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We design a polarization-sensitive resonator for use in midinfrared photodetectors, utilizing a photonic crystal cavity and a single or double-metal plasmonic waveguide to achieve enhanced detector efficiency due to superior optical…

光学 · 物理学 2009-10-16 Jessie Rosenberg , Rajeev V. Shenoi , Sanjay Krishna , Oskar Painter

Electrodes in close proximity to an active area of a device are required for sufficient electrical control. The integration of such electrodes into optical devices can be challenging since low optical losses must be retained to realise high…

The Large Observatory For X-ray Timing (LOFT) is one of the candidate missions selected by the European Space Agency for an initial assessment phase in the Cosmic Vision programme. It is proposed for the M3 launch slot and has broad…

天体物理仪器与方法 · 物理学 2014-01-16 T. Mineo , G. W. Fraser , A. Martindale , C. Feldman , R. Campana , G. Cusumano , M. Feroci

Associated particle imaging (API) is a non-destructive nuclear technique for the 3D determination of isotopic distributions. By detecting the alpha particle associated with the emitted neutron in the deuterium-tritium fusion reaction with a…

仪器与探测器 · 物理学 2021-06-01 Mauricio Ayllon Unzueta , Bernhard Ludewigt , Brian Mak , Tanay Tak , Arun Persaud

One of the outstanding challenges for ion trap quantum information processing is to accurately detect the states of many ions in a scalable fashion. In the particular case of surface traps, geometric constraints make imaging perpendicular…

Nanoscale surface analysis of 1 micrometer thick high entropy alloys (HEAs) was carried out using nano-IR for hyperspectral imaging and single point spectroscopy in the 700-1700 1/cm spectral range. Nano-IR is based on the detection of…

In positron emission tomography (PET), time-of-flight (TOF) information localizes source positions along lines of response. Cherenkov-radiator-integrated microchannel-plate photomultiplier tubes have achieved 30 ps TOF resolution,…

The need for precise characterization of dual-phase xenon detectors has grown as the technology has matured into a state of high efficacy for rare event searches. The Michigan Xenon detector was constructed to study the microphysics of…

仪器与探测器 · 物理学 2016-08-25 S. Stephenson , J. Haefner , Q. Lin , K. Ni , K. Pushkin , R. Raymond , M. Schubnell , N. Shutty , G. Tarlé , C. Weaverdyck , W. Lorenzon

Currently, radiobiology experiments using heavy ions at GANIL(Grand Accelerateur National d Ions Lourds) are conducted under the supervision of the CIMAP (Center for research on Ions, MAterials and Photonics). In this context, a new beam…

Purpose: Current photon-counting computed tomography detectors are limited to a pixel size of around 0.3 mm-0.5 mm due to excessive charge sharing degrading the dose efficiency and energy resolution as the pixels become smaller. In this…

医学物理 · 物理学 2024-01-18 Rickard Brunskog , Mats Persson , Zihui Jin , Mats Danielsson

A 1M- and a 4M-pixel monolithic CMOS active pixel sensor with 9.5x9.5 micron^2 pixels have been developed for direct imaging in transmission electron microscopy as part of the TEAM project. We present the design and a full characterisation…

This paper presents the results of the characterisation of a pixel sensor manufactured in OKI 0.2 micron SOI technology integrated on a high-resistivity substrate, and featuring several pixel cell layouts for charge collection optimisation.…

The growing interest in human-grade total body positron emission tomography (PET) systems has also application in small animal research. Due to the existing limitations in human-based studies involving drug development and novel treatment…

We developed a multifocus optical-resolution photoacoustic microscope (MPAM) with extended depth of field (DoF) by using a tunable acoustic gradient (TAG) lens and a pulse delay method. TAG lens is designed to control the divergence angle…

光学 · 物理学 2020-09-09 Xianlin Song

We present the development of a single-photon detector and the connected read-out electronics. This `hybrid' detector is based on a vacuum tube, transmission photocathode, microchannel plate and a pixelated CMOS read-out anode encapsulating…

仪器与探测器 · 物理学 2022-07-06 J. A. Alozy , N. V. Biesuz , M. Campbell , V. Cavallini , A. Cotta Ramusino , M. Fiorini , M. Guarise , X. Llopart Cudie

The selection of a suitable plasmonic material is extremely crucial for achieving high-performance photonic crystal fiber-based surface plasmon resonance (PCF-SPR) sensors. However, most numerical investigations to date are limited to…

光学 · 物理学 2023-07-18 Tasmiah Tunazzina , Fairuz Areefin Khan , Anuva Chowdhury

We are investigating a prototype virtual pinhole positron emission tomography (VP-PET) system for small animal imaging applications. The PET detector modules were made up of 1.3 mm lutetium-yttrium oxyorthosilicate (LYSO) arrays, and the…

医学物理 · 物理学 2018-01-11 Zheng-Qian Ye , Ying-Guo Li , Tian-Quan Wang , Ya-Ming Fan , Yong-Zhi Yin , Xi-Meng Chen

POLAR-2 is a next-generation space astronomy platform led by China, with its core scientific objective focused on high-precision polarization measurements of gamma-ray bursts. As one of its key payloads, the Low-energy Polarization Detector…

天体物理仪器与方法 · 物理学 2025-11-25 Li-rong Xie , Shi-Qiang Zhou , Di-Fan Yi , Huan-Bo Feng , Zhu-Ke Feng , Dong Wang , Chao-song Gao , En-Wei Liang , Xiang-Ming Sun , Hong-Bang Liu

Monolithic pixel sensors for charged particle detection and imaging applications have been designed and fabricated using commercially available, deep-submicron Silicon-On-Insulator (SOI) processes, which insulate a thin layer of integrated…