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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 20 — Jul. 10, 2014
  • pp: 4398–4404

Characterization of notched long-period fiber gratings: effects of periods, cladding thicknesses, and etching depths

Chia-Chin Chiang and Chien-Chia Tseng  »View Author Affiliations


Applied Optics, Vol. 53, Issue 20, pp. 4398-4404 (2014)
http://dx.doi.org/10.1364/AO.53.004398


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Abstract

This study proposes using an inductively coupled plasma etching process to fabricate notched long-period fiber grating (NLPFG) for sensor applications. The effects of the designed parameters (i.e., different fiber cladding thicknesses, grating periods, and etching depths) are studied to explore the characterization of NLPFG. The characterization as indicated by tests of the NLPF showed that the wavelength of NLPFG produced a redshift with decreases in cladding thickness. The drift rate of the wavelength following changes in thickness was 2.801nm/μm. In addition, a redshift also was exhibited in the increased period, with a wavelength drift rate corresponding to the size of the period of 1.466nm/μm. Moreover, the results showed that the transmission loss in the spectra increased with etching depth. The variation rate of transmission loss based on etching depth was 0.458dB/μm.

© 2014 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

History
Original Manuscript: April 10, 2014
Revised Manuscript: May 29, 2014
Manuscript Accepted: May 30, 2014
Published: July 3, 2014

Citation
Chia-Chin Chiang and Chien-Chia Tseng, "Characterization of notched long-period fiber gratings: effects of periods, cladding thicknesses, and etching depths," Appl. Opt. 53, 4398-4404 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-20-4398

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