Holographic spectrometer for astronomy: design and experiments--initial laboratory results

Details Holographic spectrometer for astronomy: design and experiments--initial laboratory results Holographic spectrometer for astronomy: design and experiments--initial laboratory results

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.3010..201z&link_type=abstract

Proc. SPIE Vol. 3010, p. 201-206, Diffractive and Holographic Device Technologies and Applications IV, Ivan Cindrich; Sing H. Le

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In order to fulfill the need of high astronomical observation spectral resolution, we are developing a new stationary interferometric spectrometer: heterodyne holographic spectrometer (HHS). It utilizes the configuration of a Twyman- Green interferometer with two arms adjusted for zero path difference and with a plane diffraction grating replacing one of the arm mirrors. So, it combines the multi-advantages of traditional spectrometers: SGS and FTS (slit grating spectrometer and Fourier transform spectrometer), and avoids their disadvantages, especially in the observation with telescope. We get its experimental result in the laboratory and have a simple discussion on its application prospect in astronomy.

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