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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 19 — Oct. 1, 1998
  • pp: 1517–1519

Mid-infrared difference-frequency generation source pumped by a 1.1–1.5- m dual-wavelength fiber amplifier for trace-gas detection

L. Goldberg, J. Koplow, D. G. Lancaster, R. F. Curl, and F. K. Tittel  »View Author Affiliations


Optics Letters, Vol. 23, Issue 19, pp. 1517-1519 (1998)
http://dx.doi.org/10.1364/OL.23.001517


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Abstract

Continuous-wave mid-infrared radiation near 3.5µm is generated by difference-frequency mixing of the output of a compact 1.1–1.5-µm dual-wavelength fiber amplifier in periodically poled LiNbO3 . The diode side-pumped amplifier is constructed with double-cladding Yb-doped fiber followed by single-mode Er/Yb codoped fiber. Output powers of as much as 11µW at 3.4µm are obtained, and spectroscopic detection of CH4 and H2CO is demonstrated.

© 1998 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(190.2620) Nonlinear optics : Harmonic generation and mixing
(280.3420) Remote sensing and sensors : Laser sensors
(300.6340) Spectroscopy : Spectroscopy, infrared

Citation
L. Goldberg, J. Koplow, D. G. Lancaster, R. F. Curl, and F. K. Tittel, "Mid-infrared difference-frequency generation source pumped by a 1.1–1.5- m dual-wavelength fiber amplifier for trace-gas detection," Opt. Lett. 23, 1517-1519 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-19-1517

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