February 2018
Spotlight Summary by Andrey Kuzmin
Active frequency matching in stimulated Brillouin amplification for production of a 2.4 J, 200 ps laser pulse
Optical pulse compression by backward Brillouin scattering, produced by the coupling between light and sound, has been widely used for decades. This technique offers an attractive method for energy delivery from a pump pulse to a short seed pulse with a high efficiency compression ratio through the acoustic wave in the Brillouin active medium.
In the paper by Yuan et al., frequency matching Brillouin amplification in high-power solid-state laser systems is proposed. In a non-collinear Brillouin interaction design, an exact frequency shift of a Stokes seed is allowed to achieve the highest level of energy extraction. By tuning the Stokes wave wavelength, the authors showed that, in the optimal frequency shift conditions, laser pulses of 200 ps @ 2.4 J were produced, which is an excellent result for pulse compression.
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In the paper by Yuan et al., frequency matching Brillouin amplification in high-power solid-state laser systems is proposed. In a non-collinear Brillouin interaction design, an exact frequency shift of a Stokes seed is allowed to achieve the highest level of energy extraction. By tuning the Stokes wave wavelength, the authors showed that, in the optimal frequency shift conditions, laser pulses of 200 ps @ 2.4 J were produced, which is an excellent result for pulse compression.
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Article Information
Active frequency matching in stimulated Brillouin amplification for production of a 2.4 J, 200 ps laser pulse
Hang Yuan, Yulei Wang, Zhiwei Lu, and Zhenxing Zheng
Opt. Lett. 43(3) 511-514 (2018) View: HTML | PDF