نتایج جستجو برای: electrooptical materials
تعداد نتایج: 436417 فیلتر نتایج به سال:
Heterojunction and doping superlattices are widely used in many advanced semiconductor devices such as resonant tunnelling diodes, optical modulators, cascade lasers, tunable light emitting diodes and photodetectors. These structures exhibit nonlinear electrooptical properties. Nonlinear processes are governed by the Franz–Keldysh effect and the band-filling effect in the n-i-p-i superlattices ...
The temperature dependence of the rotational viscosities of several physically markedly different binary mixtures belonging to ten different liquid crystal classes is measured. An attempt is made to correlate the results with class-specific structural properties such as hydrogenated rings, molecular polarity and structure of flexible side-chains. It is show that the measured smallscale dynamic ...
Optical transmission spectrum measurements in an electric field are used to study the short-range structure of the blue phase III (BPIII). The data are compared with the theoretical models for BPIII. Our results can be explained by the models in which BPIII has the simple-cubic local structure or cubic bond orientational order.
Coursebooks are normally written to contain information, instruction, exposure, and activities that learn- ers at a particular level need to enhance their communicative competence in the target language. Howev- er, many global course books make attempts to include content, topics, and texts that do not disadvantage any learner around the world. That is why global course books normally do ...
A polarizer-free flexible and reflective electro-optical switch using dye-doped liquid crystal (LC) gels is demonstrated. The electro-optical performances of both scattering and absorption based dye-doped LC gels depend on curing temperatures due to domain sizes of polymer networks. Such flexible electro-optical switch is bendable and trim-able because of the vertical polymer networks and gel-l...
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