Title Development of 15 micron cutoff wavelength HgCdTe detector arrays for astronomy / Mario Cabrera

Published Cham, Switzerland : Springer, 2020

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Description 1 online resource Series Springer theses Springer theses. Contents Intro -- Supervisor's Foreword -- Acknowledgements -- Parts of This Thesis Have Been Published in the Following Journal Articles -- Contents -- List of Symbols -- 1 Introduction -- 1.1 Astronomical Motivation -- 1.2 Mercury Cadmium Telluride (HgCdTe) -- 1.3 Photo-Diodes -- 1.3.1 Intrinsic and Extrinsic Semiconductor Properties -- 1.3.2 p-n Junction -- 1.3.3 Photo-Diode Structure -- 1.4 Multiplexer -- 1.4.1 HAWAII-1RG Multiplexer -- 1.4.2 CTIA Multiplexer -- 1.5 Prior Development -- 1.5.1 Near Earth Object Camera -- 1.6 Extending the Cutoff Wavelength to 15 um 1.6.1 Phase I: 13 um Cutoff Devices -- 1.6.2 Phase II: 15 um Cutoff Devices -- 2 Test and Data Acquisition Setup -- 2.1 Camera Dewar Setup -- 2.2 Array Controller -- 2.3 H1RG Multiplexer Operation -- 2.4 Sampling Modes -- 2.4.1 Sample-Up-the-Ramp -- 2.4.2 CDS (Fowler-1) -- 3 Dark Current Theory -- 3.1 Diffusion Current -- 3.2 Generation-Recombination -- 3.3 Quantum Tunneling Currents -- 4 Array Characterization -- 4.1 Reference Pixel Subtraction -- 4.2 Calibration -- 4.2.1 Multiplexer Gain -- 4.2.2 Capacitance -- 4.2.2.1 Capacitance Data Acquisition -- 4.2.2.2 Capacitance Calculation 4.2.3 Interpixel Capacitance -- 4.2.3.1 IPC Coupling Parameter Calculation -- 4.2.4 Non-linearity -- 4.3 CDS Read Noise -- 4.4 Dark Current and Well Depth -- 4.4.1 Dark Current and Well Depth Data Acquisition -- 4.4.2 Dark Current Calculation -- 4.5 Cross-Hatching -- 4.5.1 Hough Transform -- 4.5.2 Cross-Hatching Angle Calculation -- 4.6 Dark Current vs. Bias -- 4.7 Dark Current vs. Temperature -- 5 Phase I Results: 13 um Cutoff Wavelength Devices -- 5.1 Characterization -- 5.1.1 Calibration -- 5.1.2 Multiplexer Glow -- 5.1.3 CDS Read Noise -- 5.1.4 Dark Current and Well Depth (Operability) 5.1.4.1 H1RG-18367 -- 5.1.4.2 H1RG-18508 -- 5.1.4.3 H1RG-18369 -- 5.1.4.4 H1RG-18509 -- 5.1.5 Cross-Hatching (Inoperable Pixels) -- 5.2 Dark Current Model Fits -- 5.2.1 Theoretical Models -- 5.2.2 Dark Current Model Results -- 5.2.2.1 Modified Trap-to-Band Tunneling Fit -- 5.3 Discussion on Constant Dark Current Regimes -- 5.4 Phase I Summary -- 6 Phase II Results: 15 um Cutoff Wavelength Devices -- 6.1 Characterization -- 6.1.1 Calibration -- 6.1.2 CDS Read Noise -- 6.1.3 Dark Current, Well Depth, and Cross-Hatching -- 6.2 Dark Current Model Fits -- 6.3 Phase II Summary 7 Conclusions and Future Work -- Bibliography -- Biographical Sketch Notes "Doctoral thesis accepted by the University of Rochester, USA." Bibliography Includes bibliographical references Notes Online resource; title from PDF title page (SpringerLink, viewed November 6, 2020) Subject Infrared array detectors. Mensuration & systems of measurement. Materials science. Semi-conductors & super-conductors. Astronomy, space & time. Technology & Engineering -- Mensuration. Technology & Engineering -- Material Science. Technology & Engineering -- Electronics -- Semiconductors. Science -- Astronomy. Infrared array detectors Genre/Form Electronic books Form Electronic book ISBN 9783030542412 3030542416

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