scholarly journals Photonic Crystal Fiber Temperature Sensor Based on Quantum Dot Nanocoatings

2009 ◽  
Vol 2009 ◽  
pp. 1-6 ◽  
Author(s):  
Beatriz Larrión ◽  
Miguel Hernáez ◽  
Francisco J. Arregui ◽  
Javier Goicoechea ◽  
Javier Bravo ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Quantum Dot ◽  
Temperature Sensor ◽  
Photonic Crystal Fibers ◽  
Temperature Sensors ◽  
Layer By Layer ◽  
Crystal Fiber ◽  
Layer Technique ◽  
Crystal Fibers ◽  
Layer By Layer Technique

Quantum dot nanocoatings have been deposited by means of the Layer-by-Layer technique on the inner holes of Photonic Crystal Fibers (PCFs) for the fabrication of temperature sensors. The optical properties of these sensors including absorbance, intensity emission, wavelength of the emission band, and the full width at half maximum (FWHM) have been experimentally studied for a temperature range from−40to70C°.

scholarly journals Transmittance of Tapered Photonic Crystal Fibers With Absorbing Coatings

2020 ◽  
Author(s):  
Mauricio Salazar Sicacha ◽  
Vladimir (or Uladzimir) Petrovich Minkovich ◽  
Alexander B. Sotsky ◽  
Artur V. Shilov ◽  
Luidmila I. Sotskaya
Keyword(s):  
Photonic Crystal ◽  
Optical Transmission ◽  
Fiber Optic ◽  
Photonic Crystal Fibers ◽  
Fiber Optic Sensors ◽  
Crystal Fiber ◽  
Leaky Modes ◽  
Resonance Coupling ◽  
Crystal Fibers ◽  
Air Channels

Abstract The interaction effect of the fundamental mode of a photonic crystal fiber (PCF) with a thin-film absorbing coating deposited on a surface of a fiber cladding on the optical transmission of the PCF is studied. It is shown that the transmission has a quasi-periodic spectrum that is determined either by a resonance coupling between the leaky fundamental PCF mode and leaky modes of the coating, or between the leaky fundamental PCF mode and cladding modes localized between PCF air channels and the coating. Examples are presented of using this effect for fiber-optic sensors of refractive index, pressure, and for sensing an adsorption layer of ammonia molecules deposited on a coating surface contacting with air.

Different Photonic Crystal Fibers Configurations with the Key Solutions for the Optimization of Data Rates Transmission

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
IS Amiri ◽  
Ahmed Nabih Zaki Rashed
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Photonic Crystal Fibers ◽  
Pulse Code Modulation ◽  
Quantization Level ◽  
Crystal Fiber ◽  
Data Rates ◽  
Code Modulation ◽  
Crystal Fibers ◽  
Pulse Broadening

AbstractThe study has outlined various photonic crystal fibers (PCFs) configurations for the key solution to the optimization of data rates transmission. The proposed fibers that are namely octagonal photonic crystal fiber (OPCF), hexagonal photonic crystal fiber (HPCF), and elliptical photonic crystal fiber (E-PCF) are used in the system. The dispersion parameter coefficient, pulse broadening variations, and data rates transmission are examined for proposed fibers under the same fiber lengths and number of quantization level with using pulse code modulation (PCM). The system performance is enhanced with OPCF with reducing dispersion factor, pulse broadening effects and consequently increasing data rates transmission.

Highly sensitive temperature sensor based on Sagnac interferometer with liquid crystal photonic crystal fibers

Optik ◽  
2019 ◽  
Vol 179 ◽  
pp. 665-671 ◽  
Author(s):  
Mingjian Ma ◽  
Hailiang Chen ◽  
Shuguang Li ◽  
Xili Jing ◽  
Wenxun Zhang ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Photonic Crystal ◽  
Temperature Sensor ◽  
Photonic Crystal Fibers ◽  
Sagnac Interferometer ◽  
Highly Sensitive ◽  
Crystal Fibers

scholarly journals Transmittance of tapered photonic crystal fibers with absorbing coatings

2020 ◽  
Vol 238 ◽  
pp. 08005
Author(s):  
Mauricio Salazar Sicacha ◽  
Vladimir P. Minkovich ◽  
Alexander B. Sotsky ◽  
Artur V. Shilov ◽  
Luidmila I. Sotskaya
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Adsorption Layer ◽  
Photonic Crystal Fibers ◽  
Resonant Coupling ◽  
Crystal Fiber ◽  
Fiber Mode ◽  
Refractive Index Sensors ◽  
Crystal Fibers ◽  
Air Channels

The interaction of the adiabatically tapered photonic crystal fiber fundamental mode with a thin-film absorbing coating, deposited on a surface of a taper waist, on transmission of a tapered fiber is studied. Examples of using this interaction in refractive index sensors and for detection of an adsorption layer with ammonia molecules upon contact of the absorbing coating with a liquid medium are presented. It is obtained that a pronounced sensory effect occurs in the case of a resonant coupling between the fundamental fiber mode and cladding modes localized between photonic crystal fiber air channels and the absorbing coating.

Sensitive Temperature Sensors based on High Birefringence Liquid-Filled Photonic Crystal Fibers

2019 ◽  
Author(s):  
Yashar E. Monfared ◽  
R. Khosravi ◽  
M. Hajati ◽  
B. Kacerovska ◽  
P. Ma ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fibers ◽  
Temperature Sensors ◽  
High Birefringence ◽  
Crystal Fibers

scholarly journals Magnetooptic effect of photonic crystal fiber in blue region of visible spectrum

2014 ◽  
Vol 62 (4) ◽  
pp. 683-689 ◽  
Author(s):  
K. Barczak
Keyword(s):  
Photonic Crystal ◽  
Optical Fibers ◽  
Manufacturing Process ◽  
Photonic Crystal Fibers ◽  
Visible Spectrum ◽  
External Factors ◽  
Optical Birefringence ◽  
Crystal Fiber ◽  
Crystal Fibers ◽  
Internal And External Factors

Abstract The phenomenon of optical birefringence in optical fibers is caused by external factors and stress induced by the manufacturing process. This optical birefringence makes it difficult to apply optical fibers as a polarimetric sensors head. Author of this paper, proposes the application of index guiding photonic crystal fibers because stress values in a fiber core caused by internal and external factors are lower. In this paper investigation results extended in comparison with the previous author’s investigations are presented. This extension relies on investigation of magnetooptic for wavelength 405 nm. On the basis of experimental results optimal work points of optical sensing fibers were determined.

scholarly journals Photonic Crystal Fiber for Sensing Application

2020 ◽  
Vol 9 (5) ◽  
pp. 481-494
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fibers ◽  
Geometric Structures ◽  
Fiber Sensors ◽  
Crystal Fiber ◽  
Sensing Applications ◽  
Sensitivity Range ◽  
Diverse Field ◽  
Sensing Application ◽  
Crystal Fibers

The concern for Sensing Application using photonic crystal had become an elevation in diverse field. Enhanced precision in sensing became an anticipation of users. Photonic crystal fibers are considered to be eccentric than optical fiber sensors due to its geometric structures. By proposing novelty in geometric structures of PCF can increase the sensitivity range as per the required application. In this paper we made a review on different sensors like physical , Curvature, Displacement, Electric and magnetic field, Refractive Index , Bio chemical, Biomedical which are used for sensing applications .

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