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You searched on: Author: george eppeldauer

Displaying records 111 to 120 of 136 records.
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111. The NIST Detector-Based Photometric Scale
Published: 1/1/1993
Authors: C L Cromer, George P Eppeldauer, Jonathan E Hardis, Thomas C Larason, Albert C Parr

112. Luminous-Intensity Measurements of Sources using a New Detector-Based Illuminance Scale
Published: 1/1/1992
Authors: George P Eppeldauer, C L Cromer, Jonathan E Hardis

113. Fourteen Decade Photocurrent Measurements with Large Area Silicon Photodiodes at Room Temperature
Published: 1/1/1991
Authors: George P Eppeldauer, Jonathan E Hardis

114. Temperature Monitored/Controlled Silicon Photodiodes for Standardization
Published: 1/1/1991
Author: George P Eppeldauer

115. A Reference Tristimulus Colorimeter
Published: Date unknown
Author: George P Eppeldauer
Abstract: The accuracy of tristimulus colorimeters can be increased by using detector standards instead of traditional lamp standards for calibration. After high accuracy absolute spectral response determination of the color channels, spectral and amplitude c ...

116. A Spectrally Tunable Solid-State Source for Radiometric, Photometric and Colorimetric Applications
Published: Date unknown
Authors: Irena Fryc, Steven W Brown, George P Eppeldauer, Yoshihiro Ohno

117. AC-Mode SW-IR Radiation Thermometers for Measurement of Ambient Temperatures
Published: Date unknown
Authors: George P Eppeldauer, Howard W Yoon
Abstract: Recent improvements in the fabrication technology of short-wave infrared (SWIR) quantum detectors opened a new era in radiation thermometry. Ambient and higher temperatures can be measured with low uncertainties using thermoelectrically (TE) cooled e ...

118. Calibration of a Spectral Responsivity Transfer Standard
Published: Date unknown
Authors: George P Eppeldauer, Leonard M Hanssen
Abstract: A NIST-Developed pryoelectric radiometer was characterized and calibrated to extend the NIST high accuracy spectral responsively scale from the visible range to the ultraviolet (UV) and infrared (IR). The transmission of the gold-black coated LiNbO^ ...

119. Chopped Radiation Measurement With Large Area Si Photodiodes
Published: Date unknown
Author: George P Eppeldauer
Abstract: Frequency dependent response characteristics of photocurrent meters using large area, radiometric quality Si photodiodes have been analyzed. The current responsivity, the voltage noise and drift amplicication, and the gain and bandwidth of the photo ...

120. Development and Application Issues of a Spectrally Tunable LED Source
Published: Date unknown
Authors: George P Eppeldauer, Steven W Brown, G Dezsi, Irena Fryc, Yoshihiro Ohno
Abstract: A spectrally tunable solid state source based on Light Emitting Diodes (LEDs) is being developed at the National Institute of Standards and Technology (NIST). The tunable source will emulate the spectral distributions of various light sources and can ...

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