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Experimental and Numerical Investigation of Single Frequency Amplifier with Photonic Bandgap Fiber at 1178 nm 下载免费PDF全文
A single frequency photonic bandgap fiber amplifier at 11 78nm is iuvestigated experimentally and numerically.With a pump power of 81 W, a single frequency 1178nm fiber laser of 10.3 W is obtained with a 3 W seed laser and a 20m gain fiber. Numerical simulation is conducted with a rate equation model taking amplified spontaneous emission and stimulated Brillouin scattering (SBS) into consideration. Temperature distribution along the fiber is applied for SBS suppression, more than 50 W single frequeney fiber laser at 1178 nm is predicted theoreticall.v with a 5 W seed laser and a 40m long gain fiber with five temperature steps. 相似文献
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