Second harmonic generation at 515 nm in RTP with temperature insensitive and non-critical phase-matching (poster)

Loïc Deyra 1 Xavier Delen 1 Gabriel Mennerat 2 Phillipe Villeval 3 François Balembois 1 Patrick Georges 1
1 Laboratoire Charles Fabry / Lasers
LCF - Laboratoire Charles Fabry
2 CEA - Commissariat à l'énergie atomique et aux énergies alternatives
3 Crystal Laser
Abstract : We demonstrate that around 1030 nm, RbTiOPO4 (RTP) realizes the second harmonic generation of Yb-doped lasers in non-critically phase-matched configuration at ambient temperature, with efficiencies comparable to LBO and wide thermal acceptance. Frequency doubled lasers are widely used in today's industry, from micromachining to solid-state pumping or spectrometry applications. While it is a nonlinear process fully mastered today, with conversion efficiencies routinely reaching more than 60%, it is still a technique sensitive to many outside parameters such as angular misalignments or temperature operation. In order to increase the robustness of a frequency conversion scheme, one needs to reduce the dephasing between the fundamental and the second harmonic caused by either an angle misalignment (angular sensitivity) or a temperature change (thermal sensitivity).
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Conference papers
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https://hal-iogs.archives-ouvertes.fr/hal-01369039
Contributor : Fatima Pereira <>
Submitted on : Tuesday, September 20, 2016 - 2:09:42 PM
Last modification on : Tuesday, April 3, 2018 - 10:32:03 AM

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  • HAL Id : hal-01369039, version 1

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Loïc Deyra, Xavier Delen, Gabriel Mennerat, Phillipe Villeval, François Balembois, et al.. Second harmonic generation at 515 nm in RTP with temperature insensitive and non-critical phase-matching (poster). Advanced Solid State Laser (ASSL 2013), Oct 2013, Paris, France. ⟨hal-01369039⟩

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