نتایج جستجو برای: waveguide filter
تعداد نتایج: 139549 فیلتر نتایج به سال:
We use the soft lithography technique to fabricate a polymeric waveguide Bragg grating filter. Master grating structure is patterned by e-beam lithography. Using an elastomeric stamp and capillary action, uniform grating structures with very thin residual layers are transferred to the UV curable polymer without the use of an imprint machine. The waveguide layer based on BCB optical polymer is f...
Porous silicon is an excellent material for biosensing because of its large surface area and ability to filter out large contaminant species. In order to characterize the sensitivity of porous silicon based biosensors for biomolecules of different sizes, a mesoporous silicon waveguide with average pore diameter of 20 nm is used to detect single strand DNA oligos with different numbers of base p...
We show the first experimental results which prove that superconducting NbTiN coplanar-waveguide resonators can achieve a loaded Q factor in excess of 800 in the 350 GHz band. These resonators can be used as narrow band pass filters for on-chip filter bank spectrometers for astronomy. Moreover, the low-loss coplanar waveguide technology provides an interesting alternative to microstrip lines fo...
The clarinet tonehole model developed by Keefe [1981] is parametrized as the cascade of a series reactance, a shunt complex impedance, and another series reactance. The transmission matrix description of this two-port tonehole model is given by the product of the transmission matrices for each of the three impedances. For implementation in a digital waveguide model, these ”lumped” parameters of...
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