From Event: SPIE Optical Engineering + Applications, 2016
We report on the design and demonstration of a CubeSat-scale spatial heterodyne spectrometer suitable for high-resolution imaging of molecular bands against the earth surface or limb. The demonstration instrument is tuned to a methane absorption band at 1637-1657 nm. The spectral resolution of 0.13 nm is sufficient to resolve individual methane lines, intervening CO2 absorption, and background scattering. The all-transmissive design utilizes volume holographic gratings for high optical efficiency.
Alan B. Marchant, "Design and demonstration of a CubeSat-scale spatial heterodyne imaging spectrometer," Proc. SPIE 9978, CubeSats and NanoSats for Remote Sensing, 997809 (Presented at SPIE Optical Engineering + Applications: August 31, 2016; Published: 19 September 2016); https://doi.org/10.1117/12.2236724.
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