Advances in fiber combined pump modules for fiber lasers

Trevor Crum; Oscar Romero; Hanxuan Li; Xu Jin; Terry Towe; Irving Chyr; Tom Truchan; Daming Liu; Serge Cutillas; Kelly Johnson; Sang-Ki Park; Ed Wolak; Robert Miller; Robert Bullock; Jeff Mott; Bernard Fidric; James Harrison

doi:10.1117/12.809876

23 February 2009 Advances in fiber combined pump modules for fiber lasers

Trevor Crum, Oscar Romero, Hanxuan Li, Xu Jin, Terry Towe, Irving Chyr, Tom Truchan, Daming Liu, Serge Cutillas, Kelly Johnson, Sang-Ki Park, Ed Wolak, Robert Miller, Robert Bullock, Jeff Mott, Bernard Fidric, James Harrison

Author Affiliations +

Proceedings Volume 7198, High-Power Diode Laser Technology and Applications VII; 71980V (2009) https://doi.org/10.1117/12.809876
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

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.

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Trevor Crum, Oscar Romero, Hanxuan Li, Xu Jin, Terry Towe, Irving Chyr, Tom Truchan, Daming Liu, Serge Cutillas, Kelly Johnson, Sang-Ki Park, Ed Wolak, Robert Miller, Robert Bullock, Jeff Mott, Bernard Fidric, and 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); https://doi.org/10.1117/12.809876

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