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Proceedings Paper

Instrumentation to measure the near-IR spectrum of small fruits
Author(s): Holger M. Jaenisch; Abraham J. Niedzwiecki; John D. Cernosek; R. Barry Johnson; John S. Seeley; Gerald G. Dull; Richard G. Leffler
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Paper Abstract

The acousto-optic tunable filter (AOTF) was demonstrated to be an effective and economical means for implementing a compact ( field deployable ) near-infrared Acousto-Optical Spectrometer (AOS) for quality assessment of small fruits. The design and construction of this device including design limitations and problems are presented. The characterization of the AOTF and the AOS system design address the areas of radiation source selection optical alignment optical design signal detection computer control and system testing. This work confirmed the operating specifications and limitations of the AOTF as described by the manufacturer.

Paper Details

Date Published: 1 February 1991
PDF: 6 pages
Proc. SPIE 1379, Optics in Agriculture, (1 February 1991); doi: 10.1117/12.25087
Show Author Affiliations
Holger M. Jaenisch, Ctr. for Applied Optics/Univ. of Alabama in Huntsville (United States)
Abraham J. Niedzwiecki, Ctr. for Applied Optics/Univ. of Alabama in Huntsville (United States)
John D. Cernosek, Ctr. for Applied Optics/Univ. of Alabama in Huntsville (United States)
R. Barry Johnson, Ctr. for Applied Optics/Univ. of Alabama in Huntsville (United States)
John S. Seeley, Ctr. for Applied Optics/Univ. of Alabama in Huntsville (United States)
Gerald G. Dull, U.S. Dept. of Agriculture (United States)
Richard G. Leffler, U.S. Dept. of Agriculture (United States)


Published in SPIE Proceedings Vol. 1379:
Optics in Agriculture
James A. DeShazer; George E. Meyer, Editor(s)

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