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Search Publications by: Yoshi Ohno (Assoc)

Displaying 176 - 200 of 391

Living with Uncertainty

January 1, 2005

Author(s)

Carl C. Miller, Yoshihiro Ohno

NIST Response to the 7th CORM Report: Pressing Problems and Projected National Needs in Optical Radiation Measurements,"

January 1, 2005

Author(s)

Gerald T. Fraser, Yoshihiro Ohno, Albert C. Parr

Photometry, ed. by A.C. Parr, R.U. Datla, and J.L. Gardner

January 1, 2005

Author(s)

Yoshihiro Ohno

Spectral Design Considerations for Color Rendering of White LED Light Sources

January 1, 2005

Author(s)

Yoshihiro Ohno

Spectral Matching with and LED-Based Spectrally Tunable Source

January 1, 2005

Author(s)

Irena Fryc, Steven W. Brown, Yoshihiro Ohno

Summary of NIST Short Courses offered by the Optical Technology Division

January 1, 2005

Author(s)

Carl C. Miller, Howard W. Yoon, Bettye C. Johnson, Yoshihiro Ohno

Toward an improved color rendering metric, ed. by I.T. Ferguson, J.C. Carrano, Tsunemasa Taguchi, and I.E. Ashdown

January 1, 2005

Author(s)

Wendy L. Davis, Yoshihiro Ohno

A Spectrally Tunable LED Sphere Source Enables Accurate Calibration of Tristimulus Colorimeters

October 22, 2004

Author(s)

Irena Fryc, Steven W. Brown, Yoshihiro Ohno

The Four-Color Method (FCM) was developed to improve the accuracy of chromaticity measurements of various colors of a display. The method is valid for each type of display having similar spectra. To develop the Four-Color correction matrix, colorimeters

LED Photometric Calibrations at the National Institute of Standards and Technology and Future Measurement Needs of LEDs

October 20, 2004

Author(s)

Carl C. Miller, Yuqin Zong, Yoshihiro Ohno

Standardization of LED Measurements Updates

September 15, 2004

Author(s)

Carl C. Miller, Yoshihiro Ohno

The article describes the current LED standards and recommendations. It also discusses the work in Commission Internationale De L Eclairage Technical Committees to form new recommendations for LED measurements of total luminous flux, partial LED flux and

A Spectrally Tunable Solid-State Source for Radiometric, Photometric and Colorimetric Applications

August 5, 2004

Author(s)

Irena Fryc, Steven W. Brown, George P. Eppeldauer, Yoshi Ohno

Color Rendering and Luminous Efficacy of White LED Spectra

August 5, 2004

Author(s)

Yoshihiro Ohno

Simulation Analysis of White LED Spectra and Color Rendering

June 9, 2004

Author(s)

Yoshihiro Ohno