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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 879–889

Sm3+-doped germanate glass channel waveguide as light source for minimally invasive photodynamic therapy surgery

B.J. Chen, L.F. Shen, E.Y.B. Pun, and H. Lin  »View Author Affiliations

Optics Express, Vol. 20, Issue 2, pp. 879-889 (2012)

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In Sm3+-doped K+–Na+ ion-exchanged aluminum germanate (NMAG) glass channel waveguide, a clear and compact red amplified spontaneous emission (ASE) trace is observed under the excitation of a 488nm Ar+ laser. 78% photons of ASE fluorescence in visible region are demonstrated to be located in 600−730nm wavelength range. High-directivity and high-brightness ASE fluorescence of Sm3+-doped NMAG glass channel waveguide, which matches the excitation band of most photosensitizers (PS) currently used in photodynamic therapy (PDT) or clinical trials, has promising potential application as an excitation light source for PDT treatment.

© 2012 OSA

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(230.7380) Optical devices : Waveguides, channeled
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: October 28, 2011
Revised Manuscript: December 3, 2011
Manuscript Accepted: December 6, 2011
Published: January 3, 2012

Virtual Issues
Vol. 7, Iss. 3 Virtual Journal for Biomedical Optics

B.J. Chen, L.F. Shen, E.Y.B. Pun, and H. Lin, "Sm3+-doped germanate glass channel waveguide as light source for minimally invasive photodynamic therapy surgery," Opt. Express 20, 879-889 (2012)

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