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Proceedings Paper

High-power mid-infrared fiber-based supercontinuum sources (Conference Presentation)
Author(s): Stefan Kedenburg; Tobias R. J. Steinle; Andy Steinmann; Harald Giessen
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Paper Abstract

We present mid-infrared supercontinuum sources based on chalcogenide, tellurite, and liquid-filled capillary fibers and sub-picosecond oscillator pumping. Depending on the fiber geometry and material, the experimentally achieved spectral bandwidths and output powers vary significantly. In As2S3 chalcogenide step-index fibers we achieve a maximum output power of 550 mW at a spectral width of 2 μm, covering the important transparent atmospheric window between 3 and 5 μm. In tellurite step-index fibers we attain an ultra-broadband spectrum ranging from 1.3 to 5.3 μm with an average power of 150 mW. The spectral behavior of the supercontinua is investigated by changing the pump wavelength, core diameter, fiber length, and pump power. As pump source we use high repetition rate (42 MHz) optical parametric oscillators/amplifiers which deliver Watt-level pulses tunable between 1.4 – 4.1 μm. These supercontinuum sources promise to be excellent laboratory tools for high resolution spectroscopy owing to their high brilliance and near TEM00 spatial beam profiles.

Paper Details

Date Published: 21 April 2017
PDF: 1 pages
Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI, 100880F (21 April 2017); doi: 10.1117/12.2255954
Show Author Affiliations
Stefan Kedenburg, Univ. Stuttgart (Germany)
Tobias R. J. Steinle, Univ. Stuttgart (Germany)
Andy Steinmann, Univ. Stuttgart (Germany)
Harald Giessen, Univ. Stuttgart (Germany)


Published in SPIE Proceedings Vol. 10088:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVI
Konstantin L. Vodopyanov; Kenneth L. Schepler, Editor(s)

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