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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 3963–3965

Er-doped high-aspect-ratio core rectangular fiber producing 5 mJ, 13 ns pulses at 1572 nm

Victor Khitrov, Vladimir V. Shkunov, David A. Rockwell, Yuri A. Zakharenkov, and Friedrich Strohkendl  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 3963-3965 (2012)
http://dx.doi.org/10.1364/OL.37.003963


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Abstract

We have produced 5 mJ, 13 ns pulses using a very large-mode-area rectangular fiber containing a high-aspect-ratio core with dimensions of 30μm×580μm. The rectangular fiber design retains a thin cladding dimension 0.5mm, which is compatible with a compact coiled package. We have developed a theoretical model that achieves good agreement with the experimental data. This model indicates that an optimized fiber design can be scaled to pulse energies of several tens of millijoules. We also discuss a strategy for maintaining good beam quality in both transverse dimensions of this fiber.

© 2012 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 2, 2012
Revised Manuscript: August 2, 2012
Manuscript Accepted: August 2, 2012
Published: September 19, 2012

Citation
Victor Khitrov, Vladimir V. Shkunov, David A. Rockwell, Yuri A. Zakharenkov, and Friedrich Strohkendl, "Er-doped high-aspect-ratio core rectangular fiber producing 5 mJ, 13 ns pulses at 1572 nm," Opt. Lett. 37, 3963-3965 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-3963

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