detector – TechConnect Briefs

Plasmonic structure integrated single-photon detectors for absorptance and polarization contrast maximization

Csete M., Szenes A., Maráczi D., Bánhelyi B., Csendes T., Szabó G., University of Szeged, HU

Superconducting nanowire single photon detectors (SNSPDs) are important for single-photon detection at 1550 nm infrared wavelength in quantum information processing (QIP), telecommunication and astronomy [1, 2]. Absorptance of single photons with a specific polarization has [...]

High efficiency capture of multiple bacterial species by microfluidic dielectrophoresis filter

Simon S., Weber M., Fluid-Screen, Inc., US

Fluid-Screen, Inc. presents a bacterial concentration and filtration method based on dielectrophoresis (DEP). DEP has been known to induce particle motion since the 1960’s. However, yields and reproducibility have consistently been low in practice, reducing [...]

Synthesis and Characterization of Nickel Ferrite (NiFe2O4) nanoparticles with Silver Addition for H2S gas detectors

Domínguez-Ruiz N., García-Casilla P.E., Hernández-Paz J.F., Ramos-Murillo M., Ambrosio-Lazaro R.C., Universidad Autonoma de Ciudad Juarez, MX

The objective of this work is to study the influence of silver as additive in nickel ferrite sensors to improve the hydrogen sulfide detection sensibility. Sensors made of NiFe2O4 nanoparticles with and without Silver (3 [...]

Metal-Semiconductor-Metal Ultraviolet Detectors Utilizing Ge Nanocrystals Active Medium on Si Substrate

Lo S.Y., Wu P.J., Yeh R.H, Hong J.W., National Central University, TW

Since the observation of photoluminescence from porous Si, nanocrystalline Si and Ge have extensively been studied because it would open a possibility for indirect-gap semiconductors for optoelectronic applications. Nayfeh et al. reported ultraviolet (UV) detectors [...]