A simple wavemeter with crossed dispersion |
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Authors: | T Krustev A Kebedjiev |
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Abstract: | A simple wavemeter has been developed by crossing the dispersions of a conventional monochromator and a Fabry-Perot interferometer. The interference pattern is scanned by a linear image sensor and processed by a microcomputer to determine the wavelength of cw laser sources with a better than 0.02 Å accuracy even when the sources have more than one spectral peak. |
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Keywords: | wavemeters monochromators interferometers |
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