Broadband microwave imaging with spectral hole burning for squint compensation

Autor:	Youzhi Li, Kelvin H. Wagner, Frisco Schlottau, B. Braker, Donghua Gu
Rok vydání:	2005
Předmět:	Physics business.industry Physics::Optics Laser law.invention symbols.namesake Microwave imaging Fourier transform Narrowband Optics law Computer Science::Computer Vision and Pattern Recognition Broadband symbols Spectral hole burning business Microwave Beam (structure)
Zdroj:	SPIE Proceedings.
ISSN:	0277-786X
DOI:	10.1117/12.604146
Popis:	We present an optical approach to 1-D broadband microwave imaging. The imager uses a Fourier optical beamformer to generate a squinted broadband image which is then spectrally resolved by burning a spatial distribution (an image) of spectral signals into a spectral-hole burning material. This spatial-spectral image corresponds to the spectral content of the image at each resolveable spatial point. These narrowband images may be sequentially read out with a chirped laser, scaled to compensate for beam squint, and summed to form a broadband microwave image.
Databáze:	OpenAIRE
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