A liquid-helium-cooled grating spectrometer for far infrared astronomical observations

Details A liquid-helium-cooled grating spectrometer for far infrared astronomical observations A liquid-helium-cooled grating spectrometer for far infrared astronomical observations

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91..140h&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 91, Feb.-Mar. 1979, p. 140-142.

Astronomy and Astrophysics

Astronomy

15

Astronomical Spectroscopy, Infrared Astronomy, Infrared Spectrometers, Liquid Helium, Far Infrared Radiation, Field Effect Transistors, Line Spectra, Liquid Cooling, Preamplifiers, Spectral Resolution

Scientific paper

A liquid-helium-cooled grating spectrometer has been developed for low-resolution far-infrared spectrometric measurements of astronomical sources conducted by the 30-cm NASA Lear Jet telescope. Simple MOSFET coupled transimpedance preamplifiers were adopted for the spectrometer design. The infrared spectrometer has resolving powers from 10 to 150 over the wavelength range from 45 to 115 microns.

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