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1 April 2022 Compact DFG system for mid-IR generation with high power levels in the 3-5µm region
Christian Mauser, Carsten Cleff, Stefan Matern, Peter Adel, Jeonghyun Huh, Marc Fischer, Ronald Holzwarth
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Proceedings Volume PC11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI; PC1198504 (2022) https://doi.org/10.1117/12.2608491
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
We demonstrate a compact mid-IR system using difference frequency generation based on a femtosecond Ytterbium fiber laser system operating at a repetition rate of 100 MHz. By utilizing the fundamental 1 µm emission of the Yb-laser system and the widely wavelength-tuneable soliton emission of a PCF, high output power levels of more than 100 mW are realized over a large tuning range from 3 µm to 4.9 µm. This system demonstrates a powerful and widely tuneable femtosecond mid-IR source in a compact and robust design for applications such as infrared microscopy and spectroscopy.
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Christian Mauser, Carsten Cleff, Stefan Matern, Peter Adel, Jeonghyun Huh, Marc Fischer, and Ronald Holzwarth "Compact DFG system for mid-IR generation with high power levels in the 3-5µm region", Proc. SPIE PC11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI, PC1198504 (1 April 2022); https://doi.org/10.1117/12.2608491
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KEYWORDS
Mid-IR
Femtosecond phenomena
Laser applications
Laser systems engineering
Spectroscopy
Nonlinear frequency conversion
Nonlinear optics
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