Broadband microwave imaging with spectral hole burning for squint compensation

Benjamin M. Braker; Youzhi Li; Donghua Gu; Frisco Schlottau; Kelvin H. Wagner

doi:10.1117/12.604146

19 May 2005 Broadband microwave imaging with spectral hole burning for squint compensation

Benjamin M. Braker, Youzhi Li, Donghua Gu, Frisco Schlottau, Kelvin H. Wagner

Proceedings Volume 5789, Passive Millimeter-Wave Imaging Technology VIII; (2005) https://doi.org/10.1117/12.604146
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

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.

Citation Download Citation

Benjamin M. Braker, Youzhi Li, Donghua Gu, Frisco Schlottau, and Kelvin H. Wagner "Broadband microwave imaging with spectral hole burning for squint compensation", Proc. SPIE 5789, Passive Millimeter-Wave Imaging Technology VIII, (19 May 2005); https://doi.org/10.1117/12.604146

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