Zobrazeno 1 - 10
of 200
pro vyhledávání: '"Mark Entwistle"'
Autor:
Xudong Jiang, Igor Kudryashov, Samuel Richard Wilton, Alexei Katsnelson, Mark A. Itzler, Scott Roszko, Jack Kotelnikov, Brian Piccione, Mark Owens, Krystyna Slomkowski, Mark Entwistle, Sabbir Rangwala
Publikováno v:
Optical Sensing, Imaging, and Photon Counting: From X-Rays to THz.
Publisher’s Note: This paper, originally published on 18 September 2018, was replaced with a corrected/revised version on 28 May 2020. If you downloaded the original PDF but are unable to access the revision, please contact SPIE Digital Library Cus
Autor:
Mark Owens, Mark Entwistle, Xudong Jiang, Jack Kotelnikov, Mark A. Itzler, Alexei Katsnelson, Sabbir Rangwala, Krys Slomkowski, Igor Kudryashov, Brian Piccione, Samuel Richard Wilton, Scott Roszko
Publikováno v:
Optical Sensing, Imaging, and Photon Counting: From X-Rays to THz.
During the past decade, significant advancement has been made on InGaAsP/InP Geiger-mode APDs (GmAPDs) through improvements of material growth, device design and operating circuitry. With the increase in device performance and the growing maturity of
Publikováno v:
High-Speed Biomedical Imaging and Spectroscopy III: Toward Big Data Instrumentation and Management.
Multi-channel microscopy and multi-channel flow cytometry generate high bit data streams. Multiple channels (both spectral and spatial) are important in diagnosing diseased tissue and identifying individual cells. Omega Optical has developed techniqu
InP-Based Single-Photon Detectors and Geiger-Mode APD Arrays for Quantum Communications Applications
Autor:
Xudong Jiang, Krystyna Slomkowski, Sabbir Rangwala, Kevin O'Donnell, Mark Owens, Mark Entwistle, Mark A. Itzler
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 21:5-16
To meet the increasing demand from quantum communications and other photon starved applications, we have developed various InP-based single-photon detectors, including discrete single-photon avalanche diodes (SPADs), negative feedback avalanche diode
Autor:
Xudong Jiang, Mark A. Itzler, Mark Owens, Mark Entwistle, Krystyna Slomkowski, Uppili Krishnamachari
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 20:318-328
We describe cameras incorporating focal plane arrays of Geiger-mode avalanche photodiodes (GmAPDs) that enable 3-D imaging in laser radar (LADAR) systems operating at wavelengths near 1.0 and 1.5 μm. GmAPDs based on the InGaAsP material system achie
Autor:
Mark A. Itzler, Krystyna Slomkowski, Mark Owens, Mark Entwistle, Xudong Jiang, Sam Wilton, Scott Roszko, Gennaro Salzano, Brian Piccione, Esther Wei
Publikováno v:
Advanced Photon Counting Techniques XI.
We describe Geiger-mode avalanche photodiode (GmAPD) cameras designed with asynchronous free-running operation that supports single-photon direct detection and coherent detection 3D LiDAR imaging as well as free-running applications such as free-spac
Autor:
Xudong Jiang, Mark Owens, Mark Entwistle, Brian Piccione, Mark A. Itzler, Jack Kotelnikov, Igor Kudryashov, Sam Wilton, Sabbir Rangwala
Publikováno v:
Imaging and Applied Optics 2017 (3D, AIO, COSI, IS, MATH, pcAOP).
The operation of avalanche photodiodes in Geiger mode provides single-photon detection with excellent timing accuracy on a scalable semiconductor device platform. The use of arrays of Geiger-mode detectors for light detection and ranging (LiDAR) from
Autor:
Brian Piccione, Michael O’Neal, John R. Tower, Mark Owens, Mark Entwistle, Krystyna Slomkowski, Peter Zalud, Xudong Jiang, John Armer, Mark A. Itzler, Thomas Richard Senko, Gennaro Salzano, Sam Wilton
Publikováno v:
Lasers Congress 2016 (ASSL, LSC, LAC).
We describe 32x32 Geiger-mode avalanche photodiode focal plane arrays (FPAs) with single-photon sensitive pixels and asynchronous free-running operation. These FPAs support direct detection and coherent LIDAR imaging and other applications such as fr
Publikováno v:
Journal of Modern Optics. 59:1472-1480
The characterization and analysis of afterpulsing behavior in InGaAs/InP single photon avalanche diodes (SPADs) is reported for gating frequencies between 10 and 50 MHz. Gating in this frequency range was accomplished using a matched delay line techn
Autor:
Bradley Charles Steele, Antony Truscott, Graham Nelson, Mark Entwistle, William Clifton, Mark A. Itzler
Publikováno v:
SPIE Proceedings.
Over the past 15 years the Massachusetts Institute of Technology, Lincoln Laboratory (MIT/LL), Defense Advanced Research Projects Agency (DARPA) and private industry have been developing airborne LiDAR systems based on arrays of Geiger-mode Avalanche