Efficient high-power operation at 1.44 um of Nd-doped crystals

Norman Hodgson; Douglas J. Golding; Dietmar B. Eisel

doi:10.1117/12.184607

16 August 1994 Efficient high-power operation at 1.44 um of Nd-doped crystals

Norman Hodgson, Douglas J. Golding, Dietmar B. Eisel

Proceedings Volume 2206, High-Power Gas and Solid State Lasers; (1994) https://doi.org/10.1117/12.184607
Event: Europto High Power Lasers and Laser Applications V, 1994, Vienna, Austria

Abstract

Efficient laser emission of flashlamp pumped Nd:YAG and Nd:YAP rods at a wavelength of 1.444 micrometers (1.434 micrometers ) is reported. This wavelength is of particular interest for medical applications due to the high water absorption coefficient of 26 cm^-1. A maximum average output power of 100 W at pulse energies of 5.5 J and overall efficiencies of 1.3% was achieved. The 1.444 micrometers performance as well as the output characteristics at 1.064 micrometers and 1.32 micrometers of Nd:YAG were investigated for different pump cavity reflectance materials and spectral filters as a function of doping concentration and rod diameter. The physical properties of the 1.444 micrometers emission line are discussed.

Citation Download Citation

Norman Hodgson, Douglas J. Golding, and Dietmar B. Eisel "Efficient high-power operation at 1.44 um of Nd-doped crystals", Proc. SPIE 2206, High-Power Gas and Solid State Lasers, (16 August 1994); https://doi.org/10.1117/12.184607

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