High-power, tunable difference frequency generation source for absorption spectroscopy based on a ridge waveguide periodically poled lithium niobate crystal

A novel waveguide for difference frequency generation in the mid-IR spectral region at 3.52 μm is characterized. High mid-IR power of 15 mW and an external conversion efficiency of up to 19 %W-1 have been obtained. An optical beam propagation factor M2 =1.18 was determined using the second moment method. A simple 2-f absorption spectra demonstrates the potential of this mid-IR source for high precision trace gas sensing applications.

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Copyright 2007 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [http://www.opticsinfobase.org/abstract.cfm?URI=oe-15-2-564]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Author Richter, Dirk
Weibring, Petter
Fried, Alan
Tadanaga, O.
Nishida, Y.
Asobe, M.
Suzuki, H.
Publisher UCAR/NCAR - Library
Publication Date 2007-01-22T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2025-07-17T17:03:22.645079
Metadata Record Identifier edu.ucar.opensky::articles:6898
Metadata Language eng; USA
Suggested Citation Richter, Dirk, Weibring, Petter, Fried, Alan, Tadanaga, O., Nishida, Y., Asobe, M., Suzuki, H.. (2007). High-power, tunable difference frequency generation source for absorption spectroscopy based on a ridge waveguide periodically poled lithium niobate crystal. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7416x96. Accessed 11 August 2025.

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