Sensors 2013, 13(1), 565-573; doi:10.3390/s130100565
Article

Absorption Measurements of Periodically Poled Potassium Titanyl Phosphate (PPKTP) at 775 nm and 1550 nm

Institut für Gravitationsphysik, Leibniz Universität Hannover and Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut), Callinstr. 38, 30167 Hannover, Germany
* Author to whom correspondence should be addressed.
Received: 1 November 2012; in revised form: 6 December 2012 / Accepted: 19 December 2012 / Published: 4 January 2013
(This article belongs to the Special Issue Laser Sensing and Imaging)
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Abstract: The efficient generation of second-harmonic light and squeezed light requires non-linear crystals that have low absorption at the fundamental and harmonic wavelengths. In this work the photo-thermal self-phase modulation technique is exploited to measure the absorption coefficient of periodically poled potassium titanyl phosphate (PPKTP) at 1,550 nm and 775 nm. Themeasurement results are (84±40) ppm/cmand (127±24) ppm/cm, respectively. We conclude that the performance of state-of-the-art frequency doubling and squeezed light generation in PPKTP is not limited by absorption.
Keywords: PPKTP; absorption; photo-thermal

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MDPI and ACS Style

Steinlechner, J.; Ast, S.; Krüger, C.; Singh, A.P.; Eberle, T.; Händchen, V.; Schnabel, R. Absorption Measurements of Periodically Poled Potassium Titanyl Phosphate (PPKTP) at 775 nm and 1550 nm. Sensors 2013, 13, 565-573.

AMA Style

Steinlechner J, Ast S, Krüger C, Singh AP, Eberle T, Händchen V, Schnabel R. Absorption Measurements of Periodically Poled Potassium Titanyl Phosphate (PPKTP) at 775 nm and 1550 nm. Sensors. 2013; 13(1):565-573.

Chicago/Turabian Style

Steinlechner, Jessica; Ast, Stefan; Krüger, Christoph; Singh, Amrit P.; Eberle, Tobias; Händchen, Vitus; Schnabel, Roman. 2013. "Absorption Measurements of Periodically Poled Potassium Titanyl Phosphate (PPKTP) at 775 nm and 1550 nm." Sensors 13, no. 1: 565-573.

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