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- Title
Fiber-optic Michelson interferometer for detecting coolant level and refractive index.
- Authors
Feng, Luqiao; Zhang, Qili; Lou, Ruting; He, Sijie; Yang, Xiaozhan
- Abstract
When the coolant level and refractive index change simultaneously, the variation of coolant level ( I C i ) and refractive index ( I R i ) can be described as [[22]] HT <math display="block" overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mtable class="gathered"><mtr><mtd><mi mathvariant="normal"> </mi><mi>C</mi></mtd></mtr><mtr><mtd><mi mathvariant="normal"> </mi><mi>R</mi></mtd></mtr></mtable></mfenced><mo>=</mo><mfrac><mn>1</mn><mi>M</mi></mfrac><mfenced close=" open="["><mtable class="gathered"><mtr><mtd><msub><mi>K</mi><mi>T</mi><mo>,</mo><mn>2</mn></msub></mtd></mtr><mtr><mtd><mo>-</mo><msub><mi>K</mi><mi>C</mi><mo>,</mo><mn>2</mn></msub></mtd></mtr></mtable></mfenced><mfenced close="]" open=""><mrow><mtable class="gathered"><mtr><mtd><mo>-</mo><msub><mi>K</mi><mi>T</mi><mo>,</mo><mn>1</mn></msub></mtd></mtr><mtr><mtd><msub><mi>K</mi><mi>C</mi><mo>,</mo><mn>1</mn></msub></mtd></mtr></mtable></mrow></mfenced><mfenced close="]" open="["><mrow><mtable class="gathered"><mtr><mtd><mi mathvariant="normal"> </mi><msub><mi> </mi><mn>1</mn></msub></mtd></mtr><mtr><mtd><mi mathvariant="normal"> </mi><msub><mi> </mi><mn>2</mn></msub></mtd></mtr></mtable></mrow></mfenced></math> ht Graph (7)where I i SB 1 sb and I i SB 2 sb represent the wavelength shift of trough 1 (1568 nm) and trough 2 (1550 nm) respectively. Keywords: liquid-level and refractive-index detection; Michelson interference; multi-mode fiber; optic-fiber sensing; thin-core fiber EN liquid-level and refractive-index detection Michelson interference multi-mode fiber optic-fiber sensing thin-core fiber 621 627 7 07/05/22 20220701 NES 220701 1 Introduction The engine is the heart of the car and the source of its power.
- Subjects
MICHELSON interferometer; REFRACTIVE index; COOLANTS; PLASTIC optical fibers; OPTICAL fiber detectors; SINGLE-mode optical fibers; TACTILE sensors
- Publication
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2022, Vol 77, Issue 7, p621
- ISSN
0932-0784
- Publication type
Article
- DOI
10.1515/zna-2022-0028