National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Generation of exact lengths by the use of optical comb
Šmíd, Radek
We present a method genaration of precise length using optical frequency comb stabilized to atomic reference clock. Optical frequency comb are able to tranfer the exact time stability from atomic clock reference to optical path measurement. We used Fabry-Perot cavity with ultra-low expansion material placed into the vacuum chamber. The exact length of Fabry-Perot cavity in vacuum is used as a reference for measurement of refractive index of ambient air.

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