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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 7, Iss. 11 — Nov. 1, 1968
  • pp: 2195–2199

Rapid Scanning Raman Spectroscopy

Michel Delhaye  »View Author Affiliations


Applied Optics, Vol. 7, Issue 11, pp. 2195-2199 (1968)
http://dx.doi.org/10.1364/AO.7.002195


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Abstract

Rapid scanning spectrometers have been designed and built that enable Raman spectra to be obtained in a very short time. The different techniques of laser excitation and photoelectric recording are compared: conventional scanning monochromators and photomultiplier detectors achieve oscillographic recording at spectral scanning speeds up to 1000 cm−1/sec; recent progress in photoelectrical devices permits simultaneous recording of the whole spectral region, by using image intensifier phototubes placed in the focal plane of high aperture grating spectrographs. With argon ion cw lasers, the Raman spectrum is usually recorded once every millisecond. With pulsed lasers, a high resolution spectrum is recorded for every pulse whose energy is in the 2–100-mJ region. Several examples of quickly evolving chemical reactions or instable species are given.

© 1968 Optical Society of America

History
Original Manuscript: June 28, 1968
Published: November 1, 1968

Citation
Michel Delhaye, "Rapid Scanning Raman Spectroscopy," Appl. Opt. 7, 2195-2199 (1968)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-7-11-2195

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