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SYSTEMS AND METHODS OF GRUENEISEN-RELAXATION PHOTOACOUSTIC MICROSCOPY AND PHOTOACOUSTIC WAVEFRONT SHAPING
SYSTEMS AND METHODS OF GRUENEISEN-RELAXATION PHOTOACOUSTIC MICROSCOPY AND PHOTOACOUSTIC WAVEFRONT SHAPING
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机译:固相弛豫光声显微镜和光波前锋整形的系统和方法
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摘要
Systems and methods for focusing a light pulse within a focus area using nonlinear photoacoustic wavefront shaping (PAWS) are disclosed herein. The method includes modulating a spatial phase pattern of a light pulse's waveform based on a Grueneisen-relaxation photoacoustic (GR-PA) feedback signal. In addition, systems and methods for performing Grueneisen-relaxation photoacoustic microscopy (GR-PAM) are disclosed herein that include analyzing photoacoustic signals resulting from illumination of a focus region by two closely spaced light pulses. A method of obtaining an absorption coefficient of a sample using Grueneisen-relaxation photoacoustic microscopy (GR-PAM) is also disclosed.
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