19 May 2005 Broadband microwave imaging with spectral hole burning for squint compensation
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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.
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Benjamin M. Braker, Benjamin M. Braker, Youzhi Li, Youzhi Li, Donghua Gu, Donghua Gu, Frisco Schlottau, Frisco Schlottau, Kelvin H. Wagner, 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); doi: 10.1117/12.604146; https://doi.org/10.1117/12.604146
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