Time integrating acousto-optic receiver with wide bandwidth and high sensitivity
Jixin Chen, Jie Gu, Ran Wu, Kaiqi Xaio, He Huang
Abstract
Jixin Chen, Jie Gu, Ran Wu, Kaiqi Xaio, He Huang
Abstract
As an important method of signal receiving and processing, acousto-optic receiver can intercept wideband signal in RF domain. A large number of narrow channels for measuring RF signal can be realized by acousto-optic Bragg diffraction. The weak signal detection with high sensitivity can be implemented using time integrating photodetector array. In this paper, the principle and characteristics of time integrating acousto-optic receiver are investigated. The acousto-optic receiver with 1GHz bandwidth is demonstrated in experiment.
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As an important method of signal receiving and processing, acousto-optic receiver can intercept wideband signal in RF domain. A large number of narrow channels for measuring RF signal can be realized by acousto-optic Bragg diffraction. The weak signal detection with high sensitivity can be implemented using time integrating photodetector array. In this paper, the principle and characteristics of time integrating acousto-optic receiver are investigated. The acousto-optic receiver with 1GHz bandwidth is demonstrated in experiment.
Key concepts: Bandwidth (computing), Wideband, Sensitivity (control systems), SIGNAL (programming language), Photodetector, Signal processing, Radio receiver design, Diffraction