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2007•Chinese Journal of LasersRequires access

Laser-Diode Pumped All-Solid-State Continuous-Wave Ultraviolet Laser at 355 nm

Fengdong Zhang

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Abstract

A laser-diode pumped all-solid-state 355 nm continuous-wave ultraviolet laser with intra-cavity tripling and efficient output was achieved by cavity design optimization.Ultraviolet laser at 355 nm is obtained by using a doubly cavity,and type-Ⅰ critical phase matching BIBO crystal for intra-cavity sum frequency mixing.With incident pump power of 20 W in Nd∶YAG and 8 W in Nd∶YVO4,TEM00 mode ultraviolet laser at 355 nm of 114 mW is obtained at last,corresponding to an optical-to-optical efficiency of 0.4%,and the power stability in 4 h is better than ±3.2%.

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What this paper is about

A laser-diode pumped all-solid-state 355 nm continuous-wave ultraviolet laser with intra-cavity tripling and efficient output was achieved by cavity design optimization.Ultraviolet laser at 355 nm is obtained by using a doubly cavity,and type-Ⅰ critical phase matching BIBO crystal for intra-cavity sum frequency mixing.With incident pump power of 20 W in Nd∶YAG and 8 W in Nd∶YVO4,TEM00 mode ultraviolet laser at 355 nm of 114 mW is obtained at last,corresponding to an optical-to-optical efficiency of 0.4%,and the power stability in 4 h is better than ±3.2%.

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Available abstract

A laser-diode pumped all-solid-state 355 nm continuous-wave ultraviolet laser with intra-cavity tripling and efficient output was achieved by cavity design optimization.Ultraviolet laser at 355 nm is obtained by using a doubly cavity,and type-Ⅰ critical phase matching BIBO crystal for intra-cavity sum frequency mixing.With incident pump power of 20 W in Nd∶YAG and 8 W in Nd∶YVO4,TEM00 mode ultraviolet laser at 355 nm of 114 mW is obtained at last,corresponding to an optical-to-optical efficiency of 0.4%,and the power stability in 4 h is better than ±3.2%.

Key concepts: Materials science, Ultraviolet, Laser, Optics, Continuous wave, BIBO stability, Optoelectronics, Diode

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