D Zhi, T Hou, P Ma, Y Ma, P Zhou, R Tao… - High Power Laser …, 2019 - cambridge.org
… For the tiled aperture CBC system, by locking the phase of the beam array with a difference of integral multiples of 2π, the array beams compose a whole plane-like beam, and the …
I Attia, E Wohlgemuth, D Sadot - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
… If both the LO and the signal are smeared similarly, they can still be coherentlycombined … , coherent addition has been used before to compensate for dispersion in MHCD systems [25], […
I Fsaifes, L Daniault, S Bellanger, M Veinhard… - Optics …, 2020 - opg.optica.org
We report on the coherent beam combining of 61 femtosecond fiber chirped-pulse amplifiers in a tiled-aperture configuration along with an interferometric phase measurement …
H Tünnermann, A Shirakawa - Optics express, 2019 - opg.optica.org
… When applying machine learning techniques to coherent beam combination, we need to be … in this experiment we used a single frequency seed instead of the mode locked laser. The …
T Hou, Y An, Q Chang, P Ma, J Li, D Zhi… - High Power Laser …, 2019 - cambridge.org
… the combined beam collected by the CCD located at the non-focal-plane is sent to an FPGA controller carrying a well-trained CNN to estimate the phase error of the CBC system… locking. …
H Chang, Q Chang, J Xi, T Hou, R Su, P Ma… - Photonics …, 2020 - opg.optica.org
… of fiber lasers, many phase-locking methods have been used for the … In 2006, 48 fiber lasers were coherentlycombined by an … In 2020, 61 fs fiber lasers were coherentlycombined by an …
P Ma, H Chang, Y Ma, R Su, Y Qi, J Wu, C Li… - Optics & Laser …, 2021 - Elsevier
… the phase control and coherentlycombining of a high-power, … of ~1.15 kW are coherently combined by the stochastic parallel … than coherent length, it will make phase-locking harder due …
… The function of coherentcombining efficiency loss versus piston phase error is [21]: … The controller random-walks the system into locking range in a few steps, before reaching near-…
Y Geng, H Zhou, X Han, W Cui, Q Zhang, B Liu… - Nature …, 2022 - nature.com
… coherent detection with minimized optical and electrical compensations. Here, via pump laser conveying and two-point locking… C Tx (17) are combined using an optical coupler and sent …