![Scientific and Technical Journal of Information Technologies, Mechanics and Optics](/images/mag-ntv.png)
RESULTS OF EXPERIMENTAL RESEARCH AND SIMULATION OF MULTI-CORE FIBER WAVEGUIDE WITH FIBER BRAGG GRATINGS ARRAY
![Scientific and Technical Journal of Information Technologies, Mechanics and Optics](/images/mag-ntv.png)
Annotation
Subject of Research. The development and creation of a measurement system for determination and monitoring of the location and bends of extended objects in space are actual at the moment.We propose the creation of a sensitive part of fiber-optic measurement system based on chirped fiber Bragg gratings (FBGs) inscribed in a multi-core fiber. Method. The method essencelies independence determination of the grating period change in each core on the bending radius of the fiber, that gives the possibility to reconstruct remotely the trajectory of the optical fiber laying in space.Main Results. The paper presents experiment results with a single-mode fiber with an array of chirped FBGs. The experimental optical scheme and the reflection spectra before and after the single-core optical fiber bending are shown. The geometry and computer model of multi-core fiber section with a given radius bend are described. Practical Relevance. Unlike the other existing fiber-optic measurement systems, a system with multi-core optical fiber with chirped FBGs array makes it possible to determine the trajectory of fiber-optic light guide laying in space without using methods of optical frequency domain reflectometry, which determine the location of the Bragg gratings along the optical fiber length.
Keywords
Постоянный URL
Articles in current issue
- AUTOMATIC OBJECT CLASSIFICATION ACCORDING TO 3D-LIDAR DATA BASED ON SINGLE-PHOTON COUNTING TECHNOLOGY
- RESEARCH OF ORAL MUCOSA REGENERATION AFTER FRACTIONAL TREATMENT BY DIODE LASER WITH 980 NM WAVELENGTH
- RESEARCH OF HUMAN BLOOD OPTICAL PROPERTIES WITH CONCENTRATION CHANGES OF BLOOD COMPONENTS IN TERAHERTZ FREQUENCY RANGE
- STUDY OF OPTICAL PROPERTIES AND SPECTRAL CHARACTERISTICS OF BRAIN GLIOBLASTOMA AND LUNG ADENOCARCINOMA
- FORMATION OF INSULATING BARRIERS IN SILICA POROUS FILMS BY CO2 LASER WRITING
SPECTRAL CHARACTERISTICS STUDY OF PHASE-SHIFTED FIBER BRAGG GRATINGS UNDER PRESSURE APPLIED PERPENDICULAR TO FIBER AXIS
- POSSIBILITY OF LOW ALTITUDES MEASUREMENT ABOVE SEA SURFACE UNDER CONDITIONS OF HAZE AND FOG
- METHOD OF GAS-DISCHAGE VISUALIZATION FOR DETERMINATION OF PATHOLOGIES OF BIOLOGICAL TISSUES
- ALGORITHM OF ADAPTIVE OUTPUT CONTROL OF LINEAR SYSTEM WITH IMPROVED PARAMETRIC CONVERGENCE
- CONTROL OF THE MECHATRONIC SYSTEM WITH FLEXIBLE ROTATING LINK: THEORY AND EXPERIMENT
- STRUCTURE RESEARCH OF FILM COMPOSITIONS BASED ON CHITOSAN/ POLYHYDROXYBUTYRATE BLEND BY INFRARED AND X-RAY FLUORESCENCE SPECTROSCOPY
- MODELING AND ALGORITHMIC PROVISION OF DYNAMIC INDENTIATION PROCESS
- TESTING AND DEBUGGING OF EMBEDDED COMPUTING SYSTEMS BASED ON LEVEL MODELS
- PATTERN RECOGNITION METHODS IN CASE OF VISUAL INFORMATION SEMANTIC INTEGRITY VIOLATIONS
- ANALYSIS OF INFORMATION INTERACTION SECURITY WITHIN GROUP OF UNMANNED AERIAL VEHICLES
- COMPUTATIONALLY EFFECTIVE NUMERICAL SIMULATION METHOD FOR DIFFRACTION-BLURRED IMAGES OF OBJECTS WITH PIECEWISE-LINEAR EDGE CONTOUR
- COVERT CHANNEL TECHNIQUE BASED ON STREAMING PROTOCOL
- METHODS OF LIFE CYCLE INCREASE FOR THE INTERNET OF THINGS
- SPEECH ACQUISITION IN NOISY ENVIRONMENTS USING DUAL MICROPHONE ARRAYS
- INFORMATION ON UTILIZATION OF DATA CENTER RESOURCES WITH MESSAGE BROKER IMPLEMENTATION
- FEATURES OF NON-LOCAL SEMANTIC LINKS IN RUSSIAN TEXTS
- DETERMINATION OF OVERLAPPING REGION FOR ELECTRONIC MODULE IMAGES
- RESEARCH OF EMOJI ROLE IN ONLINE COMMUNITY
- COMPARISON OF APPROACHES TO UNKNOWN PARAMETERS IDENTIFICATION IN GYRO DRIFT MODEL
- PSEUDORANDOM NUMBER GENERATOR ON CELLULAR AUTOMATA
- RESULTS OF EXPERIMENTAL RESEARCH AND SIMULATION OF MULTI-CORE FIBER WAVEGUIDE WITH FIBER BRAGG GRATINGS ARRAY
FREQUENCY DETERMINATION OF PULSE SIGNAL WITH CONSTANT BEAT BY DINT OF RECURRENT USAGE OF FOURIER TRANSFORM