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Applied Physics Letters / Volume 65 / Issue 9

Appl. Phys. Lett. 65, 1082 (1994); http://dx.doi.org/10.1063/1.112132 (3 pages)

Narrowband mid‐infrared generation using KTiOAsO4

A. H. Kung

Chemical Sciences Division, Lawrence Berkeley Laboratory, Berkeley, California 94720

(Received 23 May 1994; accepted 20 June 1994)

Continuously tunable mid‐infrared radiation from 3.0 to 5.3 μm was produced by difference frequency mixing in KTiOAsO4. A photon efficiency of 7% for conversion to 4.4 μm was achieved, providing peak power exceeding 250 kW, and pulse energy of over 0.5 mJ in a 2 nanosecond pulse. An absorption spectrum of CO2 in air with better than 1 cm−1 resolution was obtained simply by scanning the wavelength of one of the input lasers.

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KEYWORDS and PACS

Keywords

OPTICAL MIXING, POTASSIUM COMPOUNDS, TITANATES, ARSENATES, INFRARED RADIATION, LIGHT SOURCES, NONLINEAR OPTICS, TUNING

PACS

  • 42.65.Jx

    Beam trapping, self-focusing and defocusing; self-phase modulation

  • 42.65.Ky

    Frequency conversion; harmonic generation, including higher-order harmonic generation

  • 82.80.Ms

    Mass spectrometry (including SIMS, multiphoton ionization and resonance ionization mass spectrometry, MALDI)

  • 42.72.Ai

    Infrared sources

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.112132

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

For access to fully linked references, you need to log in.
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    L. K. Cheng, L.-T. Cheng, J. D. Bierlein, F. C. Zumsteg, and A. A. Ballman, Appl. Phys. Lett. 62, 346 (1993APPLAB000062000004000346000001).


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