Optics in a research environment: spectroscopy as a teaching tool

Stephen H. Cobb; John T. Tarvin; Carol J. Baltimore

doi:10.1117/12.57877

1 March 1992 Optics in a research environment: spectroscopy as a teaching tool

Stephen H. Cobb, John T. Tarvin, Carol J. Baltimore

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Proceedings Volume 1603, Education in Optics; (1992) https://doi.org/10.1117/12.57877
Event: Education in Optics, 1991, Leningrad, Russian Federation

Abstract

A near-infrared reflectance spectrophotometer has been constructed and operated by a group of students with an interest in applied optics. The instrument was created by repairing and modifying a 25 year-old inoperative Cary 14 scanning spectrophotometer. Details of the modification are discussed. Students learn fundamentals of diffuse reflectance measurement, synchronous detection techniques, the use of optical instrumentation, and the physical origin of spectral features. The instrument is presently being used to measure the protein content of agricultural feeds, giving students the opportunity to develop calibration software for data analysis. Additional applications are discussed. Involved students range from college freshmen to graduate students. They, and the surrounding agricultural community, are being educated to the advantages of optical techniques as a method of nondestructive evaluation.

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Stephen H. Cobb, John T. Tarvin, and Carol J. Baltimore "Optics in a research environment: spectroscopy as a teaching tool", Proc. SPIE 1603, Education in Optics, (1 March 1992); https://doi.org/10.1117/12.57877

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KEYWORDS

Near infrared spectroscopy

Reflectivity

Agriculture

Calibration

Proteins

Dental caries

Sensors

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