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CW laser emission on the quasi 3-level (4F3/2→4I9/2) transition in Nd:GGG is reported for different pump focusing and resonator dimensions. A nearly hemispherical plano-concave resonator led at 937.3 nm to a maximum output power of 4.1 W for an incident pump power of 21.7 W, thus corresponding to a slope efficiency of about 23.5%. Laser operation was also obtained for the first time around 933.6 nm...
In this study, we demonstrate a cost-effective method to deposit an anti-reflection coating on glass. Hexagonally arranged layers are formed by a monolayer of microspheres deposited by a dip-coating method. After the deposition of the microspheres with diameter of 200 nm, the forward transmission of the glass substrate is enhanced from 88.8% to 97.2% at an incident wavelength of 600 nm, demonstrating...
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