WebApr 21, 2024 · Here, we report dual-comb photothermal spectroscopy (DC-PTS) by passing dual combs and a probe laser through a gas-filled anti-resonant hollow-core fiber, where the generated multi-heterodyne ...
Mode-phase-difference photothermal spectroscopy for gas ... - Nature
WebApr 10, 2024 · High repetition pump-and-probe photoemission spectroscopy based on a compact fiber laser system. Y. Ishida, T. Otsu, A. Ozawa, K. Yaji, S. Tani, S. Shin and Y. Kobayashi. ... (Ar) gas. The 800 nm pulses are focused into the fiber using a 1 m focal length plano-convex lens. The beam diameter at the lens’s position is 10 mm. At the HCF ... WebMar 26, 2010 · Intracavity absorption spectroscopy with a broadband Er 3+-doped fiber laser is applied for the measurements of several molecular species revealing quantitative information about the gas concentration, temperature and chemical reactions in flames.The spectral range of measurements extends from 6200 cm −1 to 6550 cm −1 with the … gaslighting a form of abuse
Multiwavelength fiber laser sources with 60 GHz Brillouin …
WebApr 7, 2024 · The state-of-the-art of mid-IR laser absorption spectroscopy is reviewed to take advantage of the stronger absorption lines. The properties of mid-IR diode lasers are discussed, including quantum well, inter-band cascade and quantum cascade lasers for gas sensing at wavelengths beyond two microns. WebFor High-Speed Gas Analysis. PbS/PbSe photodetectors from LASER COMPONENTS offer superior detectivity for a wide range of system requirements — tailored to your application. Made in the U.S., they come in various active areas and TO package styles with 1- or 2-stage thermoelectric coolers: PbS (1 to 3.3 μm) — best price/performance ratio ... WebNov 10, 2024 · If the gas is reactive, it can change the properties of the metal being cut. Reactive gases are recommended when edge quality is not important. Nonreactive assist … gaslighting a friend