NDLI: New quantum effect photodetector array Readout and display

Content Provider	IEEE Xplore Digital Library
Author	Zhang, S.H. Liu, X.Y. Guo, F.M. Shen, J.H. Han, J.Q. Zheng, Z.Q.
Copyright Year	2013
Description	Author affiliation: Sch. of Inf. ScienceTechnology, East China Normal Univ., Shanghai, China (Zhang, S.H.; Liu, X.Y.; Guo, F.M.; Shen, J.H.; Han, J.Q.; Zheng, Z.Q.)
Abstract	A novel quantum effect photodetector array consisted of AlAs/GaAs/InGaAs/GaAs/InAs/ quantum-dots in quantum-well hybrid structure has been tested. It showed a wide response wavelength range from 400 nm to 1000 nm. The low threshold voltage (-0.8 V) and the high responsibility (10 A/W) at 77 K made it a good choice for optical detection. A custom-made capacitor feedback transimpendance amplifier (CTIA) readout circuit has been designed and processed to readout photoelectric conversion signals. The readout linearity was better than 99.5% by experiment. The signal to noise ratio and the monochrome voltage responsibility reached about 67 dB and 10 A/W respectively when the photodetector was biased -1.0 V and irradiated under a 633 nm laser. A data acquisition accompanied by a display system has also been designed and presented at last to verify the application prospect of this novel photodetector. In view of the different photo-response of each detector in the photo array, we analyzed the non- uniformity correction (NUC) method, and a method of two-point multi-section correction is presented.
Starting Page	916
Ending Page	920
File Size	704530
Page Count	5
File Format	PDF
ISBN	9781479913343
DOI	10.1109/ICInfA.2013.6720424
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage measurement Noise Data acquisition Lighting Detectors Quantum effect Readout Circuit Photodetectors data acquisition and display Arrays NUC photodetector
Content Type	Text
Resource Type	Article

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