Simultaneous measurement of refractive index and thickness for optically transparent object with a dual-wavelength quantitative technique

• Autorzy: Xu X. , Wang Y. , Xu Y. , Jin W.

Identyfikatory

DOI

10.5277/oa160407

• Języki publikacji: EN

Abstrakty

EN

We present a new dual-wavelength quantitative measurement approach that can be employed for simultaneously measuring both the refractive index and the thickness of the homogenous specimen. This method is realized by dual-wavelength in-line phase-shifting digital holography, and then the phase images are obtained by using four-phase step algorithm for each wavelength separately. Based on computer simulation technology, the feasibility and the effectiveness of our proposed method are demonstrated by comparing our simulation results with the experimental results of the spherical silica bead and the red blood cell, respectively. Our work will provide some guidance in the experimental research for transparent phase objects.

Słowa kluczowe

EN

digital holography; phase measurement; cell measurement; red blood cell

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2016
• Tom: Vol. 46, nr 4
• Strony: 597--605
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Xu X.

• School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
• School of Mechanical Engineering, Yangzhou Polytechnic College, Yangzhou 225009, China

autor

Wang Y.

• School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
• Faculty of Science, Jiangsu University, Zhenjiang 212013, China

autor

Xu Y.

• School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

autor

Jin W.

• School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).