23 April 2017 Optimised process for fabricating tapered long period gratings
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103232C (2017) https://doi.org/10.1117/12.2263275
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
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.
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K. Mullaney, K. Mullaney, S. E. Staines, S. E. Staines, S. W. James, S. W. James, R. P. Tatam, R. P. Tatam, } "Optimised process for fabricating tapered long period gratings", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103232C (23 April 2017); doi: 10.1117/12.2263275; https://doi.org/10.1117/12.2263275
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