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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 15 — Jul. 28, 2014
  • pp: 18268–18277

Thermal characteristics of second harmonic generation by phase matched calorimetry

Hwan Hong Lim, Sunao Kurimura, Keisuke Noguchi, and Ichiro Shoji  »View Author Affiliations

Optics Express, Vol. 22, Issue 15, pp. 18268-18277 (2014)

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We analyze a solution of the heat equation for second harmonic generation (SHG) with a focused Gaussian beam and simulate the temperature rise in SHG materials as a function of the second harmonic power and the focusing conditions. We also propose a quantitative value of the heat removal performance of SHG devices, referred to as the effective heat capacity Cα in phase matched calorimetry. We demonstrate the inverse relation between Cα and the focusing parameter ξ, and propose the universal quantity of the product of Cα and ξ for characterizing the thermal property of SHG devices. Finally, we discuss the strategy to manage thermal dephasing in SHG using the results from simulations.

© 2014 Optical Society of America

OCIS Codes
(190.4870) Nonlinear optics : Photothermal effects
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: June 5, 2014
Revised Manuscript: July 10, 2014
Manuscript Accepted: July 11, 2014
Published: July 21, 2014

Hwan Hong Lim, Sunao Kurimura, Keisuke Noguchi, and Ichiro Shoji, "Thermal characteristics of second harmonic generation by phase matched calorimetry," Opt. Express 22, 18268-18277 (2014)

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