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Proceedings Paper

Second-harmonic generation from the cathode-side face in a poled glass
Author(s): Mingxin Qiu; Toru Mizunami; Yoshifumi Takagaki
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Paper Abstract

The authors systematically investigated the second-order susceptibility of the cathode-side face of poled glass. This report consists of three parts. The first is a technique to pole a set of multi-pieces of glasses for distinguishing the second harmonic (SH) signals from the anode-side piece and from the cathode-side piece. The SH signal from the cathode- side piece was only one hundredth of that from the anode- side piece, and those from the middle pieces are further less. The SH signal increased with the number of glasses in a set. The second is a technique to give a further identification of the SH signals from each face. For this purpose, we looked for the materials, which are opaque to the second-harmonics. We found two kinds of new materials: lead silica and Pyrex glasses. They don't transmit the UV light, but transmit the visible light. We detected the second harmonics at 266 nm from the face of the glass facing to the detector. The SH signal in poled lead silica increased exponentially with the increase in the lead percentage. The third is a new technique of doping F- into the cathode-side face, which increases the SH signal from the cathode-side face by two orders. It reached two times of that from the anode-side face.

Paper Details

Date Published: 28 June 1999
PDF: 8 pages
Proc. SPIE 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials, (28 June 1999); doi: 10.1117/12.351411
Show Author Affiliations
Mingxin Qiu, Kyushu Institute of Technology (Japan)
Toru Mizunami, Kyushu Institute of Technology (Japan)
Yoshifumi Takagaki, Kyushu Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 3793:
Operational Characteristics and Crystal Growth of Nonlinear Optical Materials
Ravindra B. Lal; Donald O. Frazier, Editor(s)

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