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1. Once is Enough in Radiometric Calibrations
Series: Journal of Research (NIST JRES)
Published: 2/1/2007
Authors: Gerald T Fraser, Charles E Gibson, Howard W Yoon, Albert C Parr
Abstract: The successful development of an Optical Technology Division quality system for optical radiation measurement services has provided the opportunity to reconsider the existing calibration procedures to improve quality and reduce costs. We have institu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841160

2. A 400 nm to 2500 nm Absolute Spectral Radiance Comparison Using Filter Radiometers
Published: 10/1/1998
Authors: Howard W Yoon, Bettye C Johnson, D Kelch, S F Biggar, P R Spyak
Abstract: An integrating sphere source developed by MTL Systems, Inc. was calibrated for them by a commercial standards laboratory traceable to the National Institute of Standards and Technology (NIST), resulting in values of spectral radiance in the 400 nm to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841260

3. A 400 nm to 2500 nm Absolute Spectral Radiance Comparison using Filter Radiometers
Published: 1/1/1998
Authors: Howard W Yoon, Bettye C Johnson, D Kelch, S F Biggar, P R Spyak
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104277

4. A Comparison of ITS-90 and Detector-Based Scales Between NPL and NIST Using Metal-Carbon Eutectics
Published: Date unknown
Authors: Graham Machin, Charles E Gibson, D L Lowe, David W Allen, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841844

5. A Comparison of ITS-90, Above the Silver Point, as Realised by NIST and NPL
Published: 1/1/2000
Authors: Graham Machin, Charles E Gibson, Bettye C Johnson, Howard W Yoon
Abstract: A comparison of the radiance temperature scales between 1000 C and 2700 C has been performed between the National Physical Laboratory (NPL) and the National Institute of Standards and Technology (NIST). Two transfer radiation thermometers, of identi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841356

6. A Comparison of the Absolute Detector-Based Spectral Radiance Assignment with the Current NIST-Assigned Spectral Radiance of Tungsten Strip Lamps
Published: 9/1/2000
Authors: Howard W Yoon, Charles E Gibson
Abstract: Using a high-temperature blackbody (HTBB) and filter radiometers calibrated for absolute spectral power response, the spectral output of the blackbody, whose radiance temperature was determined using the filter radiometers, was used to assign spectra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841385

7. A Method for Testing the Spectral Responsivity of Infrared Cameras Using Tunable Lasers
Published: 8/1/2003
Authors: Joseph Paul Rice, Keith R Lykke, Howard W Yoon
Abstract: We are developing a technique for accurately measuring spectral responsivity functions of infrared cameras using tunable lasers. We present preliminary results for uniform scenes where tunable infrared lasers illuminate an integrating sphere, diffus ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841716

8. A SURF Beamline for Synchrotron Source-Based Absolute Radiometry
Published: 2/1/2003
Authors: Ping-Shine Shaw, Uwe Arp, Howard W Yoon, Robert D. Saunders, Albert C Parr, Keith R Lykke
Abstract: A new source-based radiometry beamline at Synchrotron Ultraviolet Radiation Facility (SURF III) was constructed recently. The goal of this beamline is to establish a national source standard with wide spectral range from far UVto IR by using the cal ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841629

9. A comparison of ITS-90 and a detector-based scale between NPL and NIST using metal-carbon eutectics
Published: 1/1/2004
Authors: David W Allen, Charles E Gibson, D L Lowe, Graham Machin, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104298

10. A versatile light-emitting-diode-based spectral response measurement system for photovoltaic device characterization
Published: 6/29/2012
Authors: Behrang H Hamadani, John F Roller, Brian P Dougherty, Howard W Yoon
Abstract: An absolute differential spectral response measurement system for solar cells is presented. The system couples an array of light emitting diodes (LEDs) with an optical waveguide to provide large area illumination. Two unique yet complementary measur ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910849



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