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Time- and number-resolved photon detection is crucial for photonic quantum information processing. Existing photon-number-resolving (PNR) detectors usually have limited timing and dark-count performance or require complex fabrication and…

Instrumentation and Detectors · Physics 2020-06-23 Di Zhu , Marco Colangelo , Changchen Chen , Boris A. Korzh , Franco N. C. Wong , Matthew D. Shaw , Karl K. Berggren

The escalating data volume and complexity resulting from the rapid expansion of artificial intelligence (AI), internet of things (IoT) and 5G/6G mobile networks is creating an urgent need for energy-efficient, scalable computing hardware.…

The World Space Observatory - Ultraviolet (WSO-UV) space telescope is equipped with high dispersion (55,000) spectrographs working in the 1150-3100 {\AA} spectral range. To evaluate the impact of the design on the scientific objectives of…

Instrumentation and Methods for Astrophysics · Physics 2017-06-13 Pablo Marcos-Arenal , Ana I. Gómez de Castro , Belén Perea Abarca , Mikhail Sachkov

We demonstrate superconducting nanowire single photon detectors with 76 +/- 4 % system detection efficiency at a wavelength of 315 nm and an operating temperature of 3.2 K, with a background count rate below 1 count per second at saturated…

Quantum Physics · Physics 2017-04-11 D. H. Slichter , V. B. Verma , D. Leibfried , R. P. Mirin , S. W. Nam , D. J. Wineland

A readout system based on the Timepix4 ASIC, is being developed for photon science. The TEMPUS detector can be operated in two distinct modes: a photon counting mode, which allows for conventional full-frame readout at rates up to 40 kfps;…

LUCI (Lagrange eUv Coronal Imager) is a solar imager in the Extreme UltraViolet (EUV) that is being developed as part of the Lagrange mission, a mission designed to be positioned at the L5 Lagrangian point to monitor space weather from its…

Solar and Stellar Astrophysics · Physics 2020-09-11 M. J. West , C. Kintziger , M. Haberreiter , M. Gyo , D. Berghmans , S. Gissot , V Büchel , L. Golub , S. Shestov , J. A. Davies

Infrared (IR) imaging is invaluable across many scientific disciplines, from material analysis to diagnostic medicine. However, applications are often limited by detector cost, resolution and sensitivity, noise caused by the thermal IR…

3D sensors, also known as RGB-D sensors, utilize depth images where each pixel measures the distance from the camera to objects, using principles like structured light or time-of-flight. Advances in artificial vision have led to affordable…

We present a vacuum ultraviolet (VUV) band-pass photon detector for inverse photoemission spectroscopy. A SrF2 window is used due to its high-energy cutoff of the optical transmission being 9.7eV, and acetone is selected as filling gas with…

Instrumentation and Detectors · Physics 2015-06-08 Shu-Hu Liu , Cai-Hao Hong , Yi-Dong Zhao , Dong-Ping Geng , Lei Zheng , Xiao-Liang Zhao , Hua-Peng Li

In this study we present first results from a new detector of UV photons: a thick gaseous electron multiplier (GEM) with resistive electrodes, combined with CsI or CsTe/CsI photocathodes. The hole type structure considerably suppresses the…

Instrumentation and Detectors · Physics 2008-11-26 J. M. Bidault , P. Fonte , T. Francke , P. Galy , V. Peskov , I. Rodionov

Wearable pupil detection systems often separate the analysis of the captured wearer's eye images for wirelessly-tethered back-end systems. We argue in this paper that investigating hardware-software co-designs would bring along…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Ankur Raj , Diwas Bhattarai , Kristof Van Laerhoven

A prototype flash analog-to-digital readout system for cosmic ray detection at energies below 10^18 eV has been designed and tested at Columbia University Nevis Laboratories. The electronics consist of an FADC module that digitizes 16…

Instrumentation and Detectors · Physics 2007-05-23 S. BenZvi , S. Westerhoff , J. Ban , W. Sippach

Single-board computers, with their wide range of external interfaces, provide a cost-effective solution for studying animals and plants in their natural habitat. With the introduction of the Raspberry Pi Zero 2 W, which provides…

Other Computer Science · Computer Science 2025-07-18 Thomas Ederer , Igor Ivkić

We present a design for a near-ultraviolet (NUV) imaging instrument which may be flown on a range of available platforms, including high-altitude balloons, nanosatellites, or space missions. Although all current UV space missions adopt a…

Instrumentation and Methods for Astrophysics · Physics 2017-02-08 Joice Mathew , Ajin Prakash , Mayuresh Sarpotdar , A. G. Sreejith , K. Nirmal , S. Ambily , Margarita Safonova , Jayant Murthy , Noah Brosch

We introduce a simple approach for a tunable up-conversion detector. This scheme is relevant for both single photon detection or anywhere where low light levels at telecom wavelengths need to be detected with a high degree of temporal…

Quantum Physics · Physics 2009-11-13 R. T. Thew , H. Zbinden , N. Gisin

Superconducting Tunnel Junctions (STJ's) are currently being developed as photon detectors for a wide range of applications. Interest comes from their ability to cumulate photon counting with chromaticity (i.e. energy resolution) from the…

Materials Science · Physics 2011-10-18 Corentin Jorel , Philippe Feautrier , Jean-Claude Villegier

We present a versatile analytic model describing Photon Detection Efficiency (PDE) for P-on-N silicon photomultipliers, with possible applications for device characterization, PDE extrapolation from limited data, simulation and design…

Optical spectroscopy plays an essential role across scientific research and industry for non-contact materials analysis1-3, increasingly through in-situ or portable platforms4-6. However, when considering low-light-level applications,…

The optical-to-electrical conversion, which is the basis of optical detectors, can be linear or nonlinear. When high sensitivities are needed single-photon detectors (SPDs) are used, which operate in a strongly nonlinear mode, their…