Development of High Refractive Index Polydimethylsiloxane Waveguides Doped with Benzophenone via Solvent-Free Fabrication for Biomedical Pressure Sensing Article Swipe
Koffi Novignon Amouzou
,
Alberto Alonso Romero
,
Dipankar Sengupta
,
Satyendra K. Mishra
,
Andréane Richard‐Denis
,
Jean‐Marc Mac‐Thiong
,
Yvan Petit
,
Jean‐Marc Lina
,
Bora Ung
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/photonics9080557
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/photonics9080557
We present the fabrication and characterization of elastomeric optical waveguides, to be used for the manufacture of a conformable, water-resistant, and cost-effective pressure sensor that is amenable to the development of smart wearable health monitoring devices. To achieve this goal, high-sensitivity polydimethylsiloxane waveguides with a rectangular cross-section were fabricated. A new up-doping procedure, to tailor the refractive index of the ensuing waveguides, was experimentally developed using benzophenone additives. With this method we demonstrated a high refractive index change (up to +0.05) as a linear function of the benzophenone doping concentration. Propagation losses of about 0.37 dB/cm in the visible range and a high sensitivity to transverse compression of 0.10%/dB optical power loss were measured. It was also shown that one can further control the refractive index of the waveguide core and cladding regions through proper selection of the polydimethylsiloxane base to curing agent mixing ratio.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/photonics9080557
- https://www.mdpi.com/2304-6732/9/8/557/pdf?version=1660031911
- OA Status
- gold
- Cited By
- 8
- References
- 45
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4295973422
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4295973422Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/photonics9080557Digital Object Identifier
- Title
-
Development of High Refractive Index Polydimethylsiloxane Waveguides Doped with Benzophenone via Solvent-Free Fabrication for Biomedical Pressure SensingWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-08-09Full publication date if available
- Authors
-
Koffi Novignon Amouzou, Alberto Alonso Romero, Dipankar Sengupta, Satyendra K. Mishra, Andréane Richard‐Denis, Jean‐Marc Mac‐Thiong, Yvan Petit, Jean‐Marc Lina, Bora UngList of authors in order
- Landing page
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https://doi.org/10.3390/photonics9080557Publisher landing page
- PDF URL
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https://www.mdpi.com/2304-6732/9/8/557/pdf?version=1660031911Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.mdpi.com/2304-6732/9/8/557/pdf?version=1660031911Direct OA link when available
- Concepts
-
Polydimethylsiloxane, Materials science, Refractive index, Cladding (metalworking), Fabrication, Optoelectronics, Optics, High-refractive-index polymer, Waveguide, Optical power, Laser, Composite material, Alternative medicine, Pathology, Physics, MedicineTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
8Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 1, 2024: 6, 2023: 1Per-year citation counts (last 5 years)
- References (count)
-
45Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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