Deviated-plane varied-line-space grating spectrograph

Jerry Edelstein

doi:10.1117/12.49411

1 October 1991 Deviated-plane varied-line-space grating spectrograph

Jerry Edelstein

Proceedings Volume 1545, International Conference on the Application and Theory of Periodic Structures; (1991) https://doi.org/10.1117/12.49411
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

The limit of resolution for the planar varied line-space grating in a converging beam can be found by analyses of the optical path errors. The errors may be canceled by slight deviations of the planar substrate surface. The cancellation of the path errors leads to a markedly improved spectral resolution. The surface figure for an improved resolution deviated planar varied line-space grating spectrograph is shown. Ray-tracing of this improved spectrograph shows substantial gains in spectral performance.

Citation Download Citation

Jerry Edelstein "Deviated-plane varied-line-space grating spectrograph", Proc. SPIE 1545, International Conference on the Application and Theory of Periodic Structures, (1 October 1991); https://doi.org/10.1117/12.49411

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