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The diffraction-limited plano-concave microlens- and micromirror arrays were produced in chalcohalide glass of 65GeS2-25Ga2S3-10CsCl composition transparent from ∼0.5 to 11µm. Only a single 200fs laser pulse with 800nm central wavelength is required to form microlens, which after metal coating becomes a concave micromirror. This process can serve as a basis for flexible technology to fabricate regular...
The information technology for most efficient and stable application of bulk and nanocrys-talline materials as sensitive elements for electro-, acousto-optic and nonlinear optical cells has been developed and approved. It is based on 3D-analysis of spatial anisotropy for appropriate induced optical effects. Our approach has been checked on example of bulk crystals: pure and MgO-doped lithium niobate,...
The spectral, elasto- and acoustooptical properties of calcium tungstate are investigated. It is shown that the maximal value of M2 for shearing waves is more than two times higher than for the longitudinal ones.
Acousto-optic modulators are main component of communication fibre-optic systems. From the other side the studies of the absolute piezo-optic effect (POE) are one of the important steps to estimate the acousto-optic efficiency of optical materials. In this article the investigation results of POE in calcium tungstate crystals (CaWO4) has been represented. It is also proved that this crystal is essentially...
Electrooptic and piezoelectric characteristics of langasite crystals are studied and the indicative surfaces and their stereographic projections of the corresponding effects are constructed.
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