scholarly journals Multi-Line Fit Model for the Detection of Methane at ν2 + 2ν3 Band using Hollow-Core Photonic Bandgap Fibres

Sensors ◽  
2009 ◽  
Vol 9 (1) ◽  
pp. 490-502 ◽  
Author(s):  
Ana Cubillas ◽  
Jose Lazaro ◽  
Olga Conde ◽  
Marco Petrovich ◽  
Jose Lopez-Higuera
Keyword(s):  
Photonic Bandgap ◽  
Hollow Core ◽  
Line Fit Model

High-order mode characteristics of 7-cell hollow-core photonic bandgap fiber

2021 ◽  
pp. 1-1
Author(s):  
Yong You ◽  
Huiyi Guo ◽  
Mao Feng ◽  
Baiwei Mao ◽  
Huimin Shi ◽  
...  
Keyword(s):  
Photonic Bandgap ◽  
High Order Mode ◽  
High Order ◽  
Hollow Core ◽  
Order Mode ◽  
Photonic Bandgap Fiber ◽  
Mode Characteristics

Tunable high-energy femtosecond soliton fiber laser based on hollow-core photonic bandgap fiber

2009 ◽  
Author(s):  
Pascal Dupriez ◽  
Frédéric Gérôme ◽  
Jonathan C. Knight ◽  
John Clowes ◽  
William J. Wadsworth
Keyword(s):  
Fiber Laser ◽  
Photonic Bandgap ◽  
High Energy ◽  
Hollow Core ◽  
Photonic Bandgap Fiber

scholarly journals Femtosecond soliton pulse delivery at 800nm wavelength in hollow-core photonic bandgap fibers

2004 ◽  
Vol 12 (5) ◽  
pp. 835 ◽  
Author(s):  
F. Luan ◽  
J. C. Knight ◽  
P. St. J. Russell ◽  
S. Campbell ◽  
D. Xiao ◽  
...  
Keyword(s):  
Photonic Bandgap ◽  
Hollow Core ◽  
Soliton Pulse ◽  
Photonic Bandgap Fibers

scholarly journals Experimental Study on the Concept of Hollow-Core Photonic Bandgap Fiber Stethoscope

2018 ◽  
Vol 2018 ◽  
pp. 1-4
Author(s):  
Adel Abdallah
Keyword(s):  
Experimental Study ◽  
Relative Phase ◽  
Fiber Optic ◽  
Photonic Bandgap ◽  
Single Mode ◽  
Hollow Core ◽  
Photonic Bandgap Fiber ◽  
Photonic Bandgap Fibers ◽  
Relative Phase Shift ◽  
Phase Generated Carrier

An experiment is proposed to show the feasibility of using hollow-core photonic bandgap fibers (HC-PBF) in the fiber-optic interferometric stethoscopes to generally improve the sensitivity and overcome the problems associated with the electronic stethoscopes. In the experiment, the HC-1550 is used as a measuring arm of an unbalanced Mach-Zehnder interferometer (MZI) and the conventional single-mode optical fiber (SMF) is used as an isolated reference arm. Detection and demodulation of the relative phase shift is performed passively using phase-generated carrier homodyne technique (PGC). The proposed results indicate the significance of using HC-PBFs in the future stethoscopes.

Study of Birefringence and Mode Field for Hollow-Core Photonic Bandgap Fiber

2014 ◽  
Vol 609-610 ◽  
pp. 324-329
Author(s):  
Li Shuang Feng ◽  
Wen Shuai Song ◽  
Xiao Yuan Ren
Keyword(s):  
Field Distribution ◽  
Photonic Bandgap ◽  
Surface Mode ◽  
Hollow Core ◽  
The Finite Element Method ◽  
Core Mode ◽  
Photonic Bandgap Fiber ◽  
Mode Field ◽  
Air Core ◽  
Polarization Maintaining

Since the Appearance of Hollow-Core Photonic Bandgap Fiber (HC-PBF), it was Widely Concerned for its Excellent Characteristics. in Order to Study the Characteristics of the HC-PBF that can be Used in Resonator Fiber Optic Gyros (R-Fogs), the Model Structure of a Polarization-Maintaining HC-PBF was Built and its Performance was Simulated by Using the Finite Element Method (FEM). its Mode Field Distribution and Birefringence Characteristics were Obtained. the Influences of the Air Core and Cladding Structures on the Mode Field Distribution and Birefringence were Simulated and Analyzed Further. the Result Showed that there are both Core Mode and Surface Mode in the Structure we Built. by Adding Scattering Points into the Fiber Core, the Surface Mode can be Significantly Suppressed. by Matching the Size of Core and Air Holes around the Core, a Birefringence up to 8*10-4 were Obtained.

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