Compact holographic imaging spectrograph for process control applications

David E. Battey; Joseph B. Slater

doi:10.1117/12.166295

31 December 1993 Compact holographic imaging spectrograph for process control applications

David E. Battey, Joseph B. Slater

Author Affiliations +

Proceedings Volume 2069, Optical Methods for Chemical Process Control; (1993) https://doi.org/10.1117/12.166295
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

A novel spectrograph configuration, ideally suited for process control applications, is discussed. The configuration, referred to as axial transmissive, consists of axially-symmetric refractive optics and a volume phase holographic transmission grating. The axial transmissive spectrograph is very compact and robust, featuring no moving optical elements. This configuration also results in very high spatial resolution, allowing a large number of different processes to be monitored simultaneously on a single 2-D array detector. Results are presented for experiments, performed using the axial transmissive spectrograph with a laser, fiber optic sampling, and a multi-channel CCD detector, that are representative of process control applications.

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David E. Battey and Joseph B. Slater "Compact holographic imaging spectrograph for process control applications", Proc. SPIE 2069, Optical Methods for Chemical Process Control, (31 December 1993); https://doi.org/10.1117/12.166295

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