Self-sum- and -difference-frequency mixing in GdAl3(BO3)4:Nd3+ for generation of tunable ultraviolet and infrared radiation
Optics Letters, Vol. 27, Issue 4, pp. 240-242 (2002)
http://dx.doi.org/10.1364/OL.27.000240
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Abstract
We exploited Nd3+ laser emission at 1061.9 nm (4F3/2→4I11/2 channel) in a self-χ(2) active GdAl3(BO3)4:Nd3+ laser crystal. UV radiation was obtained from a 1.8% yield from self-sum-frequency mixing: 1/pump + 1/1061.9 = 1/UV, during pumping in the Nd3+ 4G5/2–2G7/2 levels near 588 nm. The UV tunability had a range of 378–382 nm. We have demonstrated, for the first time to our knowledge, generation of coherent IR radiation from a self-difference-frequency mixing laser: 1/pump - 1/1061.9 = 1/IR. We got a 0.5% yield and tunability in the 1305–1365-nm range.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.7300) Lasers and laser optics : Visible lasers
(160.3380) Materials : Laser materials
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(300.0300) Spectroscopy : Spectroscopy
Citation
Alain Brenier, Chaoyang Tu, Jianfu Li, Zhaojie Zhu, and Baichang Wu, "Self-sum- and -difference-frequency mixing in GdAl3(BO3)4:Nd3+ for generation of tunable ultraviolet and infrared radiation," Opt. Lett. 27, 240-242 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-4-240
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