Rectangular prism folded cavity

Near-diffraction-limited beam quality

By synergistically using a rectangular prism and mirrors to achieve eight passes within a compact cavity, it enhances mode selectivity while delivering high power and high beam quality for mid-infrared lasers.

Xiangyu, Jiang · Chen, Xinyu · Jing, Zhang · Liu, Jingliang · Yu, Yongji · Jin, Guangyong

Infrared Physics and Technology 2026

Specifications

泵浦功率

{'zh': '90', 'en': ''} W

斜率效率

{'zh': '27.6', 'en': ''} %

Advantages

Fast axis beam quality My² = 1.59

Slow axis beam quality Mx² = 1.68