Optical Design And Performance Of A Dual-Grating, Direct-Reading Spectrograph For Spectrochemical Analyses

David W. Steinhaus; John V. Kline; Thomas M. Bieniewski; Grove S. Dow; Charles T. Apel

doi:10.1117/12.957788

13 November 1980 Optical Design And Performance Of A Dual-Grating, Direct-Reading Spectrograph For Spectrochemical Analyses

David W. Steinhaus, John V. Kline, Thomas M. Bieniewski, Grove S. Dow, Charles T. Apel

Author Affiliations +

Proceedings Volume 0190, Los Alamos Conference on Optics 1979; (1980) https://doi.org/10.1117/12.957788
Event: Los Alamos Conference on Optics '79, 1979, Los Alamos, United States

Abstract

An all-mirror optical system is used to direct the light from a variety of spectroscopic sources to two 2-m spectrographs that are placed on either side of a sturdy vertical mounting plate. The gratings were chosen so that the first spectrograph covers the ultraviolet spectral region, and the second spectrograph covers the ultraviolet, visible, and near-infrared regions. With the over 2.5 m of focal curves, each ultraviolet line is available at more than one place. Thus, problems with close lines can be overcome. The signals from a possible maximum of 256 photoelectric detectors go to a small computer for reading and calculation of the element abundances. To our knowledge, no other direct-reading spectrograph has more than about 100 fixed detectors. With an inductively-coupled-plasma source, our calibration curves, and detection limits, are similar to those of other workers using a direct-reading spectrograph.

Citation Download Citation

David W. Steinhaus, John V. Kline, Thomas M. Bieniewski, Grove S. Dow, and Charles T. Apel "Optical Design And Performance Of A Dual-Grating, Direct-Reading Spectrograph For Spectrochemical Analyses", Proc. SPIE 0190, Los Alamos Conference on Optics 1979, (13 November 1980); https://doi.org/10.1117/12.957788

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