Phase Tandem Low-Coherence Interferometry for Surface Vibration Measurements.

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Tác giả: Alexander Bobrov, Alexander Goryunov, Mark Kovrigin, Andrey Lukyanov, Daniil Semikov, Petr Volkov, Oleg Vyazankin

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: Switzerland : Sensors (Basel, Switzerland) , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 79136

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The development of optical methods for surface vibration measurements is currently of great interest. We propose a modified tandem low-coherence technique that utilizes the phase information of the low-coherence signal to detect surface vibrations. The resolution of this scheme is less than 1 nm for a 20 kHz bandwidth. The proposed technique is not just limited to measurements of surface vibrations, but it can also be used for interferometric fiber-optic sensors.

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