Fluid‐filled dynamic bowtie filter: Description and comparison with other modulators
Sign Up to like & getrecommendations! Published in 2019 at "Medical Physics"
DOI: 10.1002/mp.13272
Abstract: PURPOSE A dynamic bowtie filter can modulate flux along both fan and view angles for reduced patient dose, scatter, and required photon flux, which is especially important for photon counting detectors (PCDs). Among the proposed… read more here.
Keywords: attenuator; dynamic bowtie; count rate; filter ... See more keywords
Study on dynamic characteristics of the bladder fluid pulsation attenuator based on dynamic mesh technology
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-0215-3
Abstract: Fluid-flow and pressure fluctuation are main causes of vibration and noise in liquid-conveying pipeline. As a crucial auxiliary component of liquid-conveying pipeline, the bladder pressure fluctuation attenuator plays an important role in absorbing fluctuations. According… read more here.
Keywords: pipeline; pressure; dynamic mesh; attenuator ... See more keywords
Optical attenuator for Geiger mode avalanche photodiode laser detection systems
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2017.10.002
Abstract: Abstract This paper presents a method to estimate the optical attenuator according to the false firing percentage of Geiger Mode Avalanche Photodiode array detection system only under background light. The effect of the dark current… read more here.
Keywords: attenuator; detection; optical attenuator; avalanche photodiode ... See more keywords
Design Methodology for a Wideband, Low Insertion Loss, Digital Step Attenuator in SiGe BiCMOS Technology
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2021.3111177
Abstract: This brief presents a wideband, low insertion loss, high attenuation range digital step attenuator (DSA) implemented using SiGe HBTs. In a switched-type topology, the off-state capacitances ( $\text{C}_{OFF}$ ) in both reference and attenuation states… read more here.
Keywords: wideband low; insertion loss; attenuator; methodology ... See more keywords
Investigation and Demonstration of a WR-4.3 Optically Controlled Waveguide Attenuator
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Terahertz Science and Technology"
DOI: 10.1109/tthz.2016.2635443
Abstract: We report the design and demonstration of a compact WR-4.3 (170-260 GHz, equivalent to WR-4 band in Electronics Industries Alliance band designation) optically controlled waveguide attenuator using an E-plane tapered high-resistivity micromachined silicon absorber. Variable… read more here.
Keywords: attenuator; waveguide attenuator; demonstration optically; optically controlled ... See more keywords
Buckling-induced wavy optical fiber attenuator.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.468102
Abstract: An optical attenuator is an optical device that can modulate the power level of an optical signal. Based on the macro-bending loss of optical fibers, we present a wavy fiber attenuator where the attenuation level… read more here.
Keywords: buckling induced; wavy optical; fiber; fiber attenuator ... See more keywords
Impact Attenuator Design for Improvement of Racing Car Drivers' Safety
Sign Up to like & getrecommendations! Published in 2023 at "Symmetry"
DOI: 10.3390/sym15010159
Abstract: An essential element for driver safety is represented by the Impact Attenuator (especially for race cars). The effect of the Impact Attenuator can be seen in the behavior of a dummy, tied with a seat… read more here.
Keywords: safety; attenuator design; car; impact attenuator ... See more keywords