Ultraviolet conical diffraction - A near-stigmatic tandem grating mounting spectrometer

Details Ultraviolet conical diffraction - A near-stigmatic tandem grating mounting spectrometer Ultraviolet conical diffraction - A near-stigmatic tandem grating mounting spectrometer

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apopt..30.1294l&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 30, April 1, 1991, p. 1294-1302.

Physics

Optics

1

Diffraction Patterns, Gratings (Spectra), Grazing Incidence, Spectral Resolution, Ultraviolet Spectrometers, Aberration, Extreme Ultraviolet Radiation, Imaging Techniques, Telescopes

Scientific paper

A tandem conical diffraction mount for UV and EUV operation is proposed which improves spectral resolution and virtually eliminates monochromatic slit-image rotation, thereby improving spectral image quality. Attention is given to the illustrative example of a complete solar telescope-spectrometer instrumentation; a comparison is made of the spectral and angular resolution qualities and lower-efficiency limits of the mountings with other, recently developed solar instrumentations for the 30-135 nm bandpass. As expected, however, the equivalent efficiency of the present instrument is lower than that of the alternatives with which it is compared.

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