Diode-Pumped Ho-Doped KLu(WO₄)₂ Laser at 2.08 μm

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概要

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• We report on the efficient continuous-wave diode-pumped laser operation of Ho in the monoclinic KLu(WO₄)₂ crystal at ${\sim}2080$ nm, resonantly pumped at a wavelength of ${\sim}1941$ nm by a fiber-coupled GaSb diode stack. A maximum output power of 408 mW and a slope efficiency of 54.5% with respect to the absorbed pump power were achieved. A comparison of the laser performance within the Ho-doped KRE(WO₄)₂ (Ho:KRE(WO₄)₂) family of monoclinic crystals showed a slightly superior performance of Ho:KY(WO₄)₂, achieving a maximum output power of 438 mW and a slope efficiency of 58.8% under identical conditions.

• 2011-07-25

著者

• PETROV Valentin

  Max-Bom Institute

• GRIEBNER Uwe

  Max-Born-Institut

• MATEOS Xavier

  Fisica I Cristal-lografia de Materials I Nanomaterials (FiCMA-FiCNA-EMAS), Universitat Rovira I Virgili

• DIAZ Francesc

  Fisica I Cristal-lografia de Materials I Nanomaterials (FiCMA-FiCNA-EMAS), Universitat Rovira I Virgili

• PUJOL Maria

  Fisica i Cristallografia de Materials i Nanomaterials (FiCMA-FiCNA-EMAS), Universitat Rovira i Virgili (URV)

• CARVAJAL Joan

  Fisica i Cristallografia de Materials i Nanomaterials (FiCMA-FiCNA-EMAS), Universitat Rovira i Virgili (URV)

• JAMBUNATHAN Venkatesan

  Fisica i Cristallografia de Materials i Nanomaterials (FiCMA-FiCNA-EMAS), Universitat Rovira i Virgili (URV)

• Aguiló Magdalena

  Física i Cristallografía de Materials i Nanomaterials (FiCMA-FiCNA-EMAS), Universitat Rovira i Virgili (URV), Campus Sescelades c/Marcellí Domingo, s/n, E-43007 Tarragona, Spain

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