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Proceedings Article

A high power high-brightness multi-single-emitter laser pump platform

[+] Author Affiliations
Xiangdong Qiu, YuZhong Dai, Michael Au, James Guo, Vince Wong, Victor Rossin, David Venables, Jay Skidmore, Erik Zucker

JDSU (USA)

Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71980Z (February 23, 2009); doi:10.1117/12.809671
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From Conference Volume 7198

  • High-Power Diode Laser Technology and Applications VII
  • Mark S. Zediker
  • San Jose, CA | January 24, 2009

abstract

A platform has been developed for high-power, high-brightness, multi-single-emitter laser pumps for fiber lasers, directdiode, and other applications. Using multi-mode fiber with 105μm core and 0.22 NA, fiber-coupled optical power up to 100 Watts and a brightness as high as 100 kW/mm2/sr can be achieved. Common schemes for increasing brightness include spatial, wavelength, and polarization-beam combination of multiple single-emitters. Spatial multiplexing has been chosen for this platform to leverage JDSU's proven reliability of highpower single-emitter packages and passive optical components. In one configuration, we achieved >60W fiber coupled optical power, 50 kW/mm2/sr, and 45% wall-plug-efficiency using 105 μm core, 0.22 NA fiber from this platform. An optional VBG can also be placed inside the package for achieving spectral locking over a 16 nm wavelength range.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Xiangdong Qiu ; YuZhong Dai ; Michael Au ; James Guo ; Vince Wong, et al.
"A high power high-brightness multi-single-emitter laser pump platform", Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71980Z (February 23, 2009); doi:10.1117/12.809671; http://dx.doi.org/10.1117/12.809671


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