Polarization Sensitive Optical Coherence Tomography for Materials Characterization
Kunakorn Palawong, Somchai Sonsupap, Santi Maensiri and Panomsak Meemon* Author for corresponding; e-mail address: panomsak@sut.ac.th
Volume: Vol.45 No.5 (Special 2018)
Research Article
DOI:
Received: 1 November 2017, Revised: -, Accepted: 30 April 2018, Published: -
Citation: Palawong K., Sonsupap S., Maensiri S. and Meemon P., Polarization Sensitive Optical Coherence Tomography for Materials Characterization, Chiang Mai Journal of Science, 2018; 45(5): 2232-2237.
Abstract
Polarization sensitive optical coherence tomography (PS-OCT) is an extension of optical coherence tomography (OCT), which is a technique of non-contact and non-destructive 3D imaging. PS-OCT can provide cross-sectional image of not only the inner structure of a sample but also its birefringence properties, such as phase retardation and crystal axis orientation. In this paper, the implementation of our custom-designed PS-OCT system is descripted. The developed PS-OCT system has been designed for characterization and investigation of the birefringence properties of fibrous materials. Examples of the application of the developed PS-OCT for characterizing the birefringence of a cover slide glass, a multi-layered plastic tape, and a thin film of fibrous materials fabricated by electrospinning technique are presented. The experimental results verified that the implemented PS-OCT system can differentiate between isotropic and anisotropic media.