Abstract

A temperature-controlled tunable optical filter for use in the visible range and based on the Christiansen effect, in which the solid particles have been substituted with glass fibers, has been fabricated and tested. The construction of the filter and transmission properties are reported. For an operating temperature of 95 °C, the peak wavelength was 509.5 nm, with a peak transmission of 50.8% and a FWHM of 71 nm.

© 1995 Optical Society of America

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