Sapphire tunable laser operating at 710 nm.
Spatial overlap is achieved by a novel pupil division method.
The polymer material is made of epoxy host, which is fully polymerized and filled with liquid photopolymerisable formulation comprising acrylate type monomer and two-photon photoinitiator. A. S. Dvornikov and P.M. Rentzepis, Opt. D. von der Linde, A. M. Glass, and K. F. Rodgers, Appl. G. C. Bjorklund, Chr. Inc. Fully cured refractive index was measured to be 1.54.