Fabrication and Characterization of Cylindrical Light Diffusers Comprised of Shape Memory Polymer

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We have 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. Devices were 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 were characterized for various blasting pressures, nozzle-to-sample distances, and nozzle translation speeds. The diffusers were generally strongly forward-directed and consistently withstood over 8 W of incident infrared laser light without suffering damage when immersed ... continued below

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Small IV, W; Buckley, P R; Wilson, T S; Loge, J M; Maitland, K D & Maitland, D J January 29, 2007.

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We have 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. Devices were 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 were characterized for various blasting pressures, nozzle-to-sample distances, and nozzle translation speeds. The diffusers were generally strongly forward-directed and consistently withstood over 8 W of incident infrared laser light without suffering damage when immersed in water. These devices are suitable for various endoluminal and interstitial biomedical applications.

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PDF-file: 25 pages; size: 1.8 Mbytes

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  • Journal Name: Journal of Biomedical Optics, vol. 13, no. 2, April 30, 2008, pp. 024018; Journal Volume: 13; Journal Issue: 2

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  • Report No.: UCRL-JRNL-227632
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 940504
  • Archival Resource Key: ark:/67531/metadc896363

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  • January 29, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 28, 2016, 2:36 p.m.

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Small IV, W; Buckley, P R; Wilson, T S; Loge, J M; Maitland, K D & Maitland, D J. Fabrication and Characterization of Cylindrical Light Diffusers Comprised of Shape Memory Polymer, article, January 29, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc896363/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.