High performance two-color one megapixel CMOS ROIC for QWIP detectors |
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| Authors: | Brian Simolon Naseem Aziz Scott Cogan Eric Kurth Simon Lam Susan Petronio James Woolaway Sumith Bandara Sarath Gunapala Jason Mumolo |
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| Institution: | 1. FLIR Systems, Inc., 70 Castilian Dr., Goleta, CA 93117, United States;2. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, United States;1. Center for Nanoelectronics, Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India;2. ECE Department, Centre for High Technology Materials, University of New Mexico, Albuquerque, NM 87106, USA;1. School of Electrical & Electronic Engineering, Wuhan Polytechnic University, Wuhan 430023, Hubei, People''s Republic of China;2. Wuhan National Laboratory for Optoelectronics, Wuhan 430074, People''s Republic of China;1. School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China;2. Department of Physics, Jinggangshan University, Ji''an 343009, China;3. Department of Physics, Suzhou University of Science and Technology, Suzhou, 215009, Jiangsu, China;4. School of Material Science and Chemical Engineering, Bengbu University, Bengbu, 233030, Anhui, China;5. General Test Systems Inc., Shenzhen, 518102, Guangdong, China;6. College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China;7. Anhui Target Advanced Ceramics Technology Co. Ltd., Hefei, Anhui, China;8. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore |
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| Abstract: | FLIR Systems, Inc. has designed and fabricated the ISC0501 CMOS readout integrated circuit (ROIC) for quantum well infrared photodetectors (QWIPs). The ISC0501 is a two-color 1024 × 1024 format array with a 30 μm pixel pitch. The ROIC contains a separate analog signal path for each wavelength band. Separate signal paths allow the two-colors to have optimized detector biases, integration times, offsets and gains. This architecture also allows both colors to simultaneously sample a scene and readout the pixel data. This paper will describe the interface, design and features of the ROIC as well as a summary of the characterization test results. A sample image is included from a focal plane array (FPA) built by the Jet Propulsion Laboratory (JPL) using the ISC0501 ROIC with QWIP detectors designed by JPL. |
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