Novel refractometer using a tapered optical fibre

Kumar, Arun; Subrahmanyam, T.V.B.; Sharma, Ankit; Thyagarajan, K.; Pal, Bishnu P.; Goyal, I.C.

doi:10.1049/el:19840370

Cited by 61 publications

(32 citation statements)

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“…When light propagates from a fiber of diameter a i to a region of diameter a o through a tapered region, the fraction of optical power coupled is given by Kumar et al [11] as…”

Section: Sensor Design and Principlementioning

confidence: 99%

Liquid level sensor using etched silica fiber

Linesh

Sudeesh

Radhakrishnan

et al. 2010

Micro & Optical Tech Letters

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An all optical fiber, intensity modulated sensor for discrete liquid level sensing is presented. The highly sensitive and robust design requires only silica fibers, an optical source and a Figure 8 MW-BFL after insertion of bi-directional pumping S-band EDF. [Color figure can be viewed in the online issue, which is available at www.interscience.wiley.com]ABSTRACT: A novel key-shaped CPW-fed monopole UWB antenna is proposed in this article. A high frequency structure simulator is used to analyze the proposed antenna in the design process. The proposed antenna has an extremely wide frequency band range, the impedance Figure 6 Sensor response for probes with different tip lengths 886

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“…When light propagates from a fiber of diameter a i to a region of diameter a o through a tapered region, the fraction of optical power coupled is given by Kumar et al [11] as…”

Section: Sensor Design and Principlementioning

confidence: 99%

Liquid level sensor using etched silica fiber

Linesh

Sudeesh

Radhakrishnan

et al. 2010

Micro & Optical Tech Letters

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“…The first taper-based sensor was used as an optical refractometer. In 1984, Kumar et al [1] presented a taper in multimode fiber as an optical intensity refractometer. In 1986, Boucouvalas et al [2] studied the response of taper-based couplers to the refractive index of the external medium.…”

Section: Introductionmentioning

confidence: 99%

Post-processing Fibers for Sensing Applications

et al. 2014

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“…Optical fiber RI sensors have been gaining interest due to its high sensitivity, compact size and capability for on-site, real-time, remote and distributed sensing. Over the years several optical fiber refractometers were demonstrated based on fiber tapers [3], etched or side polished fiber Bragg gratings [4,5], Long-Period grating (LPG) [6] and surface Plasmon resonance (SPR) [7] among others. SPR based devices are the most diffused ones, they are very attractive because they have some of the highest sensitivities ever achieved [8].…”

Section: Introductionmentioning

confidence: 99%

High refractive index and temperature sensitivity LPGs for high temperature operation

et al. 2013

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A fiber optic sensor for high sensitivity refractive index and temperature measurement able to withstand temperature up to 450 ºC is reported. Two identical LPG gratings were fabricated, whereas one was coated with a high refractive index (~1.78) sol-gel thin film in order to increase its sensitivity to the external refractive index. The two sensors were characterized and compared in refractive index and temperature. Sensitivities of 1063 nm/RIU (1.338 -1.348) and 260 pm/ºC were achieved for refractive index and temperature, respectively.

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Novel refractometer using a tapered optical fibre

Cited by 61 publications

References 0 publications

Liquid level sensor using etched silica fiber

Liquid level sensor using etched silica fiber

Post-processing Fibers for Sensing Applications

High refractive index and temperature sensitivity LPGs for high temperature operation

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