Group refractive index measurement of dry and hydrated type I collagen films using optical low-coherence reflectometry
Open Access
- 1 January 1996
- journal article
- Published by SPIE-Intl Soc Optical Eng in Journal of Biomedical Optics
- Vol. 1 (2) , 212-217
- https://doi.org/10.1117/12.227699
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 lo = 850 nm is, respectively, 1.53 6 0.02, and 1.43 6 0.02. The physical thickness of type I collagen films nearly doubles when going from the dry (56 mm) to hydrated (118 mm) state.Keywords
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