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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 22 — Aug. 1, 2010
  • pp: 4175–4181

Fabrication and characterization of sandwiched optical fibers with periodic gratings

Chia-Chin Chiang  »View Author Affiliations

Applied Optics, Vol. 49, Issue 22, pp. 4175-4181 (2010)

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This study proposes a novel process for fabricating a sandwiched long-period fiber grating (SLPFG) using a SU-8 thick photoresist technique. The SLPFG consists of a thin cladding optical fiber sandwiched with a double-sided periodical grating coating. By varying the external loads on the SLPFG, the transmission dip of the resonance wavelength is tuned according to a squared-harmonic curve. The SLPFG can thus be utilized as a loss tunable filter or sensor. The resonance dip wavelength is related to the cladding thicknesses of the optical fiber and the periods of the grating. A maximum transmission resonant dip of 34.61 dB was achieved.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.2440) Instrumentation, measurement, and metrology : Filters
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 12, 2010
Revised Manuscript: July 1, 2010
Manuscript Accepted: July 1, 2010
Published: July 23, 2010

Chia-Chin Chiang, "Fabrication and characterization of sandwiched optical fibers with periodic gratings," Appl. Opt. 49, 4175-4181 (2010)

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