Fabrication and Optical Characterization of Strain Variable PDMS Biconical Optical Fiber Taper

Martinček, Ivan; Pudiš, Dušan; Gaso, Peter

doi:10.1109/lpt.2013.2281077

Cited by 22 publications

(7 citation statements)

References 18 publications

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“…Upon elongation, the layer thicknesses decreased, and the photonic bandgap spectrum of the multilayer structure were tuned accordingly. PDMS optical waveguide tapers were fabricated via locally stretching and curing PDMS liquid and tested for strain sensing [78] and for optical airflow sensing. [79] J. Missinne et al .…”

Section: Biomaterial-based Optical Waveguidesmentioning

confidence: 99%

Light‐Guiding Biomaterials for Biomedical Applications

Shabahang

Kim

Yun

2018

Adv Funct Materials

104

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Optical techniques used in medical diagnosis, surgery, and therapy require efficient and flexible delivery of light from light sources to target tissues. While this need is currently fulfilled by glass and plastic optical fibers, recent emergence of biointegrated approaches, such as optogenetics and implanted devices, call for novel waveguides with certain biophysical and biocompatible properties and desirable shapes beyond what the conventional optical fibers can offer. To this end, exploratory efforts have begun to harness various transparent biomaterials to develop waveguides that can serve existing applications better and enable new applications in future photomedicine. Here, we review the recent progress in this new area of research for developing biomaterial-based optical waveguides. We begin with a survey of biological light-guiding structures found in plants and animals, a source of inspiration for biomaterial photonics engineering. We describe natural and synthetic polymers and hydrogels that offer appropriate optical properties, biocompatibility, biodegradability, and mechanical flexibility have been exploited for light-guiding applications. Finally, we briefly discuss perspectives on biomedical applications that may benefit from the unique properties and functionalities of light-guiding biomaterials.

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Section: Biomaterial-based Optical Waveguidesmentioning

confidence: 99%

Light‐Guiding Biomaterials for Biomedical Applications

Shabahang

Kim

Yun

2018

Adv Funct Materials

104

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“…As another development of material processing on the production of novel POFs for movement analysis, Guo et al [172] presented the design and fabrication of a highly stretchable optical strain sensor based on dye-doped PDMS optical fibers. PDMS is thermally stable, isotropic, homogeneous, and highly transparent in a wide spectral range [173,174], the flexibility and stretchability of the PDMS fiber make it especially attractive for the sensing of large strains. Dye-doping to the PDMS can be achieved by adding dye molecules to the PDMS precursor prior to curing [175].…”

Section: Polymer Optical Fiber Sensors: Applications In Healthcarementioning

confidence: 99%

Polymer Optical Fiber Sensors in Healthcare Applications: A Comprehensive Review

Leal‐Junior

Díaz

Avellar

et al. 2019

Sensors

170

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Advances in medicine and improvements in life quality has led to an increase in the life expectancy of the general population. An ageing world population have placed demands on the use of assistive technology and, in particular, towards novel healthcare devices and sensors. Besides the electromagnetic field immunity, polymer optical fiber (POF) sensors have additional advantages due to their material features such as high flexibility, lower Young’s modulus (enabling high sensitivity for mechanical parameters), higher elastic limits, and impact resistance. Such advantages are well-aligned with the instrumentation requirements of many healthcare devices and in movement analysis. Aiming at these advantages, this review paper presents the state-of-the-art developments of POF sensors for healthcare applications. A plethora of healthcare applications are discussed, which include movement analysis, physiological parameters monitoring, instrumented insoles, as well as instrumentation of healthcare robotic devices such as exoskeletons, smart walkers, actuators, prostheses, and orthosis. This review paper shows the feasibility of using POF sensors in healthcare applications and, due to the aforementioned advantages, it is possible to envisage a further widespread use of such sensors in this research field in the next few years.

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“…After a large number of experimental studies, it was found that the integrated system prepared by PDMS has the characteristics of low loss, high temperature stability, and sufficient mechanical stability, and the sensitive characteristic of temperature and humidity also began to be concerned. At the same time, many optical fiber waveguides directly made of PDMS were prepared [ 16 , 17 , 18 ]. Due to the good plasticity of PDMS, optical waveguides can easily be fabricated into a variety of different structures, such as knotted, twisted, and tapered fiber.…”

Section: Sensors Coated With the Pdmsmentioning

confidence: 99%

A Review of Coating Materials Used to Improve the Performance of Optical Fiber Sensors

Yang

Wang

et al. 2020

Sensors

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In order to improve the performance of fiber sensors and fully tap the potential of optical fiber sensors, various optical materials have been selectively coated on optical fiber sensors under the background of the rapid development of various optical materials. On the basis of retaining the original characteristics of the optical fiber sensors, the coated sensors are endowed with new characteristics, such as high sensitivity, strong structure, and specific recognition. Many materials with a large thermal optical coefficient and thermal expansion coefficients are applied to optical fibers, and the temperature sensitivities are improved several times after coating. At the same time, fiber sensors have more intelligent sensing capabilities when coated with specific recognition materials. The same/different kinds of materials combined with the same/different fiber structures can produce different measurements, which is interesting. This paper summarizes and compares the fiber sensors treated by different coating materials.

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Fabrication and Optical Characterization of Strain Variable PDMS Biconical Optical Fiber Taper

Cited by 22 publications

References 18 publications

Light‐Guiding Biomaterials for Biomedical Applications

Light‐Guiding Biomaterials for Biomedical Applications

Polymer Optical Fiber Sensors in Healthcare Applications: A Comprehensive Review

A Review of Coating Materials Used to Improve the Performance of Optical Fiber Sensors

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