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

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.

Citation Download Citation

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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