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The frequency comb technique is a very useful method to measure the frequency of lasers accurately. The authors proposed a new method that is simpler and can be used for both high and low repetition rate frequency combs without the help of a wavemeter. The method is a two-step process. The authors first obtain a rough estimate of N by changing the repetition rate fr. a small amount such that no mode...
We report a new method for high-precision refractive index measurement using a Michelson interferometer setup with frequency combs as the light source. The method has a sensitivity of 6.2times10-9 and a standard error of 7.4times10-8.
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