HUANG Zelu,LI Xin,SU Delei,et al.Research on phase diversity method based on L-BFGS for fluorescence microscopy in adaptive optics[J].OPTICAL TECHNIQUE,2025,51(06):649-655.
HUANG Zelu,LI Xin,SU Delei,et al.Research on phase diversity method based on L-BFGS for fluorescence microscopy in adaptive optics[J].OPTICAL TECHNIQUE,2025,51(06):649-655.DOI:
Research on phase diversity method based on L-BFGS for fluorescence microscopy in adaptive optics
Fluorescence microscopy is widely used in the study of cell structures and dynamic processes due to its minimal sample damage and ability to perform specific labeling. However
when the light wavefront is distorted due to system defects or refractive effects of the sample
these optical aberrations can significantly reduce imaging contrast and resolution. Adaptive optics (AO) is a technology used to correct wavefront distortions. By combining adaptive optics with fluorescence microscopy
imaging quality can be effectively improved. The fluorescence microscopy phase diversity (PD) adaptive optics technique based on the limited-memory Broyden-Fletcher-Goldfarb-Shanno (L-BFGS) method is proposed. Phase diversity adaptive optics was initially used in astronomical observations
and its application in biological sample microscopy has not been fully explored. Simulation and experimental results show that
compared to the fluorescence microscopy phase diversity adaptive optics technique based on the Gauss-Newton method
the proposed method offers significant advantages in computational speed and wavefront reconstruction capabilities. The research results provide an important theoretical foundation for restoring diffraction-limited imaging of biological cells.
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