Infrared Calibration Equipment for the Cryogenically Cooled ISO Long Wavelength Spectrometer

P. F. Gray; R. J. Emery

doi:10.1117/12.969644

1 April 1990 Infrared Calibration Equipment for the Cryogenically Cooled ISO Long Wavelength Spectrometer

P. F. Gray, R. J. Emery

Proceedings Volume 1191, Optical Systems for Space and Defence; (1990) https://doi.org/10.1117/12.969644
Event: SIRA/Optical Systems for Space and Defence, 1989, London, United Kingdom

Abstract

The Long Wavelength Spectrometer is a focal plane instrument for the ESA Infrared Space Observatory, operating over the wavelength range 45 to 180 pm. To perform the alignment, testing and calibration of the spectrometer requires much of the telescope optics, instrument fixtures and temperature conditions to be replicated or simulated in the laboratory. In addition, facilities for achieving photometric and spectral calibration are required. A cost-effective solution to the problem is described here which involves a minimum size for the test cryostat.

Citation Download Citation

P. F. Gray and R. J. Emery "Infrared Calibration Equipment for the Cryogenically Cooled ISO Long Wavelength Spectrometer", Proc. SPIE 1191, Optical Systems for Space and Defence, (1 April 1990); https://doi.org/10.1117/12.969644

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