Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1996-02-14
1998-09-01
McGraw, Vincent P.
Optics: measuring and testing
By particle light scattering
With photocell detection
356 731, 356352, G01J 326
Patent
active
058018301
ABSTRACT:
Apparatus and associated methods of detecting optical carriers and measuring characteristics thereof provide optical carrier wavelength determination and measurement of other characteristics with improved precision. In a preferred embodiment, a method of detecting optical carrier wavelengths utilizes a controller to direct a stabilization circuit to adjust an optical filter to sample selected wavelength portions of an optical spectrum. The controller then evaluates the samples' intensities and directs the stabilization circuit to adjust the filter to sample other selected wavelength portions of the spectrum based upon the results of the evaluation.
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A page from an unidentified trade journal showing a device called the "Optical spectrum Analyzer".
Two pages from a data sheet published by Wandel & Golterman showing a device called the "Optical Spectral Analyzer".
Hughes John M.
Seago James D.
McGraw Vincent P.
Wavelinq, Inc.
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