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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper CMB1

Low threshold operation of an upconversion Tm:ZBLAN-fiber blue laser by using a novel pumping scheme

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Upconversion lasing in rare-earth-ion-doped fibers is attractive for light sources in the short-visible-wavelength region. For compact devices, direct pumping by laser diodes (LDs) is highly desired. Room-temperature cw upconversion lasing at 0.48 μm in Tm-doped fluorozirconate (ZBLAN) fibers has been previously reported.1,2 Upconversion lasing was achieved by using as the pump light source a 1.12-μm solid-state laser pumped by a watt-order high-power LD.

© 1995 Optical Society of America

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