Einstein International Journal Organization(EIJO)

ABSTRACT

In this paper, A Fiber Bragg Grating is a periodic or a periodic perturbation of the effective absorption coefficient and or the effective refractive index of an optical waveguide. Inscribing Bragg gratings in optical fibers is a formidable task. The requirement of a submicron periodic pattern makes the stability a severe constraint on the techniques able to write Bragg gratings in optical fibers. In an amplitude splitting interferometer, the UV writing laser light is split into two equal intensity beams and are later recombined after traversing through two different optical paths. This forms an interference pattern at the core of a photosensitive fiber.

[1]. Hiroshi Tsuda, “Ultrasound and damage detection in CFRP using Fiber Bragg Grating sensors”, Composites Science and Technology, vol.66, Issue 5, pp. 676-683, May 2006.

[2]. S. Baskar, P.N. Suganthan, N.Q. Ngo, A. Alphones and R.T. Zheng, “Design of triangular FBG filter for sensor applications using covariance matrix adapted evolution algorithm”, Optics Communications, vol. 260, Issue 2, pp. 716-722, 15 April 2006.

[3]. T.H.T. Chan, L. Yu, H.Y. Tam, Y.Q. Ni, S.Y. Liu, W.H. Chung and L.K. Cheng, “Fiber Bragg Grating sensors for structural health monitoring of Tsing Ma bridge: Background and experimental observation”, Engineering Structures, vol. 28, Issue 5, pp. 648-659, April 2006.

[4]. Fang Xie, Xianfeng Chen, Lin Zhang and Ming Song, “Realisation of an effective dual-parameter sensor employing a single Fiber Bragg Grating structure”, Optics and Lasers in Engineering, vol. 44, Issue 10, pp. 1088-1095, October 2006.

[5]. M. Ussorio, H. Wang, S.L. Ogin, A.M. Thorne, G.T. Reed, S.C. Tjin and R. Suresh, “Modifications to FBG sensor spectra due to matrix cracking in a GFRP composite, Construction and Building Materials”, vol. 20, Issues 1-2, pp.111-118, February-March 2006.

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[8]. Prachi Sharma et al, “A Review of the Development in the Field of Fiber Optic Communication Systems”, International Journal of Emerging Technology and Advanced Engineering, Vol. 3, no. 5, pp. 113-119, 2013.

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[11]. Ramadas, M.R.; Varshney, R.K.; Thyagarajan, K.; Ghatak, A.K., "A matrix approach to study the propagation characteristics of a general nonlinear planar waveguide," Lightwave Technology, Journal of , vol.7, no.12, pp.1901-1905, Dec 2000.

[12]. Rajiv Srivastava, Rajat Kumar Singh, Y.N.Singh, "Optical Packet Switch Based on Tunable Fiber Bragg Grating," IEEE Tencon 2008, Hyderabad, pp.4,19-21 Nov.2008.

[13]. Ritwick Das and K Thyagarajan, Enhanced bandwidth optical parametric amplifier using Bragg reflection waveguide, Frontiers in Optics 2007/Laser Science XXIII conferences, San Jose, September, 2007.

[14].  Hang-yin Ling, Kin-tak Lau, Li Cheng and Wei Jin, “Viability of using an embedded FBG sensor in a composite structure for dynamic strain measurement”, Measurement, vol. 39, Issue, pp. 328-3344, May 2006.

[15]. Hiroshi Tsuda, “Ultrasound and damage detection in CFRP using Fiber Bragg Grating sensors”, Composites Science and Technology, vol. 66, Issue, pp. 676-683, 5 May 2006.

[16]. S. Baskar, P.N. Suganthan, N.Q. Ngo, A. Alphones and R.T. Zheng “Design of triangular FBG filter for sensor applications using covariance matrix adapted evolution algorithm”, Optics Communications, vol. 260, Issue 2, pp.716-722, 15 April 2006.