High-power regenerative amplifier based on dual-crystal Yb:CALGO configuration
收藏DataCite Commons2025-04-27 更新2025-04-16 收录
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We demonstrated a high average power dual-crystal Yb:CALGO regenerative amplifier(RA) operated in TEM00 mode. The dual-crystal configuration effectively mitigated thermal effects and enabled a continuous output power of 42.5 W at a pump power of 160 W with the central wavelength of 1054 nm. During regenerative amplification, an amplified output power of 38 W was obtained at repetition rates ranging from 50 to 200 kHz, the central wavelength of 1043 nm while a compressed pulse width of 290.8 fs. Benefiting from effective thermal management and the design of the thermally insensitive cavity, a near-diffraction-limited beam quality was measured to be =1.11 and =1.11 at the highest output power.
提供机构：
Science Data Bank
创建时间：
2025-04-10
