The Role Of Fiber Optics In Mass Spectrometer Electro-Optical Ion Detection

David D. Norris; Charles E. Giffin

doi:10.1117/12.975719

23 July 1976 The Role Of Fiber Optics In Mass Spectrometer Electro-Optical Ion Detection

David D. Norris, Charles E. Giffin

Proceedings Volume 0077, Fibers and Integrated Optics; (1976) https://doi.org/10.1117/12.975719
Event: 1976 SPIE/SPSE Technical Symposium East, 1976, Reston, United States

Abstract

Today's mass spectrometers provide data to the researcher in two modes: (1) in the form of a photographic plate where line densities provide integrated ion abundances, and (2) in the form of a strip chart recording where peak intensities provide ion abundances during a mass versus time scan. Both types of data suffer from low sensitivity - the former due to the insensitivity of photographic emulsions to positive ions (104 ions required for a detectable line) and the latter from a low duty cycle due to spectral scanning (typically 10-2 - 10-4). This paper describes the development of an electro-optical ion detector combining the best features of photographic and electrical ion detection (i.e., wide mass range coverage and low ion detection threshold respectively). A nineteen fold fiber optic image dissector is discussed which reformats the 1 mm x 361 mm mass spectrometer focal plane format to a 19 mm x 19 mm format suitable for vidicon imaging and electronic display of the data.

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David D. Norris and Charles E. Giffin "The Role Of Fiber Optics In Mass Spectrometer Electro-Optical Ion Detection", Proc. SPIE 0077, Fibers and Integrated Optics, (23 July 1976); https://doi.org/10.1117/12.975719

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KEYWORDS

Ions

Fiber optics

Cameras

Spectroscopy

Sensors

Photography

Electro optics

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