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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 22 — Nov. 4, 2013
  • pp: 25864–25873

Efficient UV generation of a Yb-fiber MOPA producing high peak power for pulse durations of from 100 ps to 2 ns

Yasuhiro Kamba, Kazuyoku Tei, Shigeru Yamaguchi, Jun Enokidani, and Shin Sumida  »View Author Affiliations


Optics Express, Vol. 21, Issue 22, pp. 25864-25873 (2013)
http://dx.doi.org/10.1364/OE.21.025864


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Abstract

We demonstrate an average ultraviolet (UV) power generation of 20 W by harmonically converting the output of an all-fiber master oscillator power amplifier (MOPA) system. The third-harmonic generation (THG) UV output provides a conversion efficiency of 40% from the amplified fundamental output. The seed source, which consists of a 1064-nm-wavelength continuous-wave laser diode and two cascaded intensity modulators, produces chirp-free pulses with tunable durations from 100 ps to 2 ns at arbitrary repetition rates and a high dynamic extinction ratio. The fiber MOPA system generates a maximum average power of 50 W and a maximum peak power of 83 kW.

© 2013 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
(230.4110) Optical devices : Modulators

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 30, 2013
Revised Manuscript: September 28, 2013
Manuscript Accepted: September 28, 2013
Published: October 22, 2013

Citation
Yasuhiro Kamba, Kazuyoku Tei, Shigeru Yamaguchi, Jun Enokidani, and Shin Sumida, "Efficient UV generation of a Yb-fiber MOPA producing high peak power for pulse durations of from 100 ps to 2 ns," Opt. Express 21, 25864-25873 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-22-25864


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