23 February 2009 Advances in fiber combined pump modules for fiber lasers
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Fiber combining multiple pump sources for fiber lasers has enabled the thermal and reliability advantages of distributed architectures. Recently, mini-bar based modules have been demonstrated which combine the advantages of independent emitter failures previously shown in single-stripe pumps with improved brightness retention yielding over 2 MW/cm2Sr in compact economic modules. In this work multiple fiber-coupled mini-bars are fiber combined to yield an output of over 400 W with a brightness exceeding 1 MW/cm2Sr in an economic, low loss architecture.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Trevor Crum, Trevor Crum, Oscar Romero, Oscar Romero, Hanxuan Li, Hanxuan Li, Xu Jin, Xu Jin, Terry Towe, Terry Towe, Irving Chyr, Irving Chyr, Tom Truchan, Tom Truchan, Daming Liu, Daming Liu, Serge Cutillas, Serge Cutillas, Kelly Johnson, Kelly Johnson, Sang-Ki Park, Sang-Ki Park, Ed Wolak, Ed Wolak, Robert Miller, Robert Miller, Robert Bullock, Robert Bullock, Jeff Mott, Jeff Mott, Bernard Fidric, Bernard Fidric, James Harrison, James Harrison, } "Advances in fiber combined pump modules for fiber lasers", Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71980V (23 February 2009); doi: 10.1117/12.809876; https://doi.org/10.1117/12.809876


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