New Laser Crystal - Dy3+:PbGa2S4 Sep 1, 2009

Crystal shows efficient laser emission at room temperature in mid IR range at 4.3-5.5 micron wavelengths.

Physical Properties
Transmission range: 0.44-12 microns
Dy³⁺ concentration in crystal: 0.5 mol.%
Non hygroscopic

Lasing properties with free running 1.318 µm Nd:YAG laser pump

Obtained oscillation wavelengths: 4.3 µm; 4.53 µm; 4.65 µm, 5.5 µm

Absorption at pump: ~1 сm^-1

Cross-section at 4.3 mm: 1х10^-20 cm²

Lasing treshold: <20 mJ

Lasing pulse duration: <1 ms

Laser efficiency: up to 2%

Find out more information about Dy:³⁺PbGa₂S₄ here

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