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Proceedings Paper

Understanding fifth-harmonic generation in CLBO
Author(s): S. Patankar; S. T. Yang; J. D. Moody; A. J. Bayramian; G. F. Swadling ; D. Barker; P. Datte; G. Mennerat; M. Norton; C. W. Carr; I. A. Begishev; J. Bromage; J. S. Ross
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Paper Abstract

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.

Paper Details

Date Published: 15 February 2018
PDF: 7 pages
Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 1051603 (15 February 2018); doi: 10.1117/12.2288496
Show Author Affiliations
S. Patankar, Lawrence Livermore National Lab. (United States)
S. T. Yang, Lawrence Livermore National Lab. (United States)
J. D. Moody, Lawrence Livermore National Lab. (United States)
A. J. Bayramian, Lawrence Livermore National Lab. (United States)
G. F. Swadling , Lawrence Livermore National Lab. (United States)
D. Barker, Lawrence Livermore National Lab. (United States)
P. Datte, Lawrence Livermore National Lab. (United States)
G. Mennerat, Lawrence Livermore National Lab. (United States)
M. Norton, Lawrence Livermore National Lab. (United States)
C. W. Carr, Lawrence Livermore National Lab. (United States)
I. A. Begishev, Lab. for Laser Energetics (United States)
J. Bromage, Lab. for Laser Energetics (United States)
J. S. Ross, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 10516:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVII
Konstantin L. Vodopyanov; Kenneth L. Schepler, Editor(s)

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