1 August 2003 Axicon as a retroreflector in open-path Fourier transform infrared spectrometry
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Abstract
Ray-tracing analysis of a particular reflecting axicon, a right circular cone, for use as a retroreflector in active open-path Fourier-transform IR (OP/FT-IR) spectrometry, and the results of testing a 0.305-m aperture right circular cone using a commercial active OP/FT-IR spectrometer are presented. The ray-tracing model is based on the optical characteristics of a commercial single-telescope monostatic OP/FT-IR spectrometer and models the off-axis behavior normally encountered under practical field conditions during field use. Of practical concern are the trends for the diameter of the beam reflected from the retroreflector as a function of the path length between spectrometer and retroreflector and misalignment of the retroreflector with respect to the transmitted beam. Construction and the results of field-testing two smaller epoxy-composite axicons replicated from the 0.305-m master are presented.
© (2003) Society of Photo-Optical Instrumentation Engineers (SPIE)
Robert L. Richardson, Peter R. Griffiths, "Axicon as a retroreflector in open-path Fourier transform infrared spectrometry," Optical Engineering 42(8), (1 August 2003). https://doi.org/10.1117/1.1589756 . Submission:
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