title: Durable rough skin phantoms for optical modeling.
abstract: Skin phantoms are often used to study and model light propagation. However, existing skin phantoms overlook the important effect of surface roughness on light propagation patterns. This paper reports the construction of durable phantoms with controllable surface roughness and bulk optical properties. With silica microspheres as the scattering particles, we theoretically model the scatterer density required to achieve the desired phantom optical properties before fabrication. The surface roughness and the attenuation coefficients of the constructed phantoms were validated using optical profilometry and ballistic spatial filter photometry. These rough skin phantoms were originally developed for laser speckle studies, but could also be used for studying optical phenomena where light experiences surface and bulk scattering at the same time.
authors.affiliation: Department of Dermatology and Skin Science, Vancouver Coastal Health Research Institute and University of British Columbia, Vancouver, V5Z 4E8, Canada.
authors.forename: Diana Y
authors.initials: DY
authors.lastname: Diao
authors.forename: Lioudmila
authors.initials: L
authors.lastname: Tchvialeva
authors.forename: Gurbir
authors.initials: G
authors.lastname: Dhadwal
authors.forename: Harvey
authors.initials: H
authors.lastname: Lui
authors.forename: David I
authors.initials: DI
authors.lastname: McLean
authors.forename: Tim K
authors.initials: TK
authors.lastname: Lee
mesh_terms: D006801:Humans; D008954:Models, Biological; D055620:Optical Phenomena; D019047:Phantoms, Imaging; D012867:Skin; D013499:Surface Properties