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Optical Spatial Differential Incoherent Microscopy

delete2025-04-10
delete0
PRE
AI
Y
Yongqi Zhao
S
Shuoqing Liu
Q
Qiang Yang
Y
Yichang Shou
S
Shizhen Chen *
S
Shuangchun Wen
H
Hailu Luo
DOI:10.1002/lpor.202500100delete
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摘要

摘要

En 中文
光学空间微分显微镜是一种用于生物样本无毒性、无标记成像的有效工具。现有方法主要关注相干光照明,激光散射效应不可避免地影响成像质量。本文提出了一种在非相干照明下紧凑且宽带的光学空间微分显微镜,仅通过在常规显微镜中插入一对偏振片即可实现。利用偏振片从透射光场中提取交叉偏振项完成二维微分运算。此外,详细讨论了光源相干性和波长对空间微分的影响。结果表明,该方案能够实现生物细胞、透明塑料划痕的高质量空间微分成像,并可实时监测气泡。实验证明,当入射角存在较大偏差时,系统仍能通过单个短焦距镜头成像稳定运行。该方法有望进一步缩小微分系统尺寸,推动非相干光光学显微镜的发展。
Keyword:
cross-polarization
incoherent light
optical spatial differentiation

期刊

L
Laser and Photonics Reviews
IF:
10
论文数:
3.7K
被引数:
2.1W

机构

H
hunan university
学者数:
4.5W
论文数: 3.3W
被引数: 70
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