JOURNAL ARTICLE
Acousto-optic heterodyne channelizer
Abstract
A heterodyne spectrum analysis AO channelizer is proposed. The basic theory of heterodyne spectrum analysis is described, and an interferometric optical system and an instantaneous photodetector array are introduced. The methods for designing a local reference signal are discussed. Using this AO channelizer a large dynamic range (>50 dB), large number of channels (>100) and high frequency resolution (25 kHz) can be achieved.
Keywords:
Heterodyne (poetry) Interferometry Dynamic range Optics Heterodyne detection Superheterodyne receiver Photodetector Resolution (logic) SIGNAL (programming language) Computer science Physics Telecommunications Radio frequency Acoustics Laser
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Topics
Optical and Acousto-Optic Technologies
Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics
Photorefractive and Nonlinear Optics
Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics
Photonic and Optical Devices
Physical Sciences → Engineering → Electrical and Electronic Engineering
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