Hybrid polymer–glass planar Bragg grating as a temperature and humidity sensor

Martin, David; Prajzler, Václav; Martan, T.; Jeřábek, V.

doi:10.1007/s11082-022-04003-0

Cited by 2 publications

(4 citation statements)

References 21 publications

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Section: Waveguide Materials For Fsdlwmentioning

confidence: 99%

“…Mares et al. [ 137 ] designed a temperature and humidity sensor created by a planar polymer–glass hybrid composition. The Bragg grating is made of PMMA on a multimode waveguide (Figure 7f).…”

Section: Waveguide Materials For Fsdlwmentioning

confidence: 99%

“…For application design and performance compensation needs, researchers also often modify PMMA by some methods, such as doping nanoparticles, copolymerization, grafting, etc. Mares et al [137] designed a temperature and humidity sensor created by a planar polymer-glass hybrid composition. The Bragg grating is made of PMMA on a multimode waveguide (Figure 7f).…”

Section: Pmma (Figurementioning

confidence: 99%

“…f) Model illustration of the sensor structure (up) consisting of the glass substrate, ion exchange waveguide channel, and topside corrugated cladding PMMA Bragg grating layer; topside image of the fabricated structure where the perpendicular lines are forming the grating. Reproduced with permission [137]. Copyright 2022, Springer Nature.…”

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confidence: 99%

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Optical Waveguides Fabricated via Femtosecond Direct Laser Writing: Processes, Materials, and Devices

Cao

Qiu

et al. 2023

Adv Materials Technologies

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As the most fundamental unit of photonic integration, optical waveguides offer the possibility of developing efficient and practical photonic chips by facilitating the on‐chip integration of devices with different functions. Femtosecond direct laser writing (FsDLW), as a burgeoning 3D microfabrication technology, can realize the rapid formation of arbitrary optical waveguides without any mask inside versatile materials, such as crystalline dielectric crystals, glasses, polymers, and photoresists. This significant material‐independence allows FsDLW to combine different materials and manufacturing processes to implement a cross‐platform solution. This review first describes the different optical loss types and suitable measurement methods for different applicable scenes, then summarizes the two fabrication mechanisms and points out the general direction for adjusting the waveguide properties by fabrication processes. Finally, the application fields and development prospects of different materials are discussed by overviewing the characteristics of different materials and the material selection preferences of different devices. With a panoramic view of the development, it is concluded with insights and perspectives of the future development of optical waveguides and processing technology via FsDLW.

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Section: Waveguide Materials For Fsdlwmentioning

confidence: 99%

Section: Waveguide Materials For Fsdlwmentioning

confidence: 99%

Section: Pmma (Figurementioning

confidence: 99%

mentioning

confidence: 99%

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Optical Waveguides Fabricated via Femtosecond Direct Laser Writing: Processes, Materials, and Devices

Cao

Qiu

et al. 2023

Adv Materials Technologies

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Polymer Waveguide-Based Optical Sensors—Interest in Bio, Gas, Temperature, and Mechanical Sensing Applications

et al. 2023

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In the realization of photonic integrated devices, materials such as polymers are crucial. Polymers have shown compatibility with several patterning techniques, are generally affordable, and may be functionalized to obtain desired optical, electrical, or mechanical characteristics. Polymer waveguides are a viable platform for optical connectivity since they are easily adaptable to on-chip and on-board integration and promise low propagation losses <1 dB/cm. Furthermore, polymer waveguides can be made to be extremely flexible, able to withstand bending, twisting, and even stretching. Optical sensing is an interesting field of research that is gaining popularity in polymer photonics. Due to its huge potential for use in several industries, polymer waveguide-based sensors have attracted a lot of attention. Due to their resilience to electromagnetic fields, optical sensors operate better in difficult situations, such as those found in electrical power generating and conversion facilities. In this review, the most widely used polymer materials are discussed for integrated photonics. Moreover, four significant sensing applications of polymer-waveguide based sensors which include biosensing, gas sensing, temperature sensing and mechanical sensing have been debated.

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Hybrid polymer–glass planar Bragg grating as a temperature and humidity sensor

Cited by 2 publications

References 21 publications

Optical Waveguides Fabricated via Femtosecond Direct Laser Writing: Processes, Materials, and Devices

Optical Waveguides Fabricated via Femtosecond Direct Laser Writing: Processes, Materials, and Devices

Polymer Waveguide-Based Optical Sensors—Interest in Bio, Gas, Temperature, and Mechanical Sensing Applications

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