Fabry-Perot Etalons

Optical Surfaces Ltd (Surrey, UK) can supply Fabry-Perot etalons in a range of shapes and sizes up to 150mm in diameter with matching accuracies to lambda/300. Etalons are widely used in telecommunications, lasers and spectroscopic applications to measure the wavelength of light. Fabry Perot etalons are available from Optical Surfaces Ltd in two basic forms - air- spaced or solid. Designed for use at customer-defined wavelengths within the range 190nm to about 2 microns, they are supplied with wedge angles of 5 min of arc for smaller diameters, rising in steps to a wedge angle of 40 min of arc for diameters greater than 70mm.

www.optisurf.com 

NASA Tech Briefs Magazine

This article first appeared in the October, 2011 issue of NASA Tech Briefs Magazine.

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