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The CDEX (China Dark matter Experiment) aims at detection of WIMPs (Weakly Interacting Massive Particles) and 0vbb (Neutrinoless double beta decay) of 76Ge. It now uses ~10 kg HPGe (High Purity Germanium) detectors in CJPL (China Jinping…

Instrumentation and Detectors · Physics 2020-10-26 Jinfu Zhu , Tianhao Wang , Tao Xue , Liangjun Wei , Jingjun Wen , Lin Jiang , Jianmin Li

The development of multi-layer optics which allow to focus photons up to 100 keV and more promises an enormous jump in sensitivity in the hard X-ray energy band. This technology is already planned to be exploited by future missions…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Fabio Muleri , Riccardo Campana

We have investigated the depletion voltage changes, the leakage current increase and the charge collection efficiency of a silicon microstrip detector identical to those used in the inner layers of the BaBar Silicon Vertex Tracker (SVT)…

Instrumentation and Detectors · Physics 2009-11-10 S. Bettarini , M. Bondioli , L. Bosisio , G. Calderini , C. Campagnari , S. Dittongo , F. Forti , M. A. Giorgi , G. Marchiori , G. Rizzo

Cross sections for \nuc{6}{Li}($\gamma$,$\gamma$)\nuc{6}{Li} have been measured at the High Intensity Gamma-Ray Source (\HIGS) and the sensitivity of these cross sections to the nucleon isoscalar polarizabilities was studied. Data were…

We report quantum efficiency (QE) enhancements in accelerator technology relevant antimonide photocathodes (K2CsSb) by interfacing them with atomically thin two-dimensional (2D) crystal layers. The enhancement occurs in a reflection mode,…

The combination of plastic scintillators with Silicon Photo-Multipliers (SiPMs) is widely used for detecting radiation in high-energy astrophysics, particle physics, neutrino physics, or medical physics. An example of application for this…

Instrumentation and Methods for Astrophysics · Physics 2025-02-14 Nicolas De Angelis , Franck Cadoux , Coralie Husi , Merlin Kole , Sławomir Mianowski

We demonstrate up-conversion single-photon detectors based on integrated periodically poled lithium niobate waveguides, which incorporate two mode filters and a directional coupler. The two mode filters are optimized for the fiber-waveguide…

Instrumentation and Detectors · Physics 2019-02-19 Fei Ma , Long-Yue Liang , Jiu-Peng Chen , Yang Gao , Ming-Yang Zheng , Xiu-Ping Xie , Hong Liu , Qiang Zhang , Jian-Wei Pan

In this work we present an active Compton scattering polarimeter as a focal plane instrument able to extend the X-ray polarimetry towards hard X-rays. Other authors have already studied various instrument design by means of Monte Carlo…

Instrumentation and Methods for Astrophysics · Physics 2013-01-08 Sergio Fabiani , Riccardo Campana , Enrico Costa , Ettore Del Monte , Fabio Muleri , Alda Rubini , Paolo Soffitta

The phonon-mediated hybrid detector is made out of a monolithic silicon crystal characterized by two interconnected regions linked through a narrow neck. Operating solely on phonon signal measurements, the hybrid design facilitates the…

We present the first evaluation of a recently developed silicon-strip detector for photon-counting dual-energy breast tomosynthesis. The detector is well suited for tomosynthesis with high dose efficiency and intrinsic scatter rejection. A…

Sufficient current pulse information of nuclear radiation detectors can be retained by direct waveform digitization owing to the improvement of digitizer's performance. In many circumstances, reasonable cost and power consumption are on…

Instrumentation and Detectors · Physics 2020-04-22 Tao Xue , Jinfu Zhu , Jingjun Wen , Jirong Cang , Zhi Zeng , Liangjun Wei , Lin Jiang , Yinong Liu , Jianmin Li

Full counting statistics of electron transport is of fundamental importance for a deeper understanding of the underlying physical processes in quantum transport in nanoscale devices. The backaction effect from a detector on the nanoscale…

Mesoscale and Nanoscale Physics · Physics 2013-11-01 Zeng-Zhao Li , Chi-Hang Lam , Ting Yu , J. Q. You

Shack Hartmann wavefront sensor is a two dimensional array of lenslets which is used to detect the incoming phase distorted wavefront through local tilt measurements made by recording the spot pattern near the focal plane. Wavefront…

Instrumentation and Methods for Astrophysics · Physics 2011-08-16 Akondi Vyas , M B Roopashree , B Raghavendra Prasad

A low energy photon spectrometer (LEPS), which is a composite planar HPGe, has been characterised experimentally. It has been shown that beyond 200 keV, effect of image charges deteriorates the efficiency of the detector in its addback…

Instrumentation and Detectors · Physics 2015-06-08 Moumita Roy Basu , Sudatta Ray , Abhijit Bisoi , M. Saha Sarkar

In this work, we present a novel device that is a combination of a superconducting nanowire single-photon detector and a superconducting multi-level memory. We show that these devices can be used to count the number of detections through…

Instrumentation and Detectors · Physics 2020-02-19 Murat Onen , Marco Turchetti , Brenden A. Butters , Mina R. Bionta , Phillip D. Keathley , Karl K. Berggren

The hybrid interferometer integrating an optical parametric amplifier and a beam splitter has the potential to outperform the SU(1,1) interferometer. However, photon loss remains a critical limitation for practical implementation. To…

Quantum Physics · Physics 2025-10-21 Qisi Zhou , Tao Jiang , Qingqian Kang , Teng Zhao , Xin Su , Cunjin Liu , Liyun Hu

The requirement on the symmetry of the biphoton wave function results in a double peak structure of the coincidence spectra of Spontaneous Parametric Down Conversion (SPDC) [1]. In this work we report the experimental observation of this…

Quantum Physics · Physics 2013-01-04 Dmitry A. Kalashnikov , Mikhail V. Fedorov , Leonid A. Krivitsky

Extracting photons from defect centers is challenging due to the high refractive index of typical substrates. For nitrogen-vacancy centers in diamond, reaching saturation count rates above $2.5\times10^5\,\mathrm{counts}/\mathrm{s}$ so far…

Fast timing detectors are an essential element in the experimental setup for time-of-flight (ToF) mass measurements of unstable nuclei. We have upgraded the scintillator detectors used in experiments at the National Superconducting…

In coherent diffraction imaging (CDI) experiments, the intensity of the scattered wave impinging on an object is measured on an array of detectors. This signal can be interpreted as the square of the modulus of the Fourier transform of the…

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