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Omidi P, Hamidi A, Ahadi Akhlaghi E. Simultaneous thickness and group index measurement with Spectral Domain Optical Coherence Tomography. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :61-64
URL: http://opsi.ir/article-1-1492-en.html
URL: http://opsi.ir/article-1-1492-en.html
Simultaneous thickness and group index measurement with Spectral Domain Optical Coherence Tomography
1- Department Physics, Institute for Advanced Studies in Basic Sciences (IASBS)
Abstract: (2637 Views)
Optical Coherence Tomography is a new, non-destructive method based on low coherence interferometry that can identify different layers of a sample with high speed. In this article, we present a method based on spectral domain optical coherence tomography with visible light source that can measure group refractive index and thickness of multilayer samples simultaneously with 1 micrometer axial resolution. The results obtained uncertainties in the second decimal place for index value and thickness accurate to within 1 micrometer.
Keywords: Low Coherence Interferometry, Refractive Index, Spectral Domain Optical Coherence Tomography, Thickness Measurement.
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