Studies on simultaneous dual wavelength operation at 912.2nm and 914nm from dual gain diode-pumped Nd3+ doped vanadate laser

Singh, Amarjeet; Sharma, Sunil; Gupta, P. K.; Mukhopadhyay, P. K.; Bindra, K. S.; Oak, S. M.

doi:10.1016/j.optlastec.2014.05.025

Optics & Laser Technology

2014

DOI: 10.1016/j.optlastec.2014.05.025

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Studies on simultaneous dual wavelength operation at 912.2nm and 914nm from dual gain diode-pumped Nd3+ doped vanadate laser

Amarjeet Singh

Sunil Sharma

P. K. Gupta

et al.

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Cited by 4 publications

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Synchronized dual tunable wavelength Q-switched Nd:Glass laser

Men¹,

Liu²,

Zhang³

et al. 2014

Opt. Express

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A flash-lamp pumped electro-optically Q-switched dual tunable wavelength Nd:Glass laser is demonstrated. An Nd:Glass rod was selected as the laser medium and a DKDP crystal was employed as the Q-switch. A cubic polarizer was placed in the cavity to divide the randomly polarized radiation into two orthogonally polarized beams. The two beams were tuned by two Littman-gratings and output independently. For Q-switched operation, the tuning range was 1050.1 - 1061.6 nm and 1050.5 - 1060.2 nm for the horizontal and vertical polarizations, respectively. When the horizontally polarized output was fixed at 1059.1 nm, the synchronized vertically polarized one can be tuned from 1051.5 to 1057.5 nm.

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Synchronized dual tunable wavelength Q-switched Nd:Glass laser

Men¹,

Liu²,

Zhang³

et al. 2014

Opt. Express

View full text Add to dashboard Cite

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Diode-pumped orthogonally polarized self-mode-locked Nd:YLF lasers subject to gain competition and thermal lensing effect

Liang

2017

Opt. Express

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The stable condition for π-polarization emission in an a-cut Nd:YLF laser is numerical analyzed to find the critical pump power for generating the orthogonally polarized emission. With the numerical analysis, an orthogonally polarized SML lasers at wavelength of 1047 nm and 1053 nm is experimentally achieved in a simple concave-plano cavity without any additional optical element. It is experimentally observed that the polarization switching and coexistence was successfully demonstrated by introducing gain competition and anisotropic thermal lens effect. In the orthogonal polarization mode-locked operation, the pulse durations are found to be 19.1 and 18.8 ps for π- and σ-polarization with pulse repetition rates of 3.85 and 3.89 GHz, respectively.

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Compact dual-crystal Tm,Ho:YLF laser with balanced orthogonal polarization output power

et al. 2021

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The compact dual-crystal orthogonally polarized Tm,Ho:YLF laser with balanced orthogonal polarization output power was reported for the first time, to the best of our knowledge. Two pieces of a-cut Tm,Ho:YLF crystals were placed compactly with their c-axis perpendicular. The maximum multimode total output power of 460 mW was obtained with the slope efficiency of 28.2%, and the M2 factor value was measured to be 1.07. By adjusting the pump focus position along the optical axis in the process of changing pump power, the balanced output powers in the two orthogonal polarization directions were successfully achieved, and the maximum output powers of the P-polarization and S-polarization states were both 215 mW. Inserting two uncoated solid state etalons into the resonator, the dual-wavelength single-longitudinal-mode laser with orthogonal polarization was obtained. The output powers at P-polarized 2052.1 nm and S-polarized2065 nm were 71mW and 62mW, respectively, and the M2 factor was 1.26. The orthogonally polarized dual-wavelength laser at 2 µm can be used as a seed laser for differential absorption lidars and coherent THz wave generation.

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Studies on simultaneous dual wavelength operation at 912.2nm and 914nm from dual gain diode-pumped Nd3+ doped vanadate laser

Cited by 4 publications

References 20 publications

Synchronized dual tunable wavelength Q-switched Nd:Glass laser

Synchronized dual tunable wavelength Q-switched Nd:Glass laser

Diode-pumped orthogonally polarized self-mode-locked Nd:YLF lasers subject to gain competition and thermal lensing effect

Compact dual-crystal Tm,Ho:YLF laser with balanced orthogonal polarization output power

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