Spectral radiance and temporal stability of a uniform radiance source integrating sphere with enhanced blue performance

Dante P. D'Amato

doi:10.1117/12.327952

20 October 1998 Spectral radiance and temporal stability of a uniform radiance source integrating sphere with enhanced blue performance

Dante P. D'Amato

Author Affiliations +

Proceedings Volume 3428, Illumination and Source Engineering; (1998) https://doi.org/10.1117/12.327952
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A uniform source sphere was designed and built that included both tungsten-halogen and xenon arc lamps. The spectral radiance of the system and arc lamp stability were measured. Results show significant spectral radiance in the blue region of the spectrum, which is greatly improved over conventional systems that use only tungsten-halogen lamps. Short-term stability measurements of the radiance due to one arc lamp show stability of 0.26%. This value is more than ten times greater than that of a tungsten-halogen lamp, which is inherently more stable, but the xenon lamp is sufficiently stable for many applications. Considering the improved blue performance, xenon lamps offer possibilities for uniform source spheres used to calibrate cameras that operate in the blue region of the spectrum, such as remote sensing systems.

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Dante P. D'Amato "Spectral radiance and temporal stability of a uniform radiance source integrating sphere with enhanced blue performance", Proc. SPIE 3428, Illumination and Source Engineering, (20 October 1998); https://doi.org/10.1117/12.327952

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