Light pulse generator for high speed photography using semiconductor devices as a light source

Boleslaw Stasicki; Winfried J. Hiller; G. E. A. Meier

doi:10.1117/12.55647

1 July 1990 Light pulse generator for high speed photography using semiconductor devices as a light source

Boleslaw Stasicki, Winfried J. Hiller, G. E. A. Meier

Optical Engineering, Vol. 29, Issue 7, (July 1990). https://doi.org/10.1117/12.55647

A high speed pulsed light generator system has been developed for the optical analysis and imaging of fast processes in fluid dynamics. As a light source, one or more high power LEDs are used. The maximum light power generated by one diode is 1 W. The pulse repetition rate is up to 2 MHz and the pulse width can be adjusted in the range 50 ns to 10 µs. The light emitted from the diodes has a wavelength of 660 nm. Due to its pronounced coherence, it is especially suited for the observation of light-phase-shifting objects by interferometric methods. Examples of the application of the generator are presented.

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Boleslaw Stasicki, Winfried J. Hiller, and G. E. A. Meier "Light pulse generator for high speed photography using semiconductor devices as a light source," Optical Engineering 29(7), (1 July 1990). https://doi.org/10.1117/12.55647

Published: 1 July 1990

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