VariSpec Liquid Crystal Tunable Filters  An illustrative sixstage Lyot filter design is shown here with the addition of LC cells which can be precisely controlled
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VariSpec Liquid Crystal Tunable Filters An illustrative sixstage Lyot filter design is shown here with the addition of LC cells which can be precisely controlled

Typical VariSpec filters utilize 12 or more stages enclosed within a rugged aluminum housing The product of each tunable stage results in a narrow range of wavelengths being transmitted The width of the passband is constant in terms of wavenumber bu

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VariSpec Liquid Crystal Tunable Filters An illustrative sixstage Lyot filter design is shown here with the addition of LC cells which can be precisely controlled




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Presentation on theme: "VariSpec Liquid Crystal Tunable Filters An illustrative sixstage Lyot filter design is shown here with the addition of LC cells which can be precisely controlled"— Presentation transcript:


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VariSpec Liquid Crystal Tunable Filters
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An illustrative six-stage Lyot filter design is shown here with the addition of LC cells which can be precisely controlled. Typical VariSpec filters utilize 12 or more stages enclosed within a rugged aluminum housing. The product of each tunable stage results in a narrow range of wavelengths being transmitted. The width of the passband is constant in terms of wavenumber, but varies in terms of wavelength such that a center wavelength selected closer to the blue will have a narrower passband width in nanometers than a

center wavelength selected closer to the red. 5RGEKECVKQPU