Abstract

The output and transmission characteristics of both single and double (tandem) integrating spheres have been studied with a lead-salt diode laser in the 2000-cm⁻¹ spectral region. For an f/20 input beam, the effective length is about eight times the diameter of the sphere. The corresponding transmittance is ∼10⁻⁵ for the tandem spheres. The output beam has a Gaussian profile.

© 1980 Optical Society of America

Absolute line strengths in ν₄,¹²CH₄: a dual-beam diode laser spectrometer with sweep integration

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Appl. Opt. 19(16) 2695-2700 (1980)

Sensitivity limits of a tunable diode laser spectrometer, with application to the detection of NO₂ at the 100-ppt level

J. Reid, M. El-Sherbiny, B. K. Garside, and E. A. Ballik
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Long-term temporal and scanning characteristics of a double-beam diode-laser spectrometer

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Appl. Opt. 19(3) 409-419 (1980)