Fiber-optic displacement sensor with 4 nm resolution (similar to lambda/400) at 1550 nm using off-axis interferometer
Tian, Z., Chen, N-K., Shum, P. P. , Suo, L., Yao, Y., Zhang, L., Grattan, K. T. V. 
ORCID: 0000-0003-2250-3832, Rahman, B. M. ORCID: 0000-0001-6384-0961 & Kashyap, R. (2021).
Fiber-optic displacement sensor with 4 nm resolution (similar to lambda/400) at 1550 nm using off-axis interferometer.
In:
2021 Conference on Lasers and Electro-Optics (CLEO).
CLEO: Applications and Technology 2021, 9-14 May 2021, California, USA.
Abstract
A fiber-optic displacement sensor with ~λ/400 spatial resolution, at an operating wavelength of ~1550 nm, using an off-axis fiber interferometer and achieving the best displacement resolution of 4-nm in the optical domain has been demonstrated.
| Publication Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | © the authors, 2022, Optica Publishing Group. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. |
| Publisher Keywords: | Optical fibers, Integrated optics, Optical interferometry, Optical fiber sensors, Semiconductor device measurement, Semiconductor lasers, Wavelength measurement |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Departments: | School of Science & Technology > Engineering |
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