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SYSTEMS FOR CHROMATIC ABERRATION CORRECTION IN TOTAL INTERNAL REFLECTION FLUORESCENCE MICROSCOPY
SYSTEMS FOR CHROMATIC ABERRATION CORRECTION IN TOTAL INTERNAL REFLECTION FLUORESCENCE MICROSCOPY
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机译:总内反射荧光显微镜中的色差校正系统
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摘要
Correction elements that can be incorporated in objective-based TIRF microscopy instruments to correct for chromatic aberrations are described. A correction element can be placed between a multiple wavelength excitation beam source and the microscope objective lens. In one aspect, the thickness of the correction element is defined to compensate for different axial positions of the focal points associated with each excitation wavelengths traveling along the outer edge of lenses comprising a microscope objective lens. In another aspect, the correction element can be angled and/or configured so that the different wavelengths of multiple wavelength excitation light are shifted to adjust the angle of incidence for each wavelength at the specimen/substrate interface.
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