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Short wave ultraviolet all solid-state coherent light sources have the characteristics of strong photon energy, practicality and precision, and high spectral resolution. They have significant application value in laser precision processing, information communication, cutting-edge science, and aerospace fields.The core component of obtaining all solid-state shortwave ultraviolet lasers is nonlinear...
Recently, the High Power Laser Physics Joint Laboratory of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, proposed a single exposure interferometric calibration method for large aperture diffractive lenses, which provides strong support for the engineering application of large aperture diffractive lenses. The relevant achievements are published in Optics Letters as "...
Lithium batteries are highly favored in the fields of 3C digital and new energy vehicles due to their high energy density, environmental characteristics, and fast charging and discharging. Welding, as a crucial link in the manufacturing process of lithium batteries, has a decisive impact on battery performance and quality. Laser welding technology is increasingly playing an important role in the l...
High power optical frequency combs play a crucial role in nonlinear precision spectroscopy, extreme ultraviolet optical frequency comb generation, nuclear atomic clock research, and other fields. Fiber optic femtosecond lasers are the preferred solution for achieving high power optical frequency combs due to their simple structure, stable performance, and easy amplification. However, due to the un...
Recently, the team led by Professor Lv Zhiwei and Professor Bai Zhenxu from Hebei University of Technology, in collaboration with Professor Richard Mildren from Macquarie University in Australia and Professor Takashige Omatsu from Chiba University in Japan, successfully achieved direct output of Raman vortex optical rotation with large wavelength extension in a diamond Raman laser oscillator. This...