Energy Transfer (Tm→Ho) and Upconversion Processes in YSGG:Cr3+:Tm3+:Ho3+ Laser Crystals

Noginov, M. A.; Semenkov, S. G.; Щербаков, И. А.; Smirnov, Valerii A; Zubenko, D. A.

doi:10.1364/assl.1991.mil5

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Q-switching of a Tm,Ho:KLu(WO₄)₂microchip laser by a graphene-based saturable absorber

et al. 2015

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The first Ho microchip laser passively Q-switched using a graphene-based saturable absorber is demonstrated based on a Tm,Ho:KLu(WO4)2 crystal cut along the Ng-axis. A maximum average output power of 74 mW is extracted from the diode-pumped laser at 2061 nm with a slope efficiency of 4%. Pulses as short as 200 ns with an energy of ~0.2 μJ are obtained at a repetition rate of 340 kHz. The energy transfer (ET), 3F4 (Tm3+) ↔ 5I7 (Ho3+) is studied, yielding ET parameters of P28 = 1.69 and P71 = 0.15 × 10−22 cm3 μs−1, revealing the strong prevalence of direct ET.

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Q-switching of a Tm,Ho:KLu(WO₄)₂microchip laser by a graphene-based saturable absorber

et al. 2015

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New Upconversion Effects in RE3+ -Doped Laser Media

Cassanho

Jenssen

Noginov

et al. 1992

Advanced Solid State Lasers

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Energy Transfer (Tm→Ho) and Upconversion Processes in YSGG:Cr3+:Tm3+:Ho3+ Laser Crystals

Cited by 2 publications

References 2 publications

Q-switching of a Tm,Ho:KLu(WO₄)₂microchip laser by a graphene-based saturable absorber

Q-switching of a Tm,Ho:KLu(WO₄)₂microchip laser by a graphene-based saturable absorber

New Upconversion Effects in RE3+ -Doped Laser Media

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Energy Transfer (Tm→Ho) and Upconversion Processes in YSGG:Cr3+:Tm3+:Ho3+ Laser Crystals

Cited by 2 publications

References 2 publications

Q-switching of a Tm,Ho:KLu(WO4)2microchip laser by a graphene-based saturable absorber

Q-switching of a Tm,Ho:KLu(WO4)2microchip laser by a graphene-based saturable absorber

New Upconversion Effects in RE3+ -Doped Laser Media

Contact Info

Product

Resources

About

Q-switching of a Tm,Ho:KLu(WO₄)₂microchip laser by a graphene-based saturable absorber

Q-switching of a Tm,Ho:KLu(WO₄)₂microchip laser by a graphene-based saturable absorber