supported by the National Key Research and Development Program of China(Grant No.2019YFB2203400);the National Natural Science Foundation of China(Grant Nos.61974044 and 11974368);the Shanghai Committee of Science and Technology of China(Grant Nos.20142201000 and 21ZR1421500)。
We demonstrate the use of an infrared modulated photoluminescence(PL)method based on a step-scan Fourier-transform infrared spectrometer to analyze intersubband transition(ISBT)of InGaAs/InAlAs quantum cascade detecto...
Supported by the National Natural Science Foundation of China under Grant No 11275207
A three-arm Michelson-Fabry-Perot detector for gravitational waves is designed. It consists of three Michelson Fabry-Perot interferometers, one for each pair of arms. The new detector can be used to confirm whether th...
Supported by the National High-Technology Research and Development Program of China under Grant No 2011AA010203;the National Basic Research Program of China under Grant Nos 2011CB201704 and 2010CB327502;the National Natural Science Foundation of China under Grant No 61434006
A Schottky barrier diode with low-barrier is presented, based on which a terahertz waveguide detector working at 500-600 GHz is designed and fabricated. By using the InGaAs/InP material system, the feature of the low ...
Supported by the National Basic Research Program of China under Grant No 2011CB925600;the National Natural Science Foundation of China under Grant Nos 11427807,91321311,10990100,11174057 and 61106092;the Shanghai Science and Technology Committee under Grant No 14JC1406600
Excited states of lnAs quantum dots (QDs) can be energetically coupled with the confined level of OaAs quantum wells (QWs) in a thin-barrier resonant tunneling diode (RTD). Single charge variation in the coupled...
Supported by the National Natural Science Foundation of China under Grant Nos 11135002,11305232 and 11175076;the Foundation of China Spallation Neutron Source:Study and Development of the High-performance and Low-angle Detector
A detector for fast neutrons based on a 10 × 10 cm^2 triple gas electron multiplier (GEM) device is developed and tested. A neutron converter, which is a high density polyethylene (HDPE) layer, is combined with t...
Supported by the National Natural Science Foundation of China(NSFC)(11074156);the TYAL,the National Key Basic Re-search Program of China(2010CB923101);the NSFC Project for Excellent Research Team(61121064);the Shanxi Scholarship Council of China.
We present an ultrastable fiber-based time-domain balanced homodyne detector which can be used for precise characterization of pulsed quantum light fields.A variable optical attenuator based on bending the fiber is ut...
Supported by the National Natural Science Foundation of China under Grant Nos 10825522 and 11175217;the Chinese Academy of Sciences。
Gamma rays with energies between 80keV and 1500keV produced by 133Ba and 152Eu standard sources are measured with the clover detector.Relative efficiencies and add-back factors are determined in both crystals and full...
The imaging quality using two-detector arbitrary N th-order intensity correlation in optics is investigated.It is theoretically demonstrated that with the order of intensity correlation N increases,the visibility of t...
A pixel array CdZnTe imaging system, employing a 40 × 40× 5 mm^3 pixellated CdZnTe detector, is established. The imaging polarization effect in the CdZnTe pixellated detector for a collimated CS137 Gamma source is i...
Supported by the National Natural Science Foundation of China under Grant No 10878005/A03.
The mathematical expression on decoding the one-dimensional (1D) Vernier anode is deduced theoretically, and the corresponding 1D-Vernier anode collector is developed. A photon counting imaging and detection system ...