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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 14 — Jul. 15, 2006
  • pp: 2175–2177

Simultaneous three-photon-excited violet upconversion luminescence of Ce 3 + : Lu 2 Si 2 O 7 single crystals by femtosecond laser irradiation

Yongjun Dong, Jun Xu, Guangjun Zhao, Chenfeng Yan, Guoqing Zhou, Liangbi Su, Luyun Yang, Jianrong Qiu, Lihuang Lin, Xiaoyan Liang, Ruxin Li, Zhizhan Xu, and Qiushi Ren  »View Author Affiliations


Optics Letters, Vol. 31, Issue 14, pp. 2175-2177 (2006)
http://dx.doi.org/10.1364/OL.31.002175


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Abstract

We found that Ce 3 + : Lu 2 Si 2 O 7 single crystals could be excited at 800 nm by using a femtosecond Ti:sapphire laser. The emission spectra of Ce 3 + : Lu 2 Si 2 O 7 crystals were the same for one-photon excitation at 267 nm as for excitation at 800 nm . The emission intensity of Ce 3 + : Lu 2 Si 2 O 7 crystals was found to depend on the cube of the laser power at 800 nm , consistent with simultaneous absorption of three 800 nm photons. The measured value of the three-photon absorption cross section is σ 3 = 2.44 × 10 77 cm 6 s 2 .

© 2006 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(190.4180) Nonlinear optics : Multiphoton processes
(190.7220) Nonlinear optics : Upconversion
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 23, 2006
Revised Manuscript: April 14, 2006
Manuscript Accepted: April 19, 2006

Citation
Yongjun Dong, Jun Xu, Guangjun Zhao, Chenfeng Yan, Guoqing Zhou, Liangbi Su, Luyun Yang, Jianrong Qiu, Lihuang Lin, Xiaoyan Liang, Ruxin Li, Zhizhan Xu, and Qiushi Ren, "Simultaneous three-photon-excited violet upconversion luminescence of Ce3+:Lu2Si2O7 single crystals by femtosecond laser irradiation," Opt. Lett. 31, 2175-2177 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-14-2175


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