Chromium-sensitized rare-earth garnet lasers

G. Huber; E. W. Duczynski; P. Mitzscherlich

doi:10.1364/ILS.1986.THE1

International Laser Science Conference
Technical Digest Series (Optica Publishing Group, 1986),
paper THE1
•https://doi.org/10.1364/ILS.1986.THE1

Chromium-sensitized rare-earth garnet lasers

G. Huber, E. W. Duczynski, and P. Mitzscherlich

International Laser Science Conference 1986

Seattle, Washington United States
21–25 October 1986
ISBN:

From the session
Symposium on Novel Solid-State Lasers: 1 (THE)

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G. Huber, E. W. Duczynski, and P. Mitzscherlich, "Chromium-sensitized rare-earth garnet lasers," in International Laser Science Conference, Technical Digest Series (Optica Publishing Group, 1986), paper THE1.

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Abstract

Cr-doped garnets such as YSAG and YSGG emit broadband Cr fluorescence in the near-infrared spectral region. Due to a resonant dipole-dipole interaction between Cr³⁺ and rare earth ions like Nd³⁺, Tm³⁺, and Ho³⁺, efficient nonradiative transfer can be achieved in such Cr-sensitized systems. Even Cr³⁺ in YAG with a rather narrowband emission at a strong crystal field site can be used to sensitize especially Tm³⁺ because of the overlap between the Cr emission and Tm absorption in YAG.

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