Lab-on-fiber technology: a new avenue for optical nanosensors

Consales, M.; Pisco, Marco; Cusano, A.

doi:10.1007/s13320-012-0095-y

Cited by 60 publications

(29 citation statements)

References 170 publications

(216 reference statements)

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“…According to a result of waveguide perturbation theory [13], the change in the effective refractive index of the propagating mode due to a refractive index change in some part of the waveguide is proportional to the fraction of the mode power in this specific part of the waveguide, defined as (18) where p S is the area where the refractive index has changed and tot S is the total area of the waveguide. Further, according to (13), the sensitivity S is proportional to eff n  and consequently it will also be proportional to  p .…”

Section: Simulations Results and Discussion Regarding Design Optimimentioning

confidence: 99%

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A study on refractive index sensors based on optical micro-ring resonators

Tsigaridas

2017

Photonic Sens

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Abstract:In this work, the behavior of refractive index sensors based on optical micro-ring resonators is studied in detail. Using a result of waveguide perturbation theory in combination with numerical simulations, the optimum design parameters of the system, maximizing the sensitivity of the sensor, are determined. It is found that, when optimally designed, the sensor can detect relative refractive index changes of the order of n/n310 4 , assuming that the experimental setup can detect relative wavelength shifts of the order of /310 5. The behavior of the system as bio-sensor has also been examined. It is found that, when optimally designed, the system can detect refractive index changes of the order of n10 3 for a layer thickness of t=10 nm, and changes in the layer thickness of the order of t0.24 nm, for a refractive index change of n=0.05.

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Section: Simulations Results and Discussion Regarding Design Optimimentioning

confidence: 99%

“…In recent years, the use of photonic nano-sensors as bio-sensors is a hot topic of research, with a plethora of designs and applications [18][19][20][21][22][23]. Therefore, in the following, the behavior of the system described in the previous section as biosensor is considered.…”

Section: Study Of the Bio-sensing Properties Of The Systemmentioning

confidence: 99%

A study on refractive index sensors based on optical micro-ring resonators

Tsigaridas

2017

Photonic Sens

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“…[196][197][198][199] In this currently evolving technology, major efforts include attaching patterned layers of nanoparticles either on the tip of a fiber or as a nanocoating over a Bragg grating written inside a microstructured optical fiber. When a patterned nanostructure is deposited on the tip of a standard optical fiber, localized surface plasmon resonances (LSPRs) can be excited by an illuminating optical wave because of a phase matching condition between the scattered waves and the modes supported by the nanostructure.…”

Section: Lab-on-fiber Conceptsmentioning

confidence: 99%

Review of diverse optical fibers used in biomedical research and clinical practice

et al. 2014

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Abstract. Optical fiber technology has significantly bolstered the growth of photonics applications in basic life sciences research and in biomedical diagnosis, therapy, monitoring, and surgery. The unique operational characteristics of diverse fibers have been exploited to realize advanced biomedical functions in areas such as illumination, imaging, minimally invasive surgery, tissue ablation, biological sensing, and tissue diagnosis. This review paper provides the necessary background to understand how optical fibers function, to describe the various categories of available fibers, and to illustrate how specific fibers are used for selected biomedical photonics applications. Research articles and vendor data sheets were consulted to describe the operational characteristics of conventional and specialty multimode and single-mode solid-core fibers, double-clad fibers, hard-clad silica fibers, conventional hollow-core fibers, photonic crystal fibers, polymer optical fibers, side-emitting and side-firing fibers, middle-infrared fibers, and optical fiber bundles. Representative applications from the recent literature illustrate how various fibers can be utilized in a wide range of biomedical disciplines. In addition to helping researchers refine current experimental setups, the material in this review paper will help conceptualize and develop emerging optical fiber-based diagnostic and analysis tools.

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“…More complex hybrid micro-or nano-structured devices such as nano-layered micro-structured fiber devices, LPGs within D-shaped fibers, carbon nanotubes integration with fibers, function materials integration in micro-optic fibers, hybrid metallo-dielectric nanostructures on fiber facet could be found in [290,291].…”

Section: Hybrid Micro-structured Devicesmentioning

confidence: 99%

Recent Developments in Micro-Structured Fiber Optic Sensors

Chen

et al. 2017

Fibers

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Recent developments in fiber-optic sensing have involved booming research in the design and manufacturing of novel micro-structured optical fiber devices. From the conventional tapered fiber architectures to the novel micro-machined devices by advanced laser systems, thousands of micro-structured fiber-optic sensors have been proposed and fabricated for applications in measuring temperature, strain, refractive index (RI), electric current, displacement, bending, acceleration, force, rotation, acoustic, and magnetic field. The renowned and unparalleled merits of sensors-based micro-machined optical fibers including small footprint, light weight, immunity to electromagnetic interferences, durability to harsh environment, capability of remote control, and flexibility of directly embedding into the structured system have placed them in highly demand for practical use in diverse industries. With the rapid advancement in micro-technology, micro-structured fiber sensors have benefitted from the trends of possessing high performance, versatilities and spatial miniaturization. Here, we comprehensively review the recent progress in the micro-structured fiber-optic sensors with a variety of architectures regarding their fabrications, waveguide properties and sensing applications.

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Lab-on-fiber technology: a new avenue for optical nanosensors

Cited by 60 publications

References 170 publications

A study on refractive index sensors based on optical micro-ring resonators

A study on refractive index sensors based on optical micro-ring resonators

Review of diverse optical fibers used in biomedical research and clinical practice

Recent Developments in Micro-Structured Fiber Optic Sensors

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