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Author: thomas larason

Displaying records 21 to 30 of 39 records.
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21. The New Ultraviolet Spectral Responsivity Scale Based on Cryogenic Radiometry at Synchrotron Ultraviolet Radiation Facility III
Published: 5/1/2001
Authors: Ping-Shine Shaw, Thomas C Larason, R Gupta, Steven W Brown, Robert Edward Vest, Keith R Lykke
Abstract: The recently completed upgrade of the Synchrotron Ultraviolet Radiation Facility (SURF III) at the National Institute of Standards and Technology (NIST) has improved the accuracy of radiometric measurements over a broad spectral range from the infrar ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841478

22. Responsivity calibration methods for 365 nm irradiance meters
Published: 4/1/2001
Authors: Thomas C Larason, Steven W Brown, George P Eppeldauer, Keith R Lykke
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104592

23. Absolute Radiometric Calibration of Digital Imaging Systems, ed. by M.M. Blouke, J. Canosa, N. Sampat
Published: 1/1/2001
Authors: Steven W Brown, Thomas C Larason, C Habauzit, George P Eppeldauer, Yoshihiro Ohno, Keith R Lykke
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104338

24. Avoiding Errors in UV Radiation Measurements
Published: 1/1/2001
Author: Thomas C Larason
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104589

25. Method of Measuring Shunt Resistance of Photodiodes
Published: 1/1/2001
Authors: P R Thompson, Thomas C Larason
Abstract: A method of measuring the shunt resistance of diodes, specifically photodiodes, is examined and the procedure of how the method is implemented using LabVIEW is detailed. Rudimentary comparison with other accepted methods in industry is done. The un ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841525

26. Sources of Error in UV Radiation Measurements
Published: 1/1/2001
Authors: Thomas C Larason, C L Cromer
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104588

27. Sources of Uncertainty in UV Radiation Measurements
Published: 1/1/2001
Authors: Thomas C Larason, Christopher L Cromer
Abstract: Increasing commercial, scientific, and technical applications involving ultraviolet (UV) radiation has led to the demand for improved understanding of the performance of instrumentaion used to measure this radiation. There has been an effort by manu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841518

28. Improved Near-Infrared Spectral Responsivity Scale
Series: Journal of Research (NIST JRES)
Published: 9/1/2000
Authors: Ping-Shine Shaw, Thomas C Larason, R Gupta, Steven W Brown, Keith R Lykke
Abstract: A cryogenic radiometer-based system was constructed at the National Institute of Standards and Technology (NIST) for absolute radiometric measurements to improve detector spectral responsivity scales in the wavelength range from 900 nm to 1800 nm. I ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841449

29. Realization of a spectral radiance responsivity scale with a laser-based source and Si radiance meters
Published: 1/1/1999
Authors: George P Eppeldauer, Steven W Brown, Thomas C Larason, M Racz, R Lykke k
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104449

30. Optical Characterization of Diffuser-Input Standard Irradiance Meters
Published: 9/1/1998
Authors: George P Eppeldauer, M Racz, Thomas C Larason
Abstract: Standard quality irradiance meters have been developed at the National Institute of Standards and Technology (NIST) to realize detector based spectral irradiance scale. The design criteria and the optical and radiometric characterization of diffuser ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841289



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