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Cascaded Mode-Locked Nd:YVO<sub>4</sub> Laser Using MgO Doped Periodically-Poled LiNbO<sub>3</sub> With Direct In-Band Diode Pumping at 914 nm
oleh: Tin-Yu Yang, Yuan-Yao Lin, Shou-Tai Lin, An-Chung Chiang
Format: | Article |
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Diterbitkan: | IEEE 2022-01-01 |
Deskripsi
We report a cascaded mode-locked Nd:YVO<sub>4</sub> laser at 1064 nm with direct in-band pumping at 914 nm. A 25-mm-long MgO doped periodically-poled LiNbO<sub>3</sub> crystal was used to produce mode-locked laser pulses. A volume Bragg grating was used to manipulate the output spectrum of the laser. In the positive Kerr-lens scheme, the output power was 3.81 W at 166.8-MHz repetition rate. In the negative Kerr-lens scheme, the output power was 4.81 W at 108.6-MHz repetition rate. Typical pulse duration and the full-width-at-half-maximum spectral width were 35 ps and 0.05 nm, respectively, yielding a time-bandwidth product of 0.5.