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This paper reports a 3.0 THz detector which can detect the terahertz wave radiated by a quantum cascade laser (QCL) working at pulse mode. The detector was implemented in a 65 nm silicon CMOS process. The chip size is 1.5×l.5 mm2 including bonding pads. THz detector using FET is based on plasma wave theory proposed by Dyakonov and Shur which allows detection of THz radiations far beyond the FET devices...
Here, an approach for synthesizing large-area and high-quality MoS2 flakes was developed. In addition, we made up the MoS2 photoelectric detector and studied the photocurrent response of the detector. We firstly used the ceramic pieces to control MoO3 evaporation for obtaining large-area MoS2. Our CVD reaction is hydrogen free, very simple operation, high repetition rate and cost saving. The obtained...
This paper proposes a fully-integrated 860-GHz terahertz wave sensor. The sensor integrates a terahertz detector and readout circuit in 180-nm standard CMOS process. The readout circuit consists of a low-noise instrumentation amplifier and a high-resolution AZ-ADC. Transmissive imaging without source modulation (no lock-in technique required) is realized using the sensor. The detector consists of...
A HPLC method was developed to determine the concentration of schisandrin in plasma and tissues of mouse. The separation was obtained on a C18 column with a mobile phase of methanol: water (58:42, v/v), UV detector was monitored at 250 nm. The established method was successfully used to the research of pharmacokinetics and tissue distribution of schisandrin after intragastric administration of a 15...
The idea of AC locating fault method in distribution system is that inject an AC signal into the fault phase after a single line to ground fault happened and then diagnose the fault along the transmission line with the handled AC signal detector utilizing dichotomy method until the fault is determined. The frequency of the injected AC signal used in this study is 60 Hz. Compared with the injected...
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