New system for high-speed time-resolved holography of transient events

Michael J. Ehrlich; J. Scott Steckenrider; James W. Wagner

doi:10.1117/12.145788

1 January 1993 New system for high-speed time-resolved holography of transient events

Michael J. Ehrlich, J. Scott Steckenrider, James W. Wagner

Proceedings Volume 1801, 20th International Congress on High Speed Photography and Photonics; (1993) https://doi.org/10.1117/12.145788
Event: 20th International Congress on High Speed Photography and Photonics, 1992, Victoria, BC, Canada

Abstract

A configuration for sequential holographic recording based upon a new system for obtaining a train of spatially separated light pulses at frequencies ranging from 6 MHz to 35 MHz has been developed. The multipulse system uses a high energy Q-switched Nd:YAG laser as a light source,and incorporates a phase-front preserving optical delay line and a specially graded beamsplitter to produce up to ten spatially separated light pulses of nearly equal energy. The temporal spacing between successive output pulses may be varied discretely in increments of 28.3 ns from 28.3 ns to 169.8 ns. The system is currently used for high-speed time-resolved holography of dynamic events with lifetimes between 100 ns and 1.5 microsecond(s) . Other applications include using the system either as a single point or `phased-array' source for laser generation of ultrasound.

Citation Download Citation

Michael J. Ehrlich, J. Scott Steckenrider, and James W. Wagner "New system for high-speed time-resolved holography of transient events", Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); https://doi.org/10.1117/12.145788

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