY HOME PHOTONICS DICTIONARY PHOTONICS HANDBOOK
Photonics Dictionary Return to Dictionary home There are 379 terms that begin with 'A' Currently displaying records 1 thru 40. You are in set 1 of 9 next set —> or select a set: 1 abaxial spherical aberration See oblique spherical... 2 Abbe condenser A two-lens combination designed by the physicist Ernst... 3 Abbe constant (also V-value or v-value). The constant of an optical... 4 Abbe illumination A form of illumination where the source is imaged directly... 5 Abbe prism A particular form of roof prism that can be used to invert... 6 Abbe refractometer An optical instrument used to measure the of index of... 7 Abbe sine condition See sine... 8 Abbe-Porro prism A compact version of the traditional Porro image-erecting... 9 aberration Deviation from what is normal, right or natural. In optics,... 10 aberration sensor An optical instrument with knife-edge scanning technology... 11 ablation See laser... 12 ablation threshold The point at which absorbed laser energy is sufficient to... 13 ablative photodecomposition The phenomenon whereby pulsed ultraviolet radiation is... 14 ablative wall flashlamp A high-brightness, short-duration source in which... 15 Abney effect The hue shift that results when purity and, consequently,... 16 abrasion mark Any scratch, dig or mark on an optical surface caused by... 17 abrasive A material such as silicon carbide, aluminum oxide, silica,... 18 abridged spectrophotometer An instrument used to measure transmission or reflection as... 19 absolute colorimetric A rendering intent that does not change colors from the... 20 absolute luminance threshold Lower limit of luminance necessary for vision. About 10 -2... 21 absolute magnification The magnification equal to the distance of distinct vision... 22 absolute purity threshold Least purity seen as different from... 23 absolute refractive index The refractive index of a medium in relation to that of a... 24 absolute temperature scale Thermodynamic temperature scale, named for Lord Kelvin... 25 absolute white A perfect diffuser that exists only as a concept, or a... 26 absorbance See absorptance; absorption... 27 absorbing wedge A strip or annulus of glass whose transmission varies... 28 absorptance Ratio of the absorbed radiant or luminous flux to the... 29 absorption The loss of light as it passes through a material,... 30 absorption band A region of the spectrum in which the absorption... 31 absorption coefficient An indicator of a material's internal absorptance. If the... 32 absorption hologram A hologram formed when the light of the illuminating beam... 33 absorption index The quantity of al/4pn, where a is the absorption... 34 absorption lens A lens designed to inhibit selected wavelengths from... 35 absorption line The narrowest range of wavelengths or frequency of radiant... 36 absorption meter A measuring device that uses a light-sensitive cell or... 37 absorption peak In the field of spectroscopy, the maximum wavelength of... 38 absorption spectrophotometer An optical instrument used to detect and measure the... 39 absorption spectroscopy A study of the energies and wavelengths of radiation... 40 absorption spectrum Also called spectral window of absorption. The spectrum... Currently displaying records 1 thru 40. You are in set 1 of 9 next set —> or select a set: Return to Dictionary home Click to view listings of terms Term of the moment... laser speckle - Sparkling granular pattern that is observed when an object diffusely reflects coincident laser light. Speckle appears as an irregularity in many holographs but has been exploited as a measurement technique. See also speckle metrology.	advertisement advertisement advertisement advertisement advertisement advertisement advertisement

PHOTONICS.COM DIRECTORY HOME SOCIETIES AND UNIVERSITIES ADVERTISING INFO CONTACT US PHOTONICS SPECTRA SUBSCRIPTIONS SITEMAP
Laurin Publishing provides comprehensive worldwide coverage of the photonics industry: optics, lasers, imaging, fiber optics, electro-optics, and photonic component manufacturing. © 1996-2009 Laurin Publishing. All rights reserved. Photonics.Com is Registered with the U.S. Patent & Trademark Office. Privacy Policy \| Terms and Conditions of Use Reproduction in whole or in part without permission is prohibited. webmaster@laurin.com