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Propagation of infrared ultrashort pulses in the air
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Paper Abstract

The propagation of high peak-power beams in the atmosphere has been observed in field trials with visible-near infrared (VNIR). Longer infrared (IR) wavelengths beams have some propagation characteristics not tested in the VNIR field experiments. We identify some unique characteristics of IR ultrashort- ulse air propagation: greater transmission, much lower dispersion-induced chirp, lower sensitivity to atmospheric turbulence, and much larger critical power. We summarize the results of self-focusing theory applied to IR ultrashort pulse characteristics, apply the theory to predict the IR self-focusing distance, and show the theory is in close agreement with detailed numerical simulations including extinction and turbulence.

Paper Details

Date Published: 14 May 2018
PDF: 17 pages
Proc. SPIE 10684, Nonlinear Optics and its Applications 2018, 1068414 (14 May 2018); doi: 10.1117/12.2318224
Show Author Affiliations
Thomas J. Karr, Defense Advanced Research Projects Agency (United States)
Larry Stotts, Science and Technology Associates, Inc. (United States)
Jason D. Schmidt, MZA Associates Corp. (United States)
Jason A. Tellez, MZA Associates Corp. (United States)
Justin D. Mansell, MZA Associates Corp. (United States)


Published in SPIE Proceedings Vol. 10684:
Nonlinear Optics and its Applications 2018
Benjamin J. Eggleton; Neil G. R. Broderick; Anna C. Peacock, Editor(s)

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