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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 10, Iss. 1 — Jan. 1, 1971
  • pp: 46–50

A Simple Double Beam Accessory for Absorption Spectroscopy

K. Leutwein  »View Author Affiliations


Applied Optics, Vol. 10, Issue 1, pp. 46-50 (1971)
http://dx.doi.org/10.1364/AO.10.000046


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Abstract

A system is described which modifies a scanning spectrometer for the visible and the near ir in a simple manner for double beam operation, particularly for use with small samples. The apparatus utilizes a split pupil of a collimator in conjunction with a rotating sector to separate the two partial beams. The operation of the modulator and the electronic circuitry are discussed in detail. The system offers the advantage of simple construction with a high degree of compensation of the optical path lengths, and particularly, with close proximity of probe and reference specimen.

© 1971 Optical Society of America

History
Original Manuscript: September 28, 1970
Published: January 1, 1971

Citation
K. Leutwein, "A Simple Double Beam Accessory for Absorption Spectroscopy," Appl. Opt. 10, 46-50 (1971)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-10-1-46

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