Understanding environmental information is necessary for functions correlated with human
activities to improve healthcare quality and reduce ecological risk. Tapered optical fibers …

In recent years, optical fiber sensors have become most popular due to their unique
advantages. A review of optical fiber Mach–Zehnder interferometers (MZIs) with micro-cavity …

In order to break through the accuracy limits of traditional processing technology and
research microscopic phenomena, the sensing structures are fabricated by femtosecond (fs) …

In this Letter, we investigate the transition of the well-known Fabry–Perot (FP) and
antiresonant (AR) mechanisms via a single-mode fiber (SMF)-capillary-SMF structure. The …

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 …

At the present time, there are major concerns regarding global warming and the possible
catastrophic influence of greenhouse gases on climate change has spurred the research …

All-optical fiber sensors based on ultracompact fiber inline Mach-Zehnder interferometer
(MZI) are fabricated by side-ablating a U-shape microcavity in a single-mode optical fiber …

From basic physics to new products, Silica Optical Fiber Technology for Device and
Components examines all aspects of specialty optical fibers. Moreover, the inclusion of the …

Ammonia is an important indicator among environmental monitoring parameters. In this
work, thin-core fiber Mach-Zehnder interferometer deposited with poly (acrylic acid)(PAA) …

A High sensitive refractive index (RI) sensor based on Mach–Zehnder interferometer (MZI) in
a conventional single-mode optical fiber is proposed, which is fabricated by femtosecond …