N. Tamura
Cryogenic Tests of Volume-Phase Holographic Gratings: I. Results at 200 K.
Tamura, N.; Murray, G.J.; Luke, P.; Blackburn, C.; Robertson, D.J.; Dipper, N.A.; Sharples, R.M.; Allington-Smith, J.R.
Authors
Graham Murray g.j.murray@durham.ac.uk
Senior Research Fellow
P. Luke
C. Blackburn
D.J. Robertson
N.A. Dipper
Professor Ray Sharples r.m.sharples@durham.ac.uk
Professor
J.R. Allington-Smith
Abstract
We present results from cryogenic tests of a Volume-Phase Holographic(VPH) grating at 200 K measured at near-infrared wavelengths. The aims of these tests were to see whether the diffraction efficiency and angular dispersion of a VPH grating are significantly different at a low temperature from those at a room temperature, and to see how many cooling and heating cycles the grating can withstand. We have completed 5 cycles between room temperature and 200 K, and find that the performance is nearly independent of temperature, at least over the temperature range which we are investigating. In future, we will not only try more cycles between these temperatures but also perform measurements at a much lower temperature (e.g., ∼80 K).
Citation
Tamura, N., Murray, G., Luke, P., Blackburn, C., Robertson, D., Dipper, N., …Allington-Smith, J. (2003). Cryogenic Tests of Volume-Phase Holographic Gratings: I. Results at 200 K. Experimental Astronomy, 15(1), 1-12. https://doi.org/10.1023/b%3Aexpa.0000028163.98901.d9
Journal Article Type | Article |
---|---|
Publication Date | 2003-02 |
Journal | Experimental Astronomy |
Print ISSN | 0922-6435 |
Electronic ISSN | 1572-9508 |
Publisher | Springer |
Volume | 15 |
Issue | 1 |
Pages | 1-12 |
DOI | https://doi.org/10.1023/b%3Aexpa.0000028163.98901.d9 |
Public URL | https://durham-repository.worktribe.com/output/1579301 |
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