Temperature Sensing Performance of Microsphere Resonators

Yu, Jibo; Lewis, Elfed; Brambilla, Gilberto; Wang, Pengfei

doi:10.3390/s18082515

Cited by 24 publications

(16 citation statements)

References 48 publications

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“…During the cooling process, the resistance of hydrogels basically recovered its original value, indicating that the temperature sensing of the hydrogels had good stability and repeatability. Moreover, the temperature sensing could be realized without any external stimulus (e.g., UV light) [ 36 , 37 ]. Therefore, the created DN hydrogels could be used to produce nano/micro-devices for detecting the temperature of the human body.…”

Section: Resultsmentioning

confidence: 99%

Reduced Graphene Oxide-Based Double Network Polymeric Hydrogels for Pressure and Temperature Sensing

Liu

Zhang

Wei

et al. 2018

Sensors

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We demonstrate the fabrication of novel reduced graphene oxide (rGO)-based double network (DN) hydrogels through the polymerization of poly(N-isopropylacrylamide) (PNIPAm) and carboxymethyl chitosan (CMC). The facile synthesis of DN hydrogels includes the reduction of graphene oxide (GO) by CMC, and the subsequent polymerization of PNIPAm. The presence of rGO in the fabricated PNIPAm/CMC/rGO DN hydrogels enhances the compressibility and flexibility of hydrogels with respect to pure PNIPAm hydrogels, and they exhibit favorable thermoresponsivity, compressibility, and conductivity. The created hydrogels can be continuously cyclically compressed and have excellent bending properties. Furthermore, it was found that the hydrogels are pressure- and temperature-sensitive, and can be applied to the design of both pressure and temperature sensors to detect mechanical deformation and to measure temperature. Our preliminary results suggest that these rGO-based DN hydrogels exhibit a high potential for the fabrication of soft robotics and artificially intelligent skin-like devices.

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Section: Resultsmentioning

confidence: 99%

Reduced Graphene Oxide-Based Double Network Polymeric Hydrogels for Pressure and Temperature Sensing

Liu

Zhang

Wei

et al. 2018

Sensors

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“…Optical microspheres are used extensively for temperature, humidity, and stress sensing. The working principle of microsphere resonators sensor is that the resonant wavelength or intensity of the output signal varies with the change in external environment . In 2008, Ma et al.…”

Section: Structure and Application Of Wgmrsmentioning

confidence: 99%

“…Due to the ultra-high sensitivity of the microsphere resonators, the devices have been widely used in the fields of physics, biology, and chemistry. [21] Physical Sensing: Optical microspheres are used extensively for temperature, [25][26][27][28][29][30][31] humidity, [32][33][34][35][36][37] and stress [38,39] sensing. The working principle of microsphere resonators sensor is that the resonant wavelength or intensity of the output signal varies with the change in external environment.…”

Section: Application Of Microsphere Resonatorsmentioning

confidence: 99%

“…The working principle of microsphere resonators sensor is that the resonant wavelength or intensity of the output signal varies with the change in external environment. [25] In 2008, Ma et al found that the resonance wavelength shifts red with the increase in temperature by coupling the microspheres of different sizes with the submicron tapered fiber. It was also shown that the sensitivity increases with the decrease in microsphere size.…”

Section: Application Of Microsphere Resonatorsmentioning

confidence: 99%

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Whispering Gallery Mode Optical Microresonators: Structures and Sensing Applications

Cai

Pan

Zhao

et al. 2020

Physica Status Solidi (a)

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Whispering gallery mode resonators (WGMRs) have achieved significant results due to their unique properties such as extremely small mode volume, ultra‐high quality (Q) factor, fast dynamic response, and ultra‐high sensitivity. WGM is commonly used in theoretical physics research, nonlinear optics, optoelectronic devices, and the preparation of high‐sensitivity sensors. This article briefly introduces the basic characteristics and sensing principle of WGM, the manufacturing method of WGMRs, and the sensing applications of microresonators in the fields of physics, chemistry, and biology. The detection limits of physical parameters and the detection sensitivity of biomolecules in recent decades are summarized. In addition, the advantages and disadvantages of different structures and the development trend of WGMRs applications are discussed.

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“…The absorption loss induced by MY133 will also make the Q factor lower. The detection limit (defined as DL = Δ λ min / S ) is ~0.74 °C for the MBR [ 43 , 44 ]. To improve the detection limit, one way is to take a higher resolution spectrometer, while the other is to increase the sensitivity of the sensor.…”

Section: Measurement and Analysismentioning

confidence: 99%

Packaged Droplet Microresonator for Thermal Sensing with High Sensitivity

Chen

et al. 2018

Sensors

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Liquid droplet and quasi-droplet whispering gallery mode (WGM) microcavities have been widely studied recently for the enhanced spatial overlap between the liquid and WGM field, especially in sensing applications. However, the fragile cavity structure and the evaporation of liquid limit its practical applications. Here, stable, packaged, quasi-droplet and droplet microcavities are proposed and fabricated for thermal sensing with high sensitivity. The sensitivity and electromagnetic field intensity distribution are analyzed by Mie theory, and a quantified definition of the quasi-droplet is presented for the first time to the best of our knowledge. By doping dye material directly into the liquid, lasing packaged droplet and quasi-droplet microcavity sensors with a high thermal sensitivity of up to 205.3 pm/°C are experimentally demonstrated. The high sensitivity, facile fabrication, and mechanically robust properties of the optofluidic, packaged droplet microresonator make it a promising candidate for future integrated photonic devices.

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Temperature Sensing Performance of Microsphere Resonators

Cited by 24 publications

References 48 publications

Reduced Graphene Oxide-Based Double Network Polymeric Hydrogels for Pressure and Temperature Sensing

Reduced Graphene Oxide-Based Double Network Polymeric Hydrogels for Pressure and Temperature Sensing

Whispering Gallery Mode Optical Microresonators: Structures and Sensing Applications

Packaged Droplet Microresonator for Thermal Sensing with High Sensitivity

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