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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 10 — May. 12, 2008
  • pp: 6768–6773

Ion exchange in KTiOPO4 crystals irradiated by Copper and Hydrogen ions

Ruifeng zhang, Fei Lu, Jie Lian, Hanping Liu, Xiangzhi Liu, Qingming Lu, and Hongji Ma  »View Author Affiliations


Optics Express, Vol. 16, Issue 10, pp. 6768-6773 (2008)
http://dx.doi.org/10.1364/OE.16.006768


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Abstract

Cs+-K+ ion exchanges were produced on KTiOPO4 crystals which is prior irradiated by Cu+ can H+ ions. The energy and dose of implanted Cu+ ions are 1.5 MeV and 0.5×1014 ions/cm2, and that of H+ are 300 keV and 1×1016 ions/cm2, respectively. The temperature of ions exchange is 430°C, and the time range from 15 minutes to 30 minutes. The prism coupling method is used to measure the dark mode spectra of the samples. Compared with results of ion exchange on the sample without irradiations, both the number of guided mode and its corresponding effective refractive index are decreased. The experimental results indicate that the ion exchange rate closely related with the lattice damage and the damage layers formed in the depth of maximum nuclear energy deposition act as a barrier to block the ions diffuse into the sample and the concentration of defects can modify the speed of ion exchange.

© 2008 Optical Society of America

OCIS Codes
(160.3130) Materials : Integrated optics materials
(160.4330) Materials : Nonlinear optical materials
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Materials

History
Original Manuscript: December 21, 2007
Revised Manuscript: March 10, 2008
Manuscript Accepted: April 14, 2008
Published: April 28, 2008

Citation
Ruifeng Zhang, Fei Lu, Jie Lian, Hanping Liu, Xiangzhi Liu, Qingming Lu, and Hongji Ma, "Ion exchange in KTiOPO4 crystals irradiated by Copper and Hydrogen ions," Opt. Express 16, 6768-6773 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-10-6768


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