Group refractive index measurement of dry and hydrated type I collagen films using optical low-coherence reflectometry

Xiao Jun Wang, Thomas E. Milner, Michael C. Chang, J. Stuart Nelson

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

The group refractive index and physical thickness of dry and hydrated type I collagen films are measured using optical low-coherence reflectometry. The average value for the group refractive index of dry and fully hydrated collagen films at λo = 850 nm is, respectively, 1.53 ±0.02, and 1.43 ±0.02. The physical thickness of type I collagen films nearly doubles when going from the dry (56 μm) to hydrated (118 μm) state.

Original languageEnglish
Pages (from-to)212-216
Number of pages5
JournalJournal of Biomedical Optics
Volume1
Issue number2
DOIs
StatePublished - Apr 1996

Keywords

  • Group refractive index
  • Hydrated type I collagen films
  • Reflectometry

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