Quasi-phase-matched second harmonic generation in crystal quartz

Masaki Harada; Ken-ichi Muramatsu; Sunao Kurimura

doi:10.1117/12.575565

20 January 2005 Quasi-phase-matched second harmonic generation in crystal quartz

Masaki Harada, Ken-ichi Muramatsu, Sunao Kurimura

Proceedings Volume 5633, Advanced Materials and Devices for Sensing and Imaging II; (2005) https://doi.org/10.1117/12.575565
Event: Photonics Asia, 2004, Beijing, China

Abstract

Coherent all-solid-state light source in deep ultra-violet (DUV) region is widely required for many applications that include sensing and imaging. One of the promising candidates is a combination of an infrared solid-state laser and nonlinear optical crystals that enable DUV generation. Recently, crystal quartz is remarked as a nonlinear optical material of quasi-phase matching (QPM) in addition to the existing nonlinear optical crystals. It is an excellent optical material that has good transparency to 160nm and high damage threshold to laser light. It also has the χ⁽²⁾coefficient that allows optical second harmonic generation (SHG). Previously, it is not recognized as a practical nonlinear material due to the impossibility of the birefringent phase matching (BPM). In this work we fabricated a 125 mm-period twin structure for third-order QPM-SHG of 1064nm and performed the SHG experiments.

Citation Download Citation

Masaki Harada, Ken-ichi Muramatsu, and Sunao Kurimura "Quasi-phase-matched second harmonic generation in crystal quartz", Proc. SPIE 5633, Advanced Materials and Devices for Sensing and Imaging II, (20 January 2005); https://doi.org/10.1117/12.575565

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