Power scaling of mini-bar-based high-power 780-980nm pump modules at Spectra-Physics

Daming Liu; Serge Cutillas; Xu Jin; Sang-Ki Park; Kelly Johnson; Hanxuan Li; Tom Truchan; Ed Wolak; Terry Towe; Irving Chyr; Robert Miller; Arne Meissner; Dino Lenarduzzi; Robert Bullock; Jeff Mott; James Harrison

doi:10.1117/12.809862

23 February 2009 Power scaling of mini-bar-based high-power 780-980nm pump modules at Spectra-Physics

Daming Liu, Serge Cutillas, Xu Jin, Sang-Ki Park, Kelly Johnson, Hanxuan Li, Tom Truchan, Ed Wolak, Terry Towe, Irving Chyr, Robert Miller, Arne Meissner, Dino Lenarduzzi, Robert Bullock, Jeff Mott, James Harrison

Author Affiliations +

Proceedings Volume 7198, High-Power Diode Laser Technology and Applications VII; 71981J (2009) https://doi.org/10.1117/12.809862
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

Continued advances in high power diode laser technology enable new applications and enhance existing ones. Recently, mini-bar based modules have been demonstrated which combine the advantages of independent emitter failures previously shown in single-stripe architectures with the improved brightness retention enabled by multi-stripe architectures. In this work we highlight advances in a family of compact, environmentally rugged mini-bar based fiber coupled Orion modules. Advances in PCE (power conversion efficiency) and reliable operating power from a 9xx nm wavelength unit are shown from such modules. Additionally, highly reliable fiber coupled operation and performance data is demonstrated in other wavelengths in the 780 - 980 nm range. Data demonstrating the scaling this technology to 25W and higher power levels will be given.

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Daming Liu, Serge Cutillas, Xu Jin, Sang-Ki Park, Kelly Johnson, Hanxuan Li, Tom Truchan, Ed Wolak, Terry Towe, Irving Chyr, Robert Miller, Arne Meissner, Dino Lenarduzzi, Robert Bullock, Jeff Mott, and James Harrison "Power scaling of mini-bar-based high-power 780-980nm pump modules at Spectra-Physics", Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71981J (23 February 2009); https://doi.org/10.1117/12.809862

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KEYWORDS

Fiber couplers

Reliability

Semiconductor lasers

Fiber coupled lasers

Laser applications

Diodes

Fiber lasers

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