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You searched on: Author: yoshihiro ohno

Displaying records 31 to 40 of 180 records.
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31. PRACTICAL METHOD FOR MEASUREMENT OF AC-DRIVEN HIGH-POWER LEDS
Published: 7/14/2008
Authors: Yuqin Zong, Yoshihiro Ohno, Pei-ting Chou
Abstract: Alternating-current (AC) driven high-power LEDs are available and used in SSL products. AC LEDs operate directly from a mains supply and thus have advantages in simplifying product design, increasing product reliability, and extending product lifetim ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903044

32. Color Quality and Spectra
Published: 7/1/2008
Authors: Yoshihiro Ohno, Wendy L Davis
Abstract: Color quality, including white light chromaticity and color rendering performance, as well as luminous efficacy of radiation, for illumination sources are introduced. Spectral design considerations for white LED and solid-state lighting products to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842492

33. Spectral Colour Measurement, ed. by J. Schanda
Published: 1/1/2008
Author: Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104719

34. Correction of Stray Light In Spectroradiometers and Imaging Instruments
Published: 7/4/2007
Authors: Yuqin Zong, Steven W Brown, Keith R. Lykke, Yoshihiro Ohno
Abstract: Measurement errors from stray light, spectral or spatial, are inevitable and are often the dominant source of error in spectroradiometers and imaging radiometers/photometers. We have developed a simple matrix method for correcting spatial stray light ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841072

35. Realization of total spectral radiant flux scale and calibration service at NIST
Published: 7/4/2007
Authors: Yuqin Zong, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101809

36. -Measurement of Solid-State Lighting Products,-
Published: 1/1/2007
Authors: Yoshihiro Ohno, Carl C Miller
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104670

37. -Measuring Color Quality of Light Sources,-
Published: 1/1/2007
Authors: Wendy L Davis, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104387

38. 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

39. Simple Spectral Stray Light Correction Method for Array Spectroradiometers
Published: 2/20/2006
Authors: Yuqin Zong, Steven W Brown, Bettye C Johnson, Keith R. Lykke, Yoshihiro Ohno
Abstract: In many applications, the measurement accuracy of spectroradiometers, particularly instruments with a single dispersive element, is limited by the presence of stray radiation within the instrument. A simple, practical method has been developed to co ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840968

40. Calibration and Characterization of UV Sensors for Water Disinfection
Published: 1/2/2006
Authors: Thomas C Larason, Yoshihiro Ohno
Abstract: Ultraviolet radiation (UV) effectively inactivates common pathogens found in ground and surface waters such as Cryptosporidium, Giardia, and most bacterial pathogens (e. g., E. coli). Water treatment facilities recently started using ultraviolet rad ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841150



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