Zobrazeno 1 - 10
of 36
pro vyhledávání: '"John R. Tower"'
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
Autor:
Tom Elliott, Alan T. Teruya, John R. Tower, Perry M. Bell, James H. Andrews, Joe Kimbrough, Jeanne Bishop, James Janesick
Publikováno v:
SPIE Proceedings.
Our paper will describe a recently designed Mk x Nk x 10 um pixel CMOS gated imager intended to be first employed at the LLNL National Ignition Facility (NIF). Fabrication involves stitching MxN 1024x1024x10 um pixel blocks together into a monolithic
Autor:
Grazyna M. Meray, V.L. Frantz, Pradyumna Kumar Swain, John R. Tower, Fu-Lung Hsueh, M.A. Reale, James T. Andrews, Mark Grygon, Peter A. Levine, Thomas M. Sudol, Robin Mark Adrian Dawson
Publikováno v:
IEEE Transactions on Electron Devices. 50:218-224
The key features and performance data of a 2560/spl times/1960-pixel split-frame-transfer imager developed for space surveillance is described. The eight-port, backside illuminated charge coupled device (CCD) features 24 /spl mu/m pixels with buried
Publikováno v:
Experimental Astronomy. 14:33-43
High performance CMOS pixels are introduced; and their development is discussed. 3T (3-transistor) photodiode, 5T pinned diode, 6T photogate and 6T photogate back illuminated CMOS pixels are examined in detail, and the latter three are considered as
Autor:
John R. Tower, James Janesick
Publikováno v:
Sensors; Volume 16; Issue 5; Pages: 688
Sensors (Basel, Switzerland)
Sensors, Vol 16, Iss 5, p 688 (2016)
Sensors (Basel, Switzerland)
Sensors, Vol 16, Iss 5, p 688 (2016)
Fundamental limits for photon counting and photon energy measurement are reviewed for CCD and CMOS imagers. The challenges to extend photon counting into the visible/nIR wavelengths and achieve energy measurement in the UV with specific read noise re
Autor:
Xudong Jiang, Joseph Ferraro, Ketan Patel, Mark Owens, Mark Entwistle, Mark A. Itzler, John R. Tower, Krystyna Slomkowski, Peter Zalud, Tom Senko, Sabbir Rangwala
Publikováno v:
SPIE Proceedings.
We present results obtained from 3D imaging focal plane arrays (FPAs) employing planar-geometry InGaAsP/InP Geiger-mode avalanche photodiodes (GmAPDs) with high-effici ency single photon sensitivity at 1.06 µm. We report results obtained for new 32
Autor:
Xudong Jiang, Tom Senko, Joseph Ferraro, Sabbir Rangwala, Mark Owens, Mark Entwistle, Mark A. Itzler, Krystyna Slomkowski, Peter Zalud, John R. Tower, Ketan Patel
Publikováno v:
SPIE Proceedings.
We report on the development of focal plane arrays (FPAs) employing two-dimensional arrays of InGaAsP-based Geiger-mode avalanche photodiodes (GmAPDs). These FPAs incorporate InP/InGaAs(P) Geiger-mode avalanche photodiodes (GmAPDs) to create pixels t
Autor:
Sabbir Rangwala, Krystyna Slomkowski, Peter Zalud, Tom Senko, Joseph Ferraro, Mark Owens, Mark Entwistle, Ketan Patel, Xudong Jiang, John R. Tower, Mark A. Itzler
Publikováno v:
Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon.
×We describe the design, fabrication, and performance of focal plane arrays (FPAs) for use in 3-D LADAR imaging applications requiring single photon sensitivity. These 32 × 32 FPAs provide high-efficiency single photon sensitivity for three-dimensi
Autor:
Mark A. Itzler, Krystyna Slomkowski, Peter Zalud, Tim Koch, Sabbir Rangwala, Xudong Jiang, John R. Tower, Young Yu, Joseph Ferraro, Mark Owens, Mark Entwistle, Ketan Patel
Publikováno v:
Advanced Photon Counting Techniques III.
We report on the development of 32 x 32 focal plane arrays (FPAs) based on InGaAsP/InP Geiger-mode avalanche photodiodes (GmAPDs) designed for use in three-dimensional (3-D) laser radar imaging systems at 1064 nm. To our knowledge, this is the first
Autor:
John Cheng, James Janesick, Tom Elliot, Mark Grygon, Jeff Walker, John R. Tower, Jeanne Bishop, James T. Andrews
Publikováno v:
SPIE Proceedings.
A high performance prototype CMOS imager is introduced. Test data is reviewed for different array formats that utilize 3T photo diode, 5T pinned photo diode and 6T photo gate CMOS pixel architectures. The imager allows several readout modes including