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Title: Optical Power Measurements At The National Institute Of Standards And Technology
Author: Thomas R. Scott
Source: 1989 Measurement Science Conference
Year Published: 1989
Abstract: The measurement of optical laser power and energy at wavelengths and power levels of interest in fiber optics at the National Institute of Standards and Technology (NIST) is based upon a standard reference instrument called the C-series calorimeter. The C-series calorimeter is a national reference standard for measuring absolute energy or power of cw laser sources over a wide range of wavelengths. Various infrared laser sources and a calibrated beamsplitter measurement system are used to compare an electrically calibrated pyroelectric radiometer (ECPR) to the Cseries calorimeter. The calibrated ECPR is then used as a laboratory standard for the calibration of optical power meters at approximate wavelengths of 850, 1300, and 1550 nm. The measurement of optical power at NIST will

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