Abstract
The technique of tilting the Fabry-Perot type interference filters for the purpose of producing continuous displacements in their passband positions was investigated. The optical properties of interference filters with semitransparent silver films are discussed from the theoretical standpoint. The results are then compared with experiment. Based on the tilting technique, an interference filter fluorometer is proposed that is designed to obtain a variety of spectroscopic data under the experimentally adverse conditions of weak excitation and fluorescence.
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