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2 July 2019 Lab-based radiometric concepts for undergraduate and graduate students
Emmett J. Ientilucci
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Proceedings Volume 11143, Fifteenth Conference on Education and Training in Optics and Photonics: ETOP 2019; 111432E (2019) https://doi.org/10.1117/12.2523868
Event: Fifteenth Conference on Education and Training in Optics and Photonics: ETOP 2019, 2019, Quebec City, Quebec, Canada
Abstract
Radiometry is formally defined as the science of characterizing or measuring how much electromagnetic energy is present at, or associated with, some location or direction in space. It involves the measurement and quantification of optical flux. It has evolved separately in the fields of physics, illumination or vision, and engineering, and as a result a host of terms are used to describe various radiometric concepts. Over the years there have been various texts on the subject to help demystify some of these concepts with less emphasis on “practical" radiometry (i.e., meaning laboratory examples). At the Rochester Institute of Technology (RIT), an entire course has been devoted to the subject along with a dozen or so hands-on laboratory exercises. This paper will discuss our approach to the dissemination of “practical" radiometry through exercises that talk about construction of radiometers, inverse square law, radiometric and spectral calibration (of a spectrometer), diffraction gratings, blackbodies and sources, spectral transmission and reflectance measurements, detector spectral responsivity measurements, transfer calibration, and more.
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Emmett J. Ientilucci "Lab-based radiometric concepts for undergraduate and graduate students", Proc. SPIE 11143, Fifteenth Conference on Education and Training in Optics and Photonics: ETOP 2019, 111432E (2 July 2019); https://doi.org/10.1117/12.2523868
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KEYWORDS
Calibration
Radiometry
Sensors
Spectroscopy
Photodiodes
Spectral calibration
Diffraction gratings
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