Power, pulse width, and repetition rate agile low-cost multi-spectral semi-active laser simulator

Jason K. O'Daniel; Preston Young; Eric Golden; Robert Barton; Donald Snyder

doi:10.1117/12.866201

23 April 2010 Power, pulse width, and repetition rate agile low-cost multi-spectral semi-active laser simulator

Jason K. O'Daniel, Preston Young, Eric Golden, Robert Barton, Donald Snyder

Author Affiliations +

Proceedings Volume 7663, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing XV; 76630Q (2010) https://doi.org/10.1117/12.866201
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

The emergence of spectrally multimode smart missiles requires hardware-in-the-loop (HWIL) facilities to simulate multiple spectral signatures simultaneously. While traditional diode-pumped solid-state (DPSS) sources provide a great basic testing source for smart missiles, they typically are bulky and provide substantially more power peak power than what is required for laboratory simulation, have fixed pulse widths, and require some external means to attenuate the output power. HWIL facilities require systems capable of high speed variability of the angular divergence and optical intensity over several orders of magnitude, which is not typically provided by basic DPSS systems. In order to meet the needs of HWIL facilities, we present a low-cost semi-active laser (SAL) simulator source using laser diode sources that emits laser light at the critical wavelengths of 1064 nm and 1550 nm, along with light in the visible for alignment, from a single fiber aperture. Fiber delivery of the multi-spectral output can provide several advantages depending on the testing setup. The SAL simulator source presented is capable of providing attenuation of greater than 70 dB with a response time of a few milliseconds and provides a means to change the angular divergence over an entire dynamic range of 0.02- 6º in less than 400 ms. Further, the SAL simulator is pulse width and pulse repetition rate agile making it capable of producing both current and any future coding format necessary.

Citation Download Citation

Jason K. O'Daniel, Preston Young, Eric Golden, Robert Barton, and Donald Snyder "Power, pulse width, and repetition rate agile low-cost multi-spectral semi-active laser simulator", Proc. SPIE 7663, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing XV, 76630Q (23 April 2010); https://doi.org/10.1117/12.866201

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