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Cryogenic tests of volume-phase holographic gratings : results at 100K.

By N. Tamura, D. J. Robertson, N. A. Dipper, R.M. Sharples and J.R. Allington-Smith

Abstract

We present results from cryogenic tests of volume-phase holographic (VPH) gratings at ∼100 K. The aims of these tests are to see whether the diffraction efficiency as a function of wavelength is significantly different at a low temperature from that at room temperature and to see how the performance of a VPH grating is affected by a number of thermal cycles. We have completed ten cycles between room temperature and 100 K and find no clear evidence that the diffraction efficiency changes with temperature or with a successive thermal cycle

Topics: Volume holographic gratings, Spectroscopy, Infrared.
Publisher: Optical Society of America
Year: 2006
DOI identifier: 10.1364/AO.45.005923
OAI identifier: oai:dro.dur.ac.uk.OAI2:2845
Journal:

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