Cantilever-based biaxial FBG inclinometer with low cross-axis sensitivity

• Autorzy: Ramalingam Nimalrajh , Yang Hangting , Lim Kok-Sing , Ahmad Harith

Identyfikatory

DOI

10.37190/oa240206

• Języki publikacji: EN

Abstrakty

EN

This work proposes and demonstrates a biaxial sensing inclinometer based on two FBGs surfacemounted on two separate thin cantilevers with a diminishable cross-axis sensitivity. The measured sensitivities for the inclination angles in the x-z plane and y-z plane are 34.87 and 33.49 pm/deg, respectively. To enhance the protection of the delicate FBGs and minimize axis-to-axis cross-sensitivity, the carbon-steel cantilevers are strategically arranged in a perpendicular configuration, resulting in an impressively low cross-sensitivity value of just 0.9275%. This alignment not only offers mechanical shielding but also ensures optimal performance and accuracy for the FBGs.

Słowa kluczowe

EN

inclinometer; cantilever; cross-sensitivity; fiber Bragg grating

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2024
• Tom: Vol. 54, nr 2
• Strony: 189--203
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Ramalingam Nimalrajh

• Photonics Research Centre, University of Malaya, 50603 Kuala Lumpur, Malaysia

autor

Yang Hangting

• Photonics Research Centre, University of Malaya, 50603 Kuala Lumpur, Malaysia

autor

Lim Kok-Sing

• Photonics Research Centre, University of Malaya, 50603 Kuala Lumpur, Malaysia

autor

Ahmad Harith

• Photonics Research Centre, University of Malaya, 50603 Kuala Lumpur, Malaysia
• Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia

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