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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 13 — Jul. 1, 1996
  • pp: 952–954

Broadly tunable laser-diode-based mid-infrared source with up to 31 μW of power at 4.3-μm wavelength

A. Balakrishnan, S. Sanders, S. DeMars, J. Webjörn, D. W. Nam, R. J. Lang, D. G. Mehuys, R. G. Waarts, and D. F. Welch  »View Author Affiliations


Optics Letters, Vol. 21, Issue 13, pp. 952-954 (1996)
http://dx.doi.org/10.1364/OL.21.000952


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Abstract

High-power single-spatial-mode near-IR laser diodes are mixed in periodically poled LiNbO3 (PPLN) to generate broadly tunable mid IR-radiation. Conversion efficiencies to the mid IR up to 0.017%/W are demonstrated, and up to 31 μW of power is generated at the spectroscopically important 4.3-μm wavelength. We achieved broadband mid-IR tunability by mixing a wavelength-tunable laser-diode pump source with a fixed-wavelength master oscillator power amplifier laser-diode signal source in a PPLN sample that has a poling period that varies from 21.0 to 22.6 μm in the direction transverse to the beam propagation. We generated mid-IR radiation from 4.1 to 4.3 μm with these laser sources, using a fixed 22.0-μm period region of the sample.

© 1996 Optical Society of America

History
Original Manuscript: January 2, 1996
Published: July 1, 1996

Citation
A. Balakrishnan, S. Sanders, S. DeMars, J. Webjörn, D. W. Nam, R. J. Lang, D. G. Mehuys, R. G. Waarts, and D. F. Welch, "Broadly tunable laser-diode-based mid-infrared source with up to 31 μW of power at 4.3-μm wavelength," Opt. Lett. 21, 952-954 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-13-952

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