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Conventional CCD detectors have two major disadvantages: they are slow to read out and they suffer from read noise. These problems combine to make high-speed spectroscopy of faint targets the most demanding of astronomical observations. It…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Simon Tulloch , Vik Dhillon

The EMCCD is a CCD type that delivers fast readout and negligible detector noise, making it an ideal detector for high frame rate applications. Because of the very low detector noise, this detector can potentially count single photons.…

Instrumentation and Methods for Astrophysics · Physics 2013-03-08 Kennet B. W. Harpsøe , Michael I. Andersen , Per Kjægaard

Electron Multiplying CCDs (EMCCDs) are used much less often than they might be because of the challenges they offer camera designers more comfortable with the design of slow-scan detector systems. However they offer an entirely new range of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Craig Mackay , Keith Weller , Frank Suess

We present the progress of characterization of a low-noise, photon counting Electron Multiplying Charged Coupled Device (EMCCD) operating in optical wavelengths and demonstrate possible solutions to the problems of Clock-Induced Charge…

A multi-imaging strategy is proposed and experimentally tested to improve the accuracy of photon counting with an electron multiplying charge-coupled device (EMCCD), by taking into account the random nature of its on-chip gain and the…

Astrophysics · Physics 2009-11-13 Eric Lantz , Jean Luc Blanchet , Luca Furfaro , Fabrice Devaux

Photon counting is a mode of processing astronomical observations of low-signal targets that have been observed using an electron-multiplying charge-coupled device (EMCCD). In photon counting, the EMCCD amplifies the signal, and a…

Instrumentation and Methods for Astrophysics · Physics 2024-01-02 Kevin Ludwick

An electron-multiplying charge-coupled device (EMCCD) is often used for taking images with space telescopes and other devices. Photons hit the pixels and photo-electrons are created, and these are multiplied via impact ionization as they…

Instrumentation and Methods for Astrophysics · Physics 2025-03-25 Kevin Ludwick

The EMCCD is a type of CCD that delivers fast readout times and negligible readout noise, making it an ideal detector for high frame rate applications which improve resolution, like lucky imaging or shift-and-add. This improvement in…

Instrumentation and Methods for Astrophysics · Physics 2012-04-06 Kennet B. W. Harpsøe , Uffe G. Jørgensen , Michael I. Andersen , Frank Grundahl

The photon counting imaging paradigm in the visible and the infrared comes from the very small energy carried by a single photon at these wavelengths. Usually to detect photons the photoelectric effect is used. It converts a photon to a…

Instrumentation and Methods for Astrophysics · Physics 2022-07-28 Jean-Luc Gach , Isaure De Kernier , Philippe Feautrier

The Electron Multiplying Charge Coupled Devices (EMCCD), owing to their high quantum efficiency and spatial resolution, are widely used to study typical quantum optical phenomena and related applications. Researchers have already developed…

Quantum Physics · Physics 2024-11-12 Rounak Chatterjee , Vikas Bhat , Kiran Bajar , Sushil Mujumdar

Thorough numerical simulations were run to test the performance of three processing methods of the data coming out from an electron multiplying charge coupled device (EMCCD), or low light level charge coupled device (L3CCD), operated at…

Astrophysics · Physics 2009-11-11 Olivier Daigle , Claude Carignan , Sebastien Blais-Ouellette

The design of electron multiplying CCD cameras require a very different approach from that appropriate for slow scan CCD operation. This paper describes the main problems in using electron multiplying CCDs for high-speed, photon counting…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Craig Mackay , Tim D. Staley , David King , Frank Suess , Keith Weller

Low light level charge coupled devices (L3CCDs) have recently been developed, incorporating on-chip gain. They may be operated to give an effective readout noise much less than one electron by implementing an on-chip gain process allowing…

Astrophysics · Physics 2009-11-10 A. G. Basden , C. A. Haniff , C. D. Mackay

The paper presents a system for measuring photon statistics and photon timing in the few-photon regime down to the single-photon level. The measurement system is based on superconducting nanowire single photon detectors and a…

Instrumentation and Detectors · Physics 2018-04-04 N. Lusardi , J. W. N. Los , R. B. M. Gourgues , G. Bulgarini , A. Geraci

The Kitt Peak Electron Multiplying CCD (EMCCD) demonstrator is a new instrument that has been developed for use at the Kitt Peak National Observatory's 84-inch telescope. The EMCCD enables single-band optical imaging in the Sloan \textit{g}…

Photocount statistics are an important tool for the characterization of electromagnetic fields, especially for fields with an irrelevant phase. In the microwave domain, continuous rather than discrete measurements are the norm. Using a…

Quantum Physics · Physics 2016-04-13 Stéphane Virally , Jean Olivier Simoneau , Christian Lupien , Bertrand Reulet

Electron-multiplying charge-coupled-device cameras (EMCCDs) have been used to observe quantum noise reductions in beams of light in the transverse spatial degree of freedom. For the quantum noise reduction in the temporal domain, "bucket…

Optics · Physics 2020-12-03 Fu Li , Tian Li , Girish S. Agarwal

The multi-pixel photon counter (MPPC) is a newly developed photodetector with an excellent photon counting capability. It also has many attractive features such as small size, high gain, low operation voltage and power consumption, and…

CCCP, a CCD Controller for Counting Photons, is presented. This new controller uses a totally new clocking architecture and allows to drive the CCD in a novel way. Its design is optimized for the driving of EMCCDs at up to 20MHz of pixel…

Electron microscopy (EM) is a foundational tool for directly assessing the structure of materials. Recent advances in direct electron detectors have improved signal-to noise ratios via single-electron counting. However, accurately counting…

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