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

Steinlechner, J., Ast, S., Krüger, C., Singh, A. P., Eberle, T., Händchen, V., et al. (2013). Absorption Measurements of Periodically Poled Potassium Titanyl Phosphate (PPKTP) at 775 nm and 1550 nm. Sensors, 13(1), 565-573. doi:10.3390/s130100565.

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Steinlechner, Jessica, Author
Ast, Stefan1, Author           
Krüger, Christoph, Author
Singh, Amrit Pal, Author
Eberle, Tobias1, Author           
Händchen, Vitus1, Author           
Schnabel, Roman1, Author           
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1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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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.

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 Dates: 2013
 Publication Status: Issued
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 Identifiers: DOI: 10.3390/s130100565
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Title: Sensors
Source Genre: Journal
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Pages: - Volume / Issue: 13 (1) Sequence Number: - Start / End Page: 565 - 573 Identifier: -