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Proceedings Paper

Wide-range CCD spectrometer
Author(s): Elena A. Sokolova; Santiago D. Reyes Cortes
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Paper Abstract

The utilization of wide range spectrometers is a very important feature for the design of optical diagnostics. This paper describes an innovative approach, based on charged coupled device, which allows to analyze different spectral intervals with the same diffraction grating. The spectral interval is varied by changing the position of the entrance slit when the grating is stationary. The optical system can also include a spherical mirror. In this case the geometric position of the mirror is calculated aiming at compensating the first order astigmatism and the meridional coma of the grating. This device is planned to be used in Thomson scattering diagnostic of the TOKAMAK of Instituto Superior Tecnico, Lisbon (ISTTOK).

Paper Details

Date Published: 23 August 1996
PDF: 8 pages
Proc. SPIE 2774, Design and Engineering of Optical Systems, (23 August 1996); doi: 10.1117/12.246705
Show Author Affiliations
Elena A. Sokolova, Univ. da Beira Interior (Portugal)
Santiago D. Reyes Cortes, Univ. da Beira Interior (Portugal)


Published in SPIE Proceedings Vol. 2774:
Design and Engineering of Optical Systems
Joseph J. M. Braat, Editor(s)

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