Continuum source and a focusing technique for the 80-500-A spectral range - Improvements

Details Continuum source and a focusing technique for the 80-500-A spectral range - Improvements Continuum source and a focusing technique for the 80-500-A spectral range - Improvements

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apopt..14..996c&link_type=abstract

Applied Optics, vol. 14, Apr. 1975, p. 996-998.

Physics

Optics

19

Absorption Spectroscopy, Continuous Spectra, Focusing, Spectrographs, Ultraviolet Radiation, Astigmatism, Atomic Spectra, Background Radiation, Capacitance, Capillary Tubes, Electric Sparks, Mirrors, Radiation Sources

Scientific paper

The possibility of improving the performance of a triggered vacuum spark source for a grazing incidence spectrograph in the 500 down to 80 A range is investigated. A BRV source was modified by adding a capillary on top of the anode, increasing the condenser capacity by a factor of five, and employing a torroidal mirror focusing system to utilize the full spectrograph aperture and remove its astigmatism. The obtained results indicate a 200-fold gain over previously used sources and allow spectrographic recording with only one flash while maintaining good spectral resolution.

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