نتایج جستجو برای: graded index
تعداد نتایج: 423873 فیلتر نتایج به سال:
Fiber-optic interferometric sensors based on graded-index multimode fibers have very high refractive-index sensitivity, as we previously demonstrated. In this paper, spatial-frequency multiplexing of this type of fiber-optic refractive index sensors is investigated. It is estimated that multiplexing of more than 10 such sensors is possible. In the multiplexing scheme, one of the sensors is used...
In the standard M-line method for the characterization of graded-index film, an analytical curve is fitted to the waveguide mode measurements and extrapolated to provide the refractive index in the zero-depth limit. Here we review our polarimetric approach to a direct near-surface measurement, which complements the M-line method. Also, we present its new and more straightforward version, which ...
In this paper, narrow-bandgap polymer acceptors combining a benzotriazole (BTz)-core fused-ring segment, named the PZT series, were used with high-absorption-efficiency (PBDB) compound branched 2-butyl octyl, linear n-octyl, and methyl to be utilized as graded-index (GI) active layer of solar cells (PSCs) increase photocurrent enhance efficiency compared existing PBDB-T:PZT PBDB-T:PZT-γ. additi...
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