Understanding fifth-harmonic generation in CLBO

Patankar, Siddharth; Yang, Steven T.; Ross, Steven J.; Moody, John D.; Swadling, George F.; Bayramian, Andy; Barker, David; Datte, Philip S.; Bromage, Jake; Begishev, Ildar A.; Norton, Mary; Carr, Christopher W.; Mennerat, Gabriel

doi:10.1117/12.2288496

Title: Understanding fifth-harmonic generation in CLBO

Journal Article · Thu Feb 15 00:00:00 EST 2018 · Proceedings of SPIE - The International Society for Optical Engineering

DOI:https://doi.org/10.1117/12.2288496· OSTI ID:1488777

Patankar, Siddharth ^[1]; Yang, Steven T. ^[1]; Ross, Steven J. ^[1]; Moody, John D. ^[1]; Swadling, George F. ^[1]; Bayramian, Andy ^[1]; Barker, David ^[1]; Datte, Philip S. ^[1]; Bromage, Jake ^[2]; Begishev, Ildar A. ^[2]; Norton, Mary ^[1]; Carr, Christopher W. ^[1]; Mennerat, Gabriel ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics

Here, we report on results of fifth harmonic generation in Cesium Lithium Borate (CLBO) using a three-crystal cascaded frequency conversion scheme designed to study the energy balance of the final sum frequency generation stage. The experimental setup independently combines the first and fourth harmonic of a Nd:Glass laser in a 5mm thick CLBO crystal. Energy balance between the incoming and output energy is close to unity when the CLBO is out of phase matching and approximately 80% when the crystal is in phase matching. A detailed analysis of the residual fundamental and fourth harmonic energy indicates 5th harmonic light is being generated but only 26% is unaccounted for. We attribute the missing light to linear transmission loss in the CLBO oven. The ratio of the output to input energy is unity when the missing 5th harmonic is incorporated into the calculations. Two-dimensional plane wave mixing simulations show agreement with the results at lower intensities.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1488777

Report Number(s):: LLNL-JRNL-744411; 899348

Journal Information:: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 10516, Issue none; Conference: SPIE LASE, 2018, San Francisco, CA (United States); ISSN 0277-786X

Publisher:: SPIECopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 2 works

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References (5)

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