In-fiber polarimeters based on hollow-core photonic bandgap fibers

Xuan, Haifeng; Jin, Wei; Zhang, Min; Ju, Jian; Liao, Yanbiao

doi:10.1364/oe.17.013246

Cited by 30 publications

(15 citation statements)

References 28 publications

(47 reference statements)

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“…Indeed a number of interferometric sensors based on HC-PBGFs spliced to SMFs with flat cleaved end-facets to define Fabry-Perot interferometers have been reported [121] which have allowed direct verification of the reduced temperature sensitivity. Polarimeters based on HC-PBGFs have also been shown [122].…”

Section: Optical Fibre Sensingmentioning

confidence: 99%

Hollow-core photonic bandgap fibers: technology and applications

2013

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Since the early conceptual and practical demonstrations in the late 1990s, Hollow-Core Photonic Band Gap Fibres (HC-PBGFs) have attracted huge interest by virtue of their promise to deliver a unique range of optical properties that are simply not possible in conventional fibre types. HC-PBGFs have the potential to overcome some of the fundamental limitations of solid fibres promising, for example, reduced transmission loss, lower nonlinearity, higher damage thresholds and lower latency, amongst others. They also provide a unique medium for a range of light: matter interactions of various forms, particularly for gaseous media. In this paper we review the current status of the field, including the latest developments in the understanding of the basic guidance mechanisms in these fibres and the unique properties they can exhibit. We also review the latest advances in terms of fibre fabrication and characterisation, before describing some of the most important applications of the technology, focusing in particular on their use in gas-based fibre optics and in optical communications.

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Section: Optical Fibre Sensingmentioning

confidence: 99%

Hollow-core photonic bandgap fibers: technology and applications

2013

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“…8) In-line polarimeters (or polarization mode interferometers) have also been fabricated by cascading two such polarizers along an air-core PBG-MOF. Such polarimeters can have a device length from a few cm to many meters and have demonstrated directional response to twist [14]. …”

Section: Polarizer and Polarimetermentioning

confidence: 99%

In-line devices and sensors based on air-silica microstructure optical fibers

Jin

Liu

et al. 2010

Photonic Microdevices/Microstructures for Sensing II

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This paper reports some of our recent work on in-line devices based on air-silica microstructrue optical fibers. These devices are fabricated by use of a CO 2 laser/a femtosecond infrared laser and include strong long period gratings in index-guiding fibers and air-core photonic bandgap fibers, in-fiber polarizers, polarimeters, and modal interferometers. Applications of such devices for strain, temperature, directional bend, twist, and gas sensing are discussed.

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“…However, the temperature always results in cross-sensitivity for the LPFG, which is unsuitable for real applications. In addition, a fiber twist sensor based on the interference between multi-mode or two linear polarization (LP) modes is presented [14,15]. The interferometric twist sensors not only show a high sensitivity of twist angle, but also possess low temperature cross-sensitivity.…”

Section: Introductionmentioning

confidence: 99%

Phase-shifted helical long-period grating-based temperature-insensitive optical fiber twist sensors

Zhu¹,

Krishnaswamy²,

Jiang

2015

SPIE Proceedings

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In smart structure monitoring, twist angle is one of the most critical mechanical parameters for infrastructure deterioration. A compact temperature-insensitive optical fiber twist sensor based on multi-phase-shifted helical long period fiber grating has been proposed and experimentally demonstrated in this paper. A multi-phase-shifted helical long period fiber grating is fabricated with a multi-period rotation technology. A / 2 π and a 3 / 2 π phase shift is introduced in the helical long period fiber grating by changing the period. The helical pitch can be effectively changed with a different twist rate, which is measured by calculating the wavelength difference between two phase shift peaks. Although the wavelength of the phase shift peak also shifts with a change of the temperature, the wavelength difference between two phase shift peaks is constant due to two fixed phase shifts in the helical long period fiber grating, which is extremely insensitive to temperature change for the multi-phase-shifted helical long period fiber grating. The experimental results show that a sensitivity of up to 1.959 nm/(rad/m) is achieved.

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In-fiber polarimeters based on hollow-core photonic bandgap fibers

Cited by 30 publications

References 28 publications

Hollow-core photonic bandgap fibers: technology and applications

Hollow-core photonic bandgap fibers: technology and applications

In-line devices and sensors based on air-silica microstructure optical fibers

Phase-shifted helical long-period grating-based temperature-insensitive optical fiber twist sensors

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