Tunable single-mode pulsed Ti3+:Sapphire laser injection-seeded by a continuous-wave Cr3+:LiSrAlF6 laser |
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| Authors: | Nilesh J Vasa Kouki Morishita Husayin Parhat Tatsuo Okada Mitsuo Maeda Osamu Uchino |
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| Institution: | (1) Graduate School of Information Science and Electrical Engineering, Kyushu University, 812-81 Hakozaki, Fukuoka, Japan;(2) Meteorological Research Institute, 1-1 Nagamine, 305 Tsukuba, Ibaraki, Japan |
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| Abstract: | Spectrally pure high-power tunable single-mode operation of a pulsed Ti3+:sapphire laser by a tunable injection-seeding is reported. The injection laser was a cw diode laser pumped, spectrally narrowed
tunable Cr3+:LiSrAlF6 (Cr3+:LiSAF) laser with a grating in the auxiliary cavity. Single-mode tunable operation of a pulsed Ti3+: sapphire ring oscillator was obtained at different wavelengths in the range between 818 nm and 848 nm with a typical linewidth
of 0.006 cm-1. To extend the applicability of this operation to a differential absorption lidar system, the single-mode Ti3+:sapphire oscillator output was amplified and a high energy output of 38 mJ was obtained with the same linewidth. |
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| Keywords: | solid-state laser tunable laser injection seeding Ti3+:sapphire laser Cr3+:LiSrAlF6 laser laser radar |
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