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1 April 2022 Fast, widely tunable SPDC light source in the 3-4 μm range
Peter Tidemand-Lichtenberg, Ashik A.S., Alexander Holm Ohrt, Christian Pedersen
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Proceedings Volume PC11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI; PC1198503 (2022) https://doi.org/10.1117/12.2614039
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
A fast tunable, Spontaneous Parametric Down Conversion (SPDC) light source in the saturated regime is presented. A 25 mm long, fanned pp:LN crystal combined with a translation stage provides a scanning speed of 100 nm/s. The light source is characterized in terms of scanning speed, spectral coverage, wavelength repeatability and power. Based on recently developed theory for SPDC light sources in the saturated regime, we discuss slope efficiency and pump power threshold for entering the high gain regime.
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Peter Tidemand-Lichtenberg, Ashik A.S., Alexander Holm Ohrt, and Christian Pedersen "Fast, widely tunable SPDC light source in the 3-4 μm range", Proc. SPIE PC11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI, PC1198503 (1 April 2022); https://doi.org/10.1117/12.2614039
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KEYWORDS
Light sources
Crystals
Mid-IR
Nonlinear crystals
Molecular spectroscopy
Q switched lasers
Quantum cascade lasers
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