Propagation of infrared ultrashort pulses in the air

Thomas J. Karr; Larry Stotts; Jason D. Schmidt; Jason A. Tellez; Justin D. Mansell

doi:10.1117/12.2318224

14 May 2018 Propagation of infrared ultrashort pulses in the air

Thomas J. Karr, Larry Stotts, Jason D. Schmidt, Jason A. Tellez, Justin D. Mansell

Author Affiliations +

Proceedings Volume 10684, Nonlinear Optics and its Applications 2018; 1068414 (2018) https://doi.org/10.1117/12.2318224
Event: SPIE Photonics Europe, 2018, Strasbourg, France

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.

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Thomas J. Karr, Larry Stotts, Jason D. Schmidt, Jason A. Tellez, and Justin D. Mansell "Propagation of infrared ultrashort pulses in the air", Proc. SPIE 10684, Nonlinear Optics and its Applications 2018, 1068414 (14 May 2018); https://doi.org/10.1117/12.2318224

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