1 March 2008 Fabrication and characterization of cylindrical light diffusers comprised of shape memory polymer
Author Affiliations +
J. of Biomedical Optics, 13(2), 024018 (2008). doi:10.1117/1.2904952
Abstract
We developed a technique for constructing light diffusing devices comprised of a flexible shape memory polymer (SMP) cylindrical diffuser attached to the tip of an optical fiber. The devices are fabricated by casting an SMP rod over the cleaved tip of an optical fiber and media blasting the SMP rod to create a light diffusing surface. The axial and polar emission profiles and circumferential (azimuthal) uniformity are characterized for various blasting pressures, nozzle-to-sample distances, and nozzle translation speeds. The diffusers are generally strongly forward-directed and consistently withstand over 8 W of incident IR laser light without suffering damage when immersed in water. These devices are suitable for various endoluminal and interstitial biomedical applications.
Ward Small, Patrick R. Buckley, Thomas S. Wilson, Jeffrey M. Loge, Kristen D. C. Maitland, Duncan J. Maitland, "Fabrication and characterization of cylindrical light diffusers comprised of shape memory polymer," Journal of Biomedical Optics 13(2), 024018 (1 March 2008). http://dx.doi.org/10.1117/1.2904952
JOURNAL ARTICLE
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KEYWORDS
Diffusers

Optical fibers

Diffusion

Foam

Sensors

Shape memory polymers

Absorption

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