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Lumencor Inc. - Power of Light 4-24 LB
Paris Dictionary Terms

dichroscopic eyepiece
An eyepiece used in a polariscope or polarizing microscope to give a comparison view of the same object under illumination by the two complementary rays of polarized light.
fluoroscope
An instrument used to detect the fluorescence emitted by a source in comparison with a reference.
image subtraction
A method used to compare two pictures of the same subject taken at different times. See image comparison.
surface quality
The specification of allowable flaws in a surface by comparison to reference standards of quality. Two graded sets of...
image comparison
A method used in imaging to detect subtle differences between two apparently similar pictures. It can be achieved by...
metrology
Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement,...
biometrics
Biometrics refers to the automated recognition of individuals based on their physiological or behavioral characteristics....
cascade method
A heterochromatic photometric process using successive comparison of similar chromaticities and the calculation of relative...
photometric cube
A prism used in a photometer for the adjacent comparison of separate luminance.
comparison spectrum
In analysis, a reference spectrum, having predetermined wavelengths, that is used to determine the wavelengths of another...
double-exposure holography
The formation of an interferogram by means of two holograms on the same recording medium, often used for determining small...
two-photon excited fluorescence
Two-photon excited fluorescence (TPEF) is a nonlinear optical method that allows imaging of biological cells and living...
optical clock
An optical clock is a highly precise and advanced timekeeping device that relies on the oscillations of electromagnetic...
wedge photometer
A photometer that uses a wedge, marked to show its reduction of flux density, to make two light sources equal in intensity...
microspectroscope
A system composed of a prism spectroscope and compound microscope to provide the visual comparison of two spectra...
surface quality standards
The standards of MIL-O-13830 set by the US government relative to tolerable surface scratches and other such defects in an...
Glan spectrophotometer
A device similar to the ordinary spectrophotometer but containing particular modifications to provide for the comparison of...
heterochromatic photometry
Light measurement by comparison of the luminances of unlike chromaticities.
Dobson spectrophotometer
A spectrophotometer that measures the amount of ozone in the atmosphere through a comparison of solar energy at two...
comparator-densitometer
A device used to project a reference spectrum next to a spectrum to be analyzed to provide visual comparison.
comparison spectroscope
A device used for the comparison of spectra used, in turn, for the comparison of elements, such as the absorption lines in...
comparison lamp
A reference incandescent light source having a luminous intensity that is used in photometry for comparison of other light...
comparison microscope
Two microscopes that are coupled on a common stand, the two images being projected side by side in the field of view of a...
atmospheric absorption line parameters compilation
Compilation of the Air Force Cambridge Research Laboratories that contains values of the line parameters of the 1-0 bands of...
visual photometer
A photometer that permits visual comparison of the luminance of two surfaces.

(25 results found)

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