Transportable broad-band-pass Fabry-Perot spectrometer for solar system observations

John Noto; Robert B. Kerr; Kolam Ng; Redgie S. Lancaster; Michael Dorin

doi:10.1117/12.60612

29 June 1992 A transportable, broad bandpass Fabry-Perot spectrometer for solar system observations

John Noto, Robert B. Kerr, Kolam Ng, Redgie S. Lancaster, Michael Dorin

Proceedings Volume 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing; (1992) https://doi.org/10.1117/12.60612
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

To take advantage of the large luminosity-resolution product of the Fabry-Perot interferometer used in tandem with modest aperture telescopes, a Fabry-Perot interferometer has been developed that is widely adaptable to a variety of extended source observations. The instrument is designed for adaptability across a range of optical and near infrared spectral lines from 550 nm to 1,100 nm, which are characterized by a wide range of velocity distributions of the emitting species. The system features twin etalon configuration to provide extended free spectral range and to enhance contrast when observations include bright reflected solar or twilight backgrounds. Although the optical path and all optical elements of the system are readily accessible, the instrument is ruggedized for transportability and extended remote field operation once optically configured. State-of-the-art, but proven detectors (GaAs photomultipliers, large charge coupled devices, and Ge-Nitride integrating detectors) are featured to optimize instrument sensitivity, and are modularly adaptable.

Citation Download Citation

John Noto, Robert B. Kerr, Kolam Ng, Redgie S. Lancaster, and Michael Dorin "A transportable, broad bandpass Fabry-Perot spectrometer for solar system observations", Proc. SPIE 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing, (29 June 1992); https://doi.org/10.1117/12.60612

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