A solid state laser device made from a nonlinear optic quaternary alloy of Silver, Gallium, Selenium and Tellurium semiconductor material or Silver, Gallium, Sulfur and Tellurium semiconductor material. The Tellurium component in each alloy provides quaternary alloying anion modification of an underlying...http://www.google.de/patents/US6304583?utm_source=gb-gplus-sharePatent US6304583 - Utilization of telluride quaternary nonlinear optic materials
