supported by the National Science and Technology Major Project(No.2010ZX04013);the National"863"Program of China(No.2011AA030201);the Shanghai Rising-Star Program(No.09QB1401700);the Natural Science Foundation of Shanghai(No.102R1433600);the National Natural Science Foundation of China(No.60908011)
The maximum output power of fiber lasers limited by the thermal degradation of double-clad fiber coatings is theoretically simulated. We investigated the thermal effects on high-power continuous wave (CW) fiber lase...
Supported by the National Science and Technology Major Project(No 2010ZX04013);the National High Technology Research and Development Program of China under Grant No 2011AA030201,the Shanghai Rising-Star Program(No 09QB1401700);the Natural Science Foundation(No 60908011)。
In order to increase the power fraction of the central lobe in the coherent beam combination of lasers in an array,the effects of the distance factor of near-field distribution on far-field interference patterns are c...
supported by the National Natural Science Foundation of China (No.60908011);the National High Technology Research and Development Program of China (No.2011AA030201);the Shanghai "Phosphor"Science Foundation,China (No.09QB1401700);the National Science and Technology Major Project (No.2010ZX04013)
Array size scaling of passive coherent beam combination is explored theoretically. The Strehl ratio variation with wavelength is simulated in 4-, 9-, 16-, and 25-channel fiber arrays. The average Strehl ratio and phas...
supported by the Shanghai Rising Star Program (No. 09QB1401700);the National Natural Science Foundation of China (No. 60908011);the National High Technology Research and Development Program of China (No. 2008AA03Z405);the National Science and Technology Major Project and the CAS/SAFEA International Partnership Program for Creative Research Teams (No. 2010ZX04013)
We report a 1 018-nm ytterbium-doped double-clad fiber laser pumped by 970-nm diode. A pair of fiber Bragg gratings with refiectivities of 99.970 and 9% at a center wavelength of 1 018.9 nm are employed as cavity mirr...