Results 261 to 270 of about 208,317 (297)

Two-core optical fibers: experiment

Journal of the Optical Society of America A, 1985
Two-core fibers are investigated experimentally. Low-loss birefringent single-mode two-core fibers, consisting of two cores and a pair of stress-inducing parts built in a cladding, were prepared. A power exchange of the order of a few millimeters occurs as a result of the coupling between the two cores.
Ken-ichi Kitayama, Nori Shibata, Masaharu Ohashi   +2 more
openaire   +1 more source

Coupled-core optical fiber sensing

Optica Advanced Photonics Congress 2022, 2022
The use of optical fibers with coupled cores is proposed for sensing applications. The interrogation of coupled-core fiber sensors is simple, fast and inexpensive as the parameter being sensed can be detected as intensity changes.
openaire   +1 more source

Novel Crystalline Core Optical Fibers

Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, 2009
This work discusses advances in fabricating glass-clad crystalline core optical fibers. Of greatest significance is that these crystalline core fibers were produced using scalable and commercially accepted optical fiber draw processes.
J. Ballato, T. Hawkins, B. Kokuoz, A. James, R. Stolen, P. Foy   +5 more
openaire   +1 more source

Hollow-Core Fiber Optics

2010
The first optical-frequency hollow waveguides were simple parallel-plate guides. The early pioneering work in this field was done by Garmire et al. Her group made a rectangular waveguide using aluminum strips separated by about 0.5 mm with bronze shim stock. This structure is shown in Fig. 3.2. Even when the aluminum was not well polished, these guides
openaire   +1 more source

Elliptical core multimode optical fibers

2012 17th Opto-Electronics and Communications Conference, 2012
We propose a new elliptical core polarization maintaining multimode fiber design with low index trench. We analyze fiber properties such as birefringence, modal delay, bandwidth and mode coupling using a finite element method.
Gaozhu Peng, Ming-Jun Li
openaire   +1 more source

Crystalline Semiconductor Core Optical Fibers

Advances in Optical Materials, 2011
Silicon and germanium core optical fibers are discussed. Losses of 4 dB/m have been achieved at 3 µm and suggest that such semiconductor optical fibers could be of practical value for nonlinear and infrared applications.
J. Ballato, T. Hawkins, P. Foy, B. Kukuoz, C. McMillen, R. Stolen, R. Rice   +6 more
openaire   +1 more source

Germania-based core optical fibers

Journal of Lightwave Technology, 2005
Germania-glass-based core silica glass cladding single-mode fibers (/spl Delta/n up to 0.143) with a minimum loss of 20 dB/km at 1.9 /spl mu/m were fabricated by the modified chemical vapor deposition (MCVD) method. The fibers exhibit strong photorefractivity with the type-IIa-induced refractive-index modulation of 2/spl times/10/sup -3/.
E.M. Dianov, V.M. Mashinsky
openaire   +1 more source

Optical Biosensor Using an Exposed Core Microstructured Optical Fiber

2017
In this work a label-free optical biosensor based on an exposed core microstructured optical fiber (ECF) is presented. Thanks to the exposed core of the ECF, light propagating in the fiber core can have direct access to the analytes in the sensing liquid, while maintaining the mechanical strength of the fiber.
L. V. Nguyen, S. C. Warren-Smith, K. Hill   +2 more
openaire   +2 more sources

In-situ DNA detection with an interferometric-type optical sensor based on tapered exposed core microstructured optical fiber

Sensors and Actuators B: Chemical, 2022
Xuegang Li, Yong Zhao, Linh Viet Nguyen
exaly  

Structure design and application of hollow core microstructured optical fiber gas sensor: A review

Optics and Laser Technology, 2021
Jin Li, Fan-Li Meng
exaly