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Fabry Perot Etalons to suit your application

Optical Surfaces Ltd is a leading international supplier of 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. Recent advances in fabrication technique allow the creation of very precise tunable Fabry-Pérot interferometers.

Optical Surfaces Ltd manufactures Fabry Perot etalons in two basic forms - air-spaced or solid. Both types can be designed for use at customer-defined wavelengths within the range 190nm to about 2 microns.

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