Optical characterization of porcine articular cartilage using a polarimetry technique with differential Mueller matrix formulism

Ching Min Chang, Yu Lung Lo, Nghia Khanh Tran, Yu Jen Chang

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A method is proposed for characterizing the optical properties of articular cartilage sliced from a pig’s thighbone using a Stokes–Mueller polarimetry technique. The principal axis angle, phase retardance, optical rotation angle, circular diattenuation, diattenuation axis angle, linear diattenuation, and depolarization index properties of the cartilage sample are all decoupled in the proposed analytical model. Consequently, the accuracy and robustness of the extracted results are improved. The glucose concentration, collagen distribution, and scattering properties of samples from various depths of the articular cartilage are systematically explored via an inspection of the related parameters. The results show that the glucose concentration and scattering effect are both enhanced in the superficial region of the cartilage. By contrast, the collagen density increases with an increasing sample depth.

Original languageEnglish
Pages (from-to)2121-2127
Number of pages7
JournalApplied optics
Volume57
Issue number9
DOIs
Publication statusPublished - 2018 Mar 20

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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