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Birefringent spatial differentiation enabled quantitative phase microscopy

delete2026-04-16
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PRE
AI
R
Ruoyi Wu
Q
Qiang Yang *
Y
Yan Wang
Y
Yichang Shou
H
Hailu Luo
DOI:10.1016/j.optlaseng.2026.109816delete
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Abstract

Abstract

En 中文
• We propose a new method for optical spatial differentiation and quantitative phase microscopy based on the birefringence effect of a 0.4 mm-thick calcite crystal. • We establish a differential interference measurement theory based on the birefringence effect, which serves as a robust method for high-precision measurement of minute displacements. • The system complexity was reduced and the imaging efficiency was improved by using thin plate crystals and unidirectional gradient phase recovery methods.
Keywords:
birefringence
spatial differentiation
quantitative phase microscopy
calcite crystal
phase recovery

Journal

Optics and Lasers in Engineering cover
Optics and Lasers in Engineering
IF:
3.7
Papers:
7.2K
Citations:
1.7W

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