Searching for optimal sensitivity of single-mode D-type optical fiber sensor in the phase measurement

Chiu, Ming-Hung; Shih, Chih-Hsien

doi:10.1016/j.snb.2007.12.050

Cited by 28 publications

(19 citation statements)

References 20 publications

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“…Experiments conducted on alcohol with variable concentrations showed a good agreement between simulations and experiment results [61]. Numerical simulations on 3-layer (glass core-goldsensing layer) [62] and 4-layer (glass core-silicon dioxidegold-sensing layer) [63] configurations of this D-type optical fiber sensor were carried out, and optimal parameters were suggested. Later, Chou et.…”

Section: Optical Heterodynementioning

confidence: 70%

“…Optical heterodyning offers the third opportunity, which is based on the analysis of the differential frequency between two frequencyshifted orthogonally polarized s-and p-components of light reflected under SPR. Similarly to temporally modulated polarimetry, this approach makes possible an efficient noise removal and phase treatment tools [60][61][62][63][64][65][66], while its imaging prospects look more complicated. It is important that all three approaches are capable of providing much better sensitivities and related 1-2 order of magnitude lower detection limits.…”

Section: Surface Plasmon Resonance: Phase Vs Amplitudementioning

confidence: 99%

“…Since 2005, Chiu and coworkers have reported a series of research works on the development of optical sensors based on the heterodyne detection [61][62][63]. Instead of using the prism coupler, their sensors were based on single mode optical fiber.…”

Section: Optical Heterodynementioning

confidence: 99%

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Phase‐sensitive surface plasmon resonance biosensors: methodology, instrumentation and applications

et al. 2012

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International audienceSurface Plasmon Resonance (SPR) has become a central tool for label-free characterization of biomolecular interactions. Based on monitoring of amplitude characteristics, conventional SPR sensors have been extensively explored, commercialized and applied for studies of many important interactions (antigen-antibody, protein-ligand etc), but this technology still lacks of sensitivity for the detection of relatively small and low copy number compounds. Phase-sensitive SPR has recently emerged as an upgrade of this technology to resolve the sensitivity issue. Profiting from a sharp phase jump under SPR and ultra-sensitive tools of its control, this technology offers up to 100-time improvement of the detection limit, giving access to the detection of trace amounts of small molecular weight analytes (drugs etc). This paper intends to provide a tutorial on basic concepts of phase detection in SPR sensing, compare the performance of phase- and amplitude-sensitive sensors, review recent progress in the development and applications of phase-sensitive SPR sensors, and outline future prospects and trends of this technology

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Section: Optical Heterodynementioning

confidence: 70%

Section: Surface Plasmon Resonance: Phase Vs Amplitudementioning

confidence: 99%

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Phase‐sensitive surface plasmon resonance biosensors: methodology, instrumentation and applications

et al. 2012

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“…We consider the D−shape fibre−optic sensor shown in Fig.1 [15][16][17]. Regions 1, 2, 3, 4 in the figure are core, cladding, metal layer and external medium respectively.…”

Section: Theorymentioning

confidence: 99%

“…To calculate the effective reflectance R of the structure, the reflectance ¢ R for a single reflection is raised to the power of the number of reflections m within the sensor [16,17], that is…”

Section: Theorymentioning

confidence: 99%

Analytical sensitivity and reflected power through a D-shape optical fibre sensor

Ubeid

Shabat

2014

Opto-Electronics Review

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In this paper, the reflection properties and sensitivity of a D-shape optical fibre sensor are investigated theoretically and numerically with the emphasis on the metal layer [gold (Au), silver (Ag), copper (Cu), and aluminum (Al)]. Maxwell’s equations are used to determine the electric and magnetic fields of the incident waves at each layer. Snell’s law is applied and the boundary conditions are imposed at each layer interface to calculate the reflected power and sensitivity of the sensor. In the numerical results, the mentioned power is computed and illustrated as a function of wavelength, angle of incidence, metal layer thickness and refractive index of the external medium when the metal layer changes. The variation of sensitivity with the wavelength of the incident radiations is also proposed for some of the given metals.

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Surface Plasmon Resonance Based Fiber Optic Sensors

Gupta

2011

Reviews in Plasmonics

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Searching for optimal sensitivity of single-mode D-type optical fiber sensor in the phase measurement

Cited by 28 publications

References 20 publications

Phase‐sensitive surface plasmon resonance biosensors: methodology, instrumentation and applications

Phase‐sensitive surface plasmon resonance biosensors: methodology, instrumentation and applications

Analytical sensitivity and reflected power through a D-shape optical fibre sensor

Surface Plasmon Resonance Based Fiber Optic Sensors

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