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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 18 — Sep. 5, 2005
  • pp: 7086–7090

Pulse-off electro-optic Q-switch made of La3Ga5SiO14

Zhaojun Liu, Qingpu Wang, Xingyu Zhang, Zejin Liu, Aijian Wei, Jun Chang, Fufang Su, and Guofan Jin  »View Author Affiliations


Optics Express, Vol. 13, Issue 18, pp. 7086-7090 (2005)
http://dx.doi.org/10.1364/OPEX.13.007086


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Abstract

By theoretical calculations we search the hold-on and hold-off state of the pulse-off electro-optic (EO) Q-switch made of La3Ga5SiO14 (langasite, LGS) which exhibits both electro-optic (EO) effect and optical activity (OA), from which the proper applied voltage and orientation of LGS are determined. For the first time to our knowledge, a pulse-off EO Q-switch made of LGS is successfully designed and used in the Nd:YAG laser cavity. Q-switched pulses with energy 360 mJ and pulse width 8.3 ns are obtained, and the dynamic-static ratio is 80%.

© 2005 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3540) Lasers and laser optics : Lasers, Q-switched
(160.2100) Materials : Electro-optical materials
(160.4760) Materials : Optical properties
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Research Papers

History
Original Manuscript: August 2, 2005
Revised Manuscript: August 26, 2005
Published: September 5, 2005

Citation
Zhaojun Liu, Qingpu Wang, Xingyu Zhang, Zejin Liu, Aijian Wei, Jun Chang, Fufang Su, and Guofan Jin, "Pulse-off electro-optic Q-switch made of La3Ga5SiO14," Opt. Express 13, 7086-7090 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-18-7086


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References

  1. Yin Xin, Wang Jiyang, and Zhang Shaojun, �??La3Ga5SiO14 single-crystal Q switch used as an electro-optic device,�?? Appl. Opt. 42, 7188-7190 (2003).
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  5. Zhengping Wang, Dawei Hu, Xun Sun, et al., �??High-performance langasite (La3Ga5SiO14) electro-optic Q-switch,�?? Opt. Laser Technol. 2005, in press
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