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Perkins Precision Developments - Plate Polarizers LB 4/24
interferogram Dictionary Terms

interferography
The method by which interferograms are produced.
interphako interference microscopy
Measures the refractive indices axially from the fiber profile. Microscopy technique provides an interferogram with high...
film thickness gauge
An interferometer spectrometer designed to measure thicknesses of thin films or layers by recording the interferogram and by...
equidensities
1. A contour map of a photographic deposit consisting of lines and curves that join points of equal density. 2. The...
holographic interferogram
The three-dimensional interference pattern of fringes that is recorded on a holographic plate to facilitate the study of a...
centerburst
In an interferogram, an intense portion of the recording that corresponds in size to the amount of infrared radiation...
differential interferometer
A device that produces an interferogram that can be directly related to the temperature gradient and thereby provides a...
double-exposure holography
The formation of an interferogram by means of two holograms on the same recording medium, often used for determining small...
lens testing equipment
Lens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance,...
coadding
A method of improving the signal-to-noise ratio of an interferogram by adding another interferogram to it.
FTIR spectrometer
FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...
interferogram
A photographic or electronic recording of an optical interference pattern.

(12 results found)

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