Dispersion error of a beam splitter cube in white-light spectral interferometry
نویسندگان
چکیده
منابع مشابه
Dispersion measurements with white-light interferometry
White-light interferograms provide a simple, accurate, and physically intuitive picture of what happens to broadband optical pulses on transmission through, or reflection from, common optical materials. Quantitative measurement of group delay are made with an accuracy of 60.1 fs and with high spectral resolution. This measurement accuracy is applied to the determination of d2nydl2 and d3nydl3 o...
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Using a Michelson white-light interferometer, we measure the group-delay dispersion and third-order dispersion coefficients, d2(phi)/d(omega)2 and d3(phi)/d(omega)3, of chromium-doped forsterite (Cr:Mg2SiO4) over wavelengths of 1050-1600 nm for light polarized along both the c and b crystal axes. In this interval, the second-order dispersion for the c axis ranges from 35 fs2/mm to -14 fs2/mm, a...
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This paper presents a high speed surface profile optical measurement technique based on white light spectral interferometry and parallel signal processing using a general purpose graphic processing unit (GPGPU). A white light source is used to acquire the surface profile of the sample instantly in real time through a cylindrical Michelson interferometer. The interference signals are resolved by...
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Interferometer Setup The Twyman–Green interferometer (Figure 1) is a special configuration of the well-known Michelson interferometer with optics that superimpose the images of the object and the reference planes. Polytec engineers use this interferometer and place a CCD image sensor like those used for digital photography at the point where the two images are superimposed. A broadband “white-l...
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ژورنال
عنوان ژورنال: Opto-Electronics Review
سال: 2008
ISSN: 1896-3757
DOI: 10.2478/s11772-008-0040-1