搜索结果: 1-15 共查到“光学工程 birefringence”相关记录16条 . 查询时间(0.12 秒)
A Temperature-Insensitive Twist Sensor by Using Low-Birefringence Photonic-Crystal-Fiber-Based Sagnac Interferometer
Birefringence low-birefringence photonic crystal fi ber optical fi ber twist sensor Sagnac interferometer
2013/5/27
An optical fi ber twist sensor is proposed by using solid core low birefringence photonic crystal fi ber (LB-PCF)-based Sagnac interferometer. The twist effects on the fi ber are theoret-ically analyz...
Strain Sensor Realized by Using Low-Birefringence Photonic-Crystal-Fiber-Based Sagnac Loop
Fiber Sagnac loop optical fiber sensor photonic crystal fiber (PCF) strain sensor
2013/5/27
An optical fiber strain sensor by using a low-birefrin-gence photonic crystal fiber (PCF)-based Sagnac loop is demon-strated. A fiber Sagnac loop is formed by the low-birefringence PCF of about 40 cm,...
Birefringence Analysis of Photonic-Bandgap Fibers Using the Hexagonal Yee’s Cell
Birefringence Analysis Photonic-Bandgap Fibers Hexagonal Yee’s Cell
2015/8/10
Birefringence Analysis of Photonic-Bandgap Fibers Using the Hexagonal Yee’s Cell.
Distributed Birefringence Measurement of Polarization Maintaining Fiber Using Transient Brillouin Grating
Fibers polarization maintaining Scattering stimulated Brillouin
2015/6/10
We propose a true distributed birefringence measurement of polarization-maintaining fiber based on transient Brillouin grating. A birefringence variation of 2.5×10 -6 along 8 m Bow-tie fiber is measur...
Distributed Characterization of Bending-Induced Birefringence in Spun Fibers by means of P-OFDR
Fiber characterization Fiber measurements
2015/6/10
We report, for the first time, spatially-resolved measurements of bending-induced birefringence in ad hoc drawn single-mode spun fibers. The combined effect of spin rotation and bending birefringence ...
Dynamic Birefringence Induced Extensional Stress in Curled Hole-Assisted Fiber
Fiber measurements Birefringence
2015/6/10
This paper describes the dynamic birefringence induced by the extension of a curled optical hole-assisted fiber, which increases linearly under high tension. This technique can be a used for monitorin...
Polarization-Insensitive Wavelength Multicasting of RZ-DPSK Signal Based on Four-Wave Mixing in a Photonic Crystal Fiber with Residual Birefringence
Networks multicast Phase modulation Nonlinear optics four-wave mixing Photonic crystal fibers
2015/6/10
We demonstrate polarization-insensitive wavelength multicasting of RZ-DPSK signal. The input signal is copied to four different wavelengths using four-wave mixing with unequally spaced pumps in a disp...
Curvature measurement by using low-birefringence photonic crystal fiber based Sagnac loop.
Photonic crystal fi ber Sagnac interferometer Curvature sensor
2013/5/27
An optical fi ber curvature sensor with low-birefringence photonic crystal fiber (PCF) based Sagnac loop is demonstrated experimentally. The low-birefringence PCF of about 40 cm long is inserted into ...
The Degree of Mutual Anisotropy of Biological Liquid Crystals Net during the Diagnostics of Human Tissues Birefringence
birefringent consistency of parameters biological tissues
2011/4/21
To characterize the degree of consistency of parameters of the optically uniaxial birefringent liquid crystals (protein fibrils) nets of biological tissues a new parameter-complex degree of mutual ani...
Measurements of the Birefringence and Verdet Constant in an Air-Core Fiber
Birefringence Verdet Constant Air-Core Fiber
2015/8/10
In order to determine the Verdet constant of an aircore photonic bandgap fiber (PBF), the birefringence of the fiber needs to be accurately known. We used two methods to measure the linear...
Precise Low-Cost Optical Time Multiplexer based on the Birefringence of Polarization Maintaining Fibers
Optical Time Multiplexer Birefringence Polarization Maintaining Fibers
2015/7/16
A novel scheme of optical time multiplexer is presented, based on the high birefringence of polarization maintaining fiber. The scheme is highly precise, and its fiber-only construction reduces the mu...
Temperature-insensitive displacement sensor based on high-birefringence photonic crystal fiber loop mirror
fiber-optic sensor displacement sensor high-birefringence fiber loop mirror photonic crystal fiber uniform-strength cantilever beam
2011/5/6
A temperature-insensitive displacement sensor based on high-birefringence photonic crystal fiber
loop mirror (Hi-Bi PCFLM) is proposed. Through the measurement of transmission peak
wavelength of the...
Simultaneous strain and temperature measurement using a highly birefringence fiber loop mirror and a long period grating written in a photonic crystal fiber
Long-period grating Fiber loop mirror Photonic crystal fiber Optical fiber sensor
2013/5/24
We present a new design for simultaneous strain and temperature measurement using a high-birefrin-gence fiber loop mirror (HiBi-FLM) concatenated with a temperature-insensitive long-period grating(LPG...
A Reflectometric Technique for an Almost Complete Characterization of Birefringence in Single-Mode Optical Fibers
Reflectometric Technique Birefringence Single-Mode Optical Fibers
2015/8/4
A reflectometric technique able to characterize almost completely fiber birefringence is experimentally validated. Linear and circular birefringence can be measured, although the latter appears as a r...
A Non-Intrusive Characterization of Long Fiber Link Birefringence
Long Fiber Link Birefringence
2015/8/4
We show that the optical fiber birefringence can be characterized using two easily measured parameters, the differential group delay and the Faraday rotation angle induced by a weak magnetic field.