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has been cited by the following article:

• TITLE: Review of Turn around Point Long Period Fiber Gratings

  AUTHORS: Monika Gambhir, Shilpi Gupta

  KEYWORDS: LPFG (Long Period Fiber Grating), TAP (Turn around Point), SRI (Surrounding Refractive Index), LP (Linearly Polarized)

  JOURNAL NAME: Journal of Sensor Technology, Vol.5 No.4, December 30, 2015

  ABSTRACT: Long period fiber gratings are emerging as a potential candidate in the list of surrounding refractive index optical fiber sensors. Their sensitivity can be enhanced greatly if the grating period, fiber dimensions and surrounding refractive index are optimized in a way to operate at a point called turn around point on phase matching curves of these gratings. Turn around point LPFGs are well known for their ultrahigh sensitivity to external parameters. Potential of operating LPFG at or near turn around point has been investigated by many researchers in various applications including physical parameter sensing, adulteration detection, radiation dose, etc. Since TAP LPFGs are in investigation phase therefore a lot of rigorous & efficient work in finding techniques for optimizing their potential as sensor in chemical, biochemical, structural health monitoring is still to be carried out. A brief review of work carried out in this domain till now is presented here and key findings from literature review are highlighted.