NASA NTRS · 19990004150
Temperature Tunable Air-Gap Etalon Filter
Abstract
We report on experimental measurements of a temperature tuned air-gap etalon filter. The filter exhibits temperature dependent wavelength tuning of 54 pm/C. It has a nominal center wavelength of 532 nm. The etalon filter has a 27 pm optical bandpass and 600 pm free spectral range (finesse approximately 22). The experimental results are in close agreement with etalon theory.
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Krainak, Michael A., Stephen, Mark A., Lunt, David L.. 1998-01-01. Temperature Tunable Air-Gap Etalon Filter. https://ntrs.nasa.gov/citations/19990004150
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