High Frequency Stroboscope Using LEDs As Light Source

F. Frungel; W.J. Hiller; G. E.A. Meier; B. Stasicki

doi:10.1117/12.967949

1 February 1985 High Frequency Stroboscope Using LEDs As Light Source

F. Frungel, W.J. Hiller, G. E.A. Meier, B. Stasicki

Proceedings Volume 0491, 16th Intl Congress on High Speed Photography and Photonics; (1985) https://doi.org/10.1117/12.967949
Event: 16th International Congress on High Speed Photography and Photonics, 1984, Strasbourg, France

Abstract

A high frequency stroboscope for flash rates up to the 101-1z region will be described. The flashes are generated by light emitting diodes which emit - especially in the pulse mode - high light currents in the visible region. The pulse width of the flashes is controlled automatically in such a way that the mean light. current stays constant for flash rates between 100 Hz up to 1 MHz. The ratio between flash duration and period length is adjustable over a wide range, hereby the height of the light pulses is regulated internally for h.,-lean light current output. Some applications of the stroboscope in Mach-Zehnder-, 'N'Tirau- and Differential-Interferometry and an example for the observation of a desintegrating water-jet will be given.

Citation Download Citation

F. Frungel, W.J. Hiller, G. E.A. Meier, and B. Stasicki "High Frequency Stroboscope Using LEDs As Light Source", Proc. SPIE 0491, 16th Intl Congress on High Speed Photography and Photonics, (1 February 1985); https://doi.org/10.1117/12.967949

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