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Presently, the MAGIC telescope uses a 300 MHz FADC system to sample the transmitted and shaped signals from the captured Cherenkov light of air showers. We describe a method of Digital Filtering of the FADC samples to extract the charge and…

Astrophysics · Physics 2007-05-23 H. Bartko , M. Gaug , A. Moralejo , N. Sidro

For astronomical instruments, accurate knowledge of the optical pointing and coupling are essential to characterize the alignment and performance of (sub-)systems prior to integration and deployment. Ideally, this requires the phase…

Instrumentation and Methods for Astrophysics · Physics 2020-02-11 S. J. C. Yates , K. K. Davis , W. Jellema , J. J. A. Baselmans , A. M. Baryshev

The possibilities of measuring Extremely High Energy Cosmic Rays (EHECR) by radio detection of electromagnetic pulses radiated during the development of extensive air showers in the atmosphere are investigated. We present the demonstrative…

Astrophysics · Physics 2009-11-07 O. Ravel , R. Dallier , L. Denis , T. Gousset , F. Haddad , P. Lautridou , A. Lecacheux , E. Morteau , C. Rosolen , C. Roy

One of the optimization goals of a particle accelerator is to reach the highest possible beam peak current. For that to happen the electron bunch propagating through the accelerator should be kept relatively short along the direction of its…

Instrumentation and Detectors · Physics 2018-06-28 Aleksander Mielczarek , Dariusz Makowski , Andrzej Napieralski , Christopher Gerth , Bernd Steffen

We describe an FPGA-based, 96-channel, time-to-digital converter (TDC) intended for use with the Central Outer Tracker (COT) in the CDF Experiment at the Fermilab Tevatron. The COT system is digitized and read out by 315 TDC cards, each…

The F -GAMMA program is a coordinated effort of several observing facilities to understand the AGN/blazar phenomenon via a multi-frequency monitoring approach, especially in the era of Fermi-GST. Some 60 prominent sources are monitored…

Cosmology and Nongalactic Astrophysics · Physics 2010-07-01 E. Angelakis , L. Fuhrmann , I. Nestoras , J. A. Zensus , N. Marchili , V. Pavlidou , T. P. Krichbaum

The Atacama Large Millimeter/submillimeter (ALMA) Array Front End (FE) system is the first element in a complex chain of signal receiving, conversion, processing and recording. 70 Front Ends will be required for the project. The Front End…

Instrumentation and Methods for Astrophysics · Physics 2010-09-02 Geoffrey A. Ediss , Joshua Crabtree , Kirk Crady , Erik Gaines , Morgan McLeod , Greg Morris , Rick Williams , Antonio Perfetto , John Webber

A FRAM (F/(Ph)otometric Robotic Atmospheric Monitor) telescope is a system of a robotic mount, a large-format CCD camera and a fast telephoto lens that can be used for atmospheric monitoring at any site when information about the…

The PANOSETI experiment is an all-sky, all-the-time visible search for nanosecond to millisecond time-scale transients. The experiment will deploy observatory domes at several sites, each dome containing ~45 telescopes and covering ~4,440…

Current time domain facilities are finding several hundreds of transient astronomical events a year. The discovery rate is expected to increase in the future as soon as new surveys such as the Zwicky Transient Facility (ZTF) and the Large…

Time to Digital Converters (TDCs) are very common devices in particles physics experiments. A lot of "off-the-shelf" TDCs can be employed but the necessity of a custom DAta acQuisition (DAQ) system makes the TDCs implemented on the…

Instrumentation and Detectors · Physics 2020-09-07 A. Balla , M. Beretta , P. Ciambrone , M. Gatta , F. Gonnella , L. Iafolla , M. Mascolo , R. Messi , D. Moricciani , D. Riondino

Since 2002, the CODALEMA experiment located within the Nan\c{c}ay Radio Observatory studies the ultra-high energy cosmic rays (above 10^{17} eV) arriving in the Earth atmosphere. These cosmic rays interact with the component of the…

High Energy Astrophysical Phenomena · Physics 2019-03-08 Antony Escudie , Richard Dallier , Didier Charrier , Daniel García-Fernández , Alain Lecacheux , Lilian Martin , Benoît Revenu

The SeaQuest experiment (Fermilab E906) detects pairs of energetic {\mu}+ and {\mu}- produced in 120 GeV/c proton-nucleon interactions in a high rate environment. The trigger system consists of several arrays of scintillator hodoscopes and…

Fourier Ptychographic Microscopy (FPM) is a computational technique that achieves a large space-bandwidth product imaging. It addresses the challenge of balancing a large field of view and high resolution by fusing information from multiple…

Optics · Physics 2023-04-21 Ruiqing Sun , Delong Yang , Yao Hu , Qun Hao , Xin Li , Shaohui Zhang

The 499 pixel photomultiplier cameras of the VERITAS gamma ray telescopes are instrumented with 500MHz sampling Flash ADCs. This paper describes a preliminary investigation of the best methods by which to exploit this information so as to…

Astrophysics · Physics 2019-08-14 J. Holder

The digital frequency domain multiplexing (DfMux) technique is widely used for astrophysical instruments with large detector arrays. Detailed detector characterization is required for instrument calibration and systematics control. We…

Instrumentation and Methods for Astrophysics · Physics 2024-05-09 Yu Zhou , Tijmen de Haan , Hiroki Akamatsu , Daisuke Kaneko , Masashi Hazumi , Masaya Hasegawa , Aritoki Suzuki , Adrian T. Lee

A fully digital beam position and phase measurement (BPPM) system was designed for the linear accelerator (LINAC) in Accelerator Driven Sub-critical System (ADS) in China. Phase information is obtained from the summed signals from four…

Instrumentation and Detectors · Physics 2019-09-25 Xingshun Gao , Lei Zhao , Jinxin Liu , Zouyi Jiang , Xiaofang Hu , Shubin Liu , Qi An

Balloon- and space-borne cosmic-ray experiments employ plastic scintillators read out by silicon photomultipliers (SiPMs) to achieve picosecond-level time resolutions for triggering and particle identification. The performance of these…

Instrumentation and Detectors · Physics 2025-11-14 José Reyes Castillo , Saúl Aguilar Salazar , Diego Mauricio Gomez Coral

A system based on commercially available items, such as a laser diode, emitting in the visible range $\sim 400$ nm,and multimode fiber patches, fused fiber splitters and optical switches may be assembled,for time calibration of…

Instrumentation and Detectors · Physics 2016-06-01 M. Bonesini , R. Bertoni , A. deBari , M. Rossella

Considering that frequency diverse array multiple-input multiple-output (FDA-MIMO) possesses extra range information to enhance sensing performance, this paper explores the FDA-MIMO-based integrated sensing and communication (ISAC) system.…

Signal Processing · Electrical Eng. & Systems 2023-12-25 Jiangwei Jian , Qimao Huang , Bang Huang , Wen-Qin Wang
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