Inclination shift signal: thickness or index measurement in transparent media by transmission of generally astigmatic Gaussian beams
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DOI: 10.1016/j.optlaseng.2020.106480
Abstract: Abstract The focus error signal is a widespread optical technique that harnesses the shape of a simply astigmatic Gaussian beam to produce an output signal with a well-defined linear range used for many different applications.… read more here.
Keywords: index; gaussian beams; astigmatic gaussian; inclination shift ... See more keywords