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You searched on: Author: george eppeldauer

Displaying records 21 to 30 of 136 records.
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21. Extension of the NIST spectral responsivity scale to the infrared using improved-NEP pyroelectric detectors
Published: 6/2/2009
Authors: George P Eppeldauer, Jinan Zeng, Howard W Yoon, Boris Wilthan, Thomas C Larason, Leonard M Hanssen
Abstract: Routine NIST spectral responsivity calibrations are needed for the infrared range. Low NEP pyroelectric radiometers have been developed for traditional monochromator applications to extend the responsivity scale to the infrared. After NEP tests, the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900961

22. Radiometer standard for absolute responsivity calibrations from 950 nm to 1650 nm with 0.05% (k = 2) uncertainty
Published: 6/2/2009
Authors: George P Eppeldauer, Howard W Yoon, Yuqin Zong, Thomas C Larason, Allan W. Smith, M. Racz
Abstract: A sphere-input transfer-standard detector has been developed to calibrate detectors and radiometers for absolute spectral power, irradiance, and radiance responsivity in the near-IR range with uncertainties similar to those of silicon trap-detector c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900973

23. Extension of the NIST tristimulus colorimeter for solid-state light source measurements
Published: 5/29/2009
Authors: George P Eppeldauer, Carl C Miller, Thomas C Larason, Yoshihiro Ohno
Abstract: In order to obtain improved color measurement uncertainties for solid state light (SSL) sources, the second generation tristimulus colorimeter of NIST has been extended with a fifth channel to perform efficient matrix corrections for the spectral mis ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903041

24. Illuminance responsivity calibration of reference photometers at the NIST SIRCUS and SCF facilities
Published: 5/29/2009
Authors: George P Eppeldauer, Carl C Miller, Thomas C Larason, Yoshihiro Ohno
Abstract: The illuminance responsivities of two transfer standard photometers have been directly determined from their spectral responsivity calibrations at two different calibration facilities of NIST. The main characteristics of the two photometers, and thei ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902807

25. NIST Technical Note No. 1621: Optical radiation measurements based on detector standards
Series: Technical Note (NIST TN)
Report Number: 1621
Published: 3/11/2009
Author: George P Eppeldauer
Abstract: Improved detector technology in the past two decades opened a new era in the field of optical radiation measurements. Lower calibration and measurement uncertainties can be achieved with modern detector/radiometer standards than traditionally used s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901369

26. Uniform Calibration of Night Vision Goggles and Test Sets
Published: 10/8/2007
Author: George P Eppeldauer
Abstract: There are orders of magnitude differences between the ~0.1 % (k=2) uncertainty of NIST reference detector calibrations and the uncertainty of night vision (NV) goggle measurements. NIST developed a night vision radiometer calibration facility includi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841118

27. AC-mode SW-IR radiation thermometers for measurement of ambient temperatures
Published: 5/10/2007
Authors: George P Eppeldauer, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104430

28. Short-wave infrared radiometers design and characterization
Published: 4/1/2007
Authors: George P Eppeldauer, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104429

29. The use of thermo-electric cooled short-wave infrared detectors in heat-seeking systems
Published: 2/14/2007
Authors: Howard W Yoon, George P Eppeldauer
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104808

30. New photometer standards for low uncertainty illuminance scale realization
Published: 1/1/2007
Authors: George P Eppeldauer, Carl C Miller, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104431



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