Simple technique of coupling a diode laser into a linear power buildup cavity for Raman gas sensing

H Ge, W Kong, R Wang, G Zhao, W Ma, W Chen… - Optics Letters, 2023 - opg.optica.org
We report a novel, to the best of our knowledge, and simple technique to lock a 642? nm
multi-quantum well diode laser to an external linear power buildup cavity by directly feeding …

Temperature measurement utilizing the vibrational CARS signal from the ground level X2Σg+ of N2+ in high-temperature flames

Z Tian, H Zhao, Y Gao, H Wei, Y Tan, Y Li - Applied Physics Letters, 2023 - pubs.aip.org
We analyze the generation of the vibrational coherent anti-Stokes Raman scattering (CARS)
signal from the ground level X 2 Σ g+ of N 2+ and demonstrate the feasibility for gas-phase …

[PDF][PDF] 变压器故障特征气体光反馈频率锁定非对称线型FP 腔增强拉曼光谱检测研究

万福, 白耀天, 王锐, 朱磊, 龙英凯… - ACTA PHOTONICA …, 2024 - researching.cn
提出一种简便且高灵敏度的非对称腔镜线型FP 腔增强拉曼光谱气体检测技术,
将腔谐振光直接反馈至二极管激光器, 实现642 nm 多量子阱二极管激光器稳定锁定到外部线型 …