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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 31 — Nov. 1, 2010
  • pp: 6189–6195

Optical interrupter for high peak power transfer in laser initiation systems

Xing-hai Zhao, Guang-cun Shan, Qing Yang, Bo Yang, and Yang Gao  »View Author Affiliations


Applied Optics, Vol. 49, Issue 31, pp. 6189-6195 (2010)
http://dx.doi.org/10.1364/AO.49.006189


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Abstract

An optical interrupter for high-power transfer is developed for application in laser ignition or initiation systems, to prevent unintended detonation of a laser detonator while ensuring that detonation will reliably take place when needed. The optical switch acting as a high-power optical energy interrupter is investigated through simulations and experiment. The prototype of this novel optical interrupter, which has been designed and fabricated, employs microelectromechanical system V-grooves for precise positioning of optical fibers, a miniature cam for the actuator, and a stepper motor for the drive source. The cam’s rotary movement displaces the input fiber so that it is aligned with the output fiber. The main performance parameters have been achieved. The insertion loss is found to be 0.4 dB (without antireflection coatings) with a maximum power handling capacity of 2 MW . Switching time is approximately 50 ms with channel isolation between the on and off states of 20 dB .

© 2010 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(230.2285) Optical devices : Fiber devices and optical amplifiers
(250.6715) Optoelectronics : Switching

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 17, 2010
Revised Manuscript: October 3, 2010
Manuscript Accepted: October 5, 2010
Published: October 29, 2010

Citation
Xing-hai Zhao, Guang-cun Shan, Qing Yang, Bo Yang, and Yang Gao, "Optical interrupter for high peak power transfer in laser initiation systems," Appl. Opt. 49, 6189-6195 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-31-6189

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