New refractometer: toward an air wavelength reference
- 27 December 1996
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 3052, 64-71
- https://doi.org/10.1117/12.262961
Abstract
A new system, constituted of a double channel Fabry Perot etalon and laser diodes, is described and proposed to be used for air refractive index measurements. The principle of this refractometer is based only on frequencies measurements. It permits instantaneous measurements with a relative standard deviation in the range of 10-9. Some preliminary results on the stability of this systems are presented.Keywords
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