Invention Grant
US08110159B2 AOTF-based imaging system and method for hyperspectral and multispectral imaging of specimens including medical tissue 有权
基于AOTF的成像系统和用于包括医疗组织的标本的高光谱和多光谱成像的方法

AOTF-based imaging system and method for hyperspectral and multispectral imaging of specimens including medical tissue
Abstract:
An imaging system includes a platform for placement of a sample or an animal to be imaged, and at least one excitation light source for irradiating the sample or animal to stimulate an emission at a plurality of different center wavelengths. An acousto-optic tunable filter (AOTF) is provided that includes a piezoelectric transducer crystal for emitting an acoustic wave having a ground electrode disposed on one side of the piezoelectric crystal. A patterned electrode layer is disposed on a side of the piezoelectric crystal opposite the ground electrode. The patterned electrode layer includes a continuous region proximate to its center and a discontinuous region, a pattern in the discontinuous region comprising a plurality of spaced apart features electrically connected to the continuous region, and an AO interaction crystal receiving the acoustic wave attached to the ground electrode or the patterned electrode layer.
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