A researcher in optical measurement whose work with Jeanne M. Houston establishes detector spectral responsivity. A detector’s electrical signal is compared with a calibrated reference while the illumination wavelength is varied; subtracting dark current and monitoring source changes separates optical response from instrumental offsets. The resulting calibration converts a measured current into optical power, with an explicit dependence on wavelength rather than a single sensitivity number.[ref]
Spectroradiometric Detector Measurements: Ultraviolet, Visible, and Near-Infrared Detectors for Spectral Power by Thomas C. Larason and others. §§3.2, 4.2 and 7.2: detector-comparison apparatus, spectral readout and measurement controls
Portrait of Thomas C. Larason
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