Optical Vernier effect: recent advances and developments

AD Gomes, H Bartelt, O Frazão - Laser & photonics reviews, 2021 - Wiley Online Library
The optical analog of the Vernier effect applied to fiber interferometers is a recent tool to
enhance the sensitivity and resolution of optical fiber sensors. This effect relies on the …

Fiber-optic sensors based on Vernier effect

Y Liu, X Li, Y Zhang, Y Zhao - Measurement, 2021 - Elsevier
Fiber-optic sensors have developed rapidly because of their excellent sensing
performances and abilities to detect in remote and harsh environments. However, on some …

Ultrasensitive temperature sensor with Vernier-effect improved fiber Michelson interferometer

Y Zhao, M Dai, Z Chen, X Liu, MSA Gandhi, Q Li… - Optics express, 2021 - opg.optica.org
A novel fiber Michelson interferometer (FMI) based on parallel dual polarization maintaining
fiber Sagnac interferometers (PMF-SIs) is proposed and experimentally demonstrated for …

State of the art in fiber optics sensors for heavy metals detection

AK Shakya, S Singh - Optics & laser technology, 2022 - Elsevier
Several pollutants are getting added to the water content in today's world, sometimes
intentionally and sometimes unintentionally. These pollutants, chemicals, and heavy metals …

Advanced fiber sensors based on the vernier effect

Y Chen, L Zhao, S Hao, J Tang - Sensors, 2022 - mdpi.com
For decades, optical fiber interferometers have been extensively studied and applied for
their inherent advantages. With the rapid development of science and technology, fiber …

Ultrasensitive refractive index sensor based on enhanced Vernier effect through cascaded fiber core-offset pairs

J Li, M Zhang, M Wan, C Lin, S Huang, C Liu, Q He… - Optics express, 2020 - opg.optica.org
An ultrasensitive refractive index (RI) sensor based on enhanced Vernier effect is proposed,
which consists of two cascaded fiber core-offset pairs. One pair functions as a Mach …

Optical harmonic Vernier effect: A new tool for high performance interferometric fiber sensors

AD Gomes, MS Ferreira, J Bierlich, J Kobelke… - Sensors, 2019 - mdpi.com
The optical Vernier effect magnifies the sensing capabilities of an interferometer, allowing for
unprecedented sensitivities and resolutions to be achieved. Just like a caliper uses two …

Vernier effect-based strain sensor with cascaded Fabry–Pérot interferometers

LG Abbas - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
Highly sensitive cascaded FPI based strain sensor with Vernier Effect is proposed and
experimentally demonstrated. This FPI structure is fabricated by simple and cost-effective …

High-sensitivity and high extinction ratio fiber strain sensor with temperature insensitivity by cascaded MZI and FPI

Z Wang, S Jiang, P Yang, W Wei, W Bao, B Peng - Optics Express, 2023 - opg.optica.org
Low extinction ratio (ER) and high temperature cross-sensitivity are serious but common
problems for most strain sensors based on Vernier effect. In this study, a hybrid cascade …

Hollow microsphere combined with optical harmonic Vernier effect for strain and temperature discrimination

AD Gomes, MS Ferreira, J Bierlich, J Kobelke… - Optics & Laser …, 2020 - Elsevier
Achieving a new generation of enhanced sensors requires the development of structures
that result from the fusion of different concepts and effects. In this paper, we combine a …