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Calibrating Photodetector Devices

Physicist Jeanne Houston aligns a laser beam into the NIST primary optical standard used for calibrating photodetector devices that sense ultraviolet, visible, or infrared light.
© Robert Rathe

Tight control of environmental factors in the AML makes it possible to improve calibrations for light-measuring devices. Here, physicist Jeanne Houston aligns a laser beam into the NIST primary optical standard used for calibrating photodetector devices that sense ultraviolet, visible, or infrared light. Photodetectors are used widely in scientific laboratories as well as in the lighting, aerospace, defense, and many other industries.


Copyright is owned by the photographer. This photo is available without charge for use in materials that describe NIST programs directly. All other uses require permission from the photographer. For further information or to receive a high resolution version of this image contact: Gail Porter, (301) 975-3392.

Optical Technology Division

Physics Laboratory

NIST Image Gallery

Date created:6/25/04
Last updated: 6/25/04
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