Light Emitting Diodes As Short Duration Light Sources

I. M. Hutchings; D. R. Andrews

doi:10.1117/12.957553

27 July 1979 Light Emitting Diodes As Short Duration Light Sources

I. M. Hutchings, D. R. Andrews

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957553
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

The use of GaAsP light emitting diodes as pulsed light sources for high-speed photography is discussed. Two applications are des-cribed: single-shot photography with pulses ca. 1 p,s long, and stroboscopic visualization of ultrasound with 50 ns flashes. The luminous efficiency and current capacity of the LEDs was considerably enhanced by cooling them to 77 K in liquid nitrogen.

Citation Download Citation

I. M. Hutchings and D. R. Andrews "Light Emitting Diodes As Short Duration Light Sources", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957553

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