نتایج جستجو برای: polymer dispersed liquid crystal
تعداد نتایج: 467158 فیلتر نتایج به سال:
A single beam one-step holographic interferometry method was developed to fabricate porous polymer structures with controllable pore size and location to produce compact graded photonic bandgap structures for linear variable optical filters. This technology is based on holographic polymer dispersed liquid crystal materials. By introducing a forced internal reflection, the optical reflection thr...
Organic solid-state tri-wavelength lasing was demonstrated from dye-doped holographic polymer-dispersed liquid crystal (HPDLC) distributed feedback (DFB) laser with semiconducting polymer poly[-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene-vinylene] (MEH-PPV) and laser dye [4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran] (DCM) by a one-step holography technique, which centered a...
We have studied the optical properties of electrically switched holographic gratings fabricated using polymer-dispersed liquid crystal (PDLC) materials. We have found that the PDLC mixture can be used to control the diffractive properties of the composite gratings, including the anisotropy of the grating. 2000 Optical Society of America OCIS codes: (050.0050) Diffraction and gratings, (050.733...
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