TECHNICAL ACTIVITIES 1999 - NISTIR 6438

NIST facility for measurement of luminous flux. Shown here is the new 2.5 m integrating sphere that can measure incandescent, fluorescent, and discharge lamps. This sphere is used for the NIST realization of the lumen and for improving photometric calibration services.

MISSION / ORGANIZATION
CURRENT DIRECTIONS
TECHNICAL HIGHLIGHTS
FUTURE DIRECTIONS

TECHNICAL ACTIVITIES 1999 - Contents

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Online: April 2000