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Proceedings Paper

Recent advances on all-fiber tunable filter
Author(s): S. Yin; K. M. Reichard; J. E. Lee; C. A. Hahn; D. H. Ditto; J. Mazurowski; Q. Wang; S. Nam; Q. Zhang; Q. Chen; J. Claude
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Paper Abstract

A unique all-fiber tunable filter is based on the combination of a single resonant band long period grating (LPG) and an electro-optic polymer second cladding layer. The single resonant band LPG is fabricated by etching the cladding of a standard 125 μm thick fiber and using either ultraviolet (UV) illumination or electric arc discharge to write the grating. Once a single resonant band has been achieved, a polymer second cladding layer is applied to the LPG. The refractive index of the polymer cladding determines the resonant wavelength of the filter and is tuned by applying an external electric field. The grating fabrication method and type of polymer used for the second cladding affect filter performance, and both must be considered when designing an application specific all-fiber filter.

Paper Details

Date Published: 8 September 2005
PDF: 11 pages
Proc. SPIE 5911, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI, 59110V (8 September 2005); doi: 10.1117/12.613064
Show Author Affiliations
S. Yin, The Pennsylvania State Univ. (United States)
K. M. Reichard, The Pennsylvania State Univ. (United States)
J. E. Lee, The Pennsylvania State Univ. (United States)
C. A. Hahn, The Pennsylvania State Univ. (United States)
D. H. Ditto, The Pennsylvania State Univ. (United States)
J. Mazurowski, The Pennsylvania State Univ. (United States)
Q. Wang, The Pennsylvania State Univ. (United States)
S. Nam, The Pennsylvania State Univ. (United States)
Q. Zhang, The Pennsylvania State Univ. (United States)
Q. Chen, The Pennsylvania State Univ. (United States)
J. Claude, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 5911:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI
Francis T. S. Yu; Ruyan Guo; Shizhuo Yin, Editor(s)

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