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Proceedings Paper

Optimised process for fabricating tapered long period gratings
Author(s): K. Mullaney; S. E. Staines; S. W. James; R. P. Tatam
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Paper Abstract

The process of fabricating tapered long period gratings (TLPGs) using a CO2 laser is described. TLPGs with a period spacing of 378 μm, were fabricated by optimization of the taper waist diameter and careful control of the duty-cycle and its uniformity along the length of the grating. The 6-period TLPGs exhibited a pass-band insertion loss of 0.6 dB, resonance band extinction values of 3 dB and had a physical length of 2.27 mm.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103232C (23 April 2017); doi: 10.1117/12.2263275
Show Author Affiliations
K. Mullaney, Cranfield Univ. (United Kingdom)
S. E. Staines, Cranfield Univ. (United Kingdom)
S. W. James, Cranfield Univ. (United Kingdom)
R. P. Tatam, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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