搜索结果: 1-15 共查到“Birefringence”相关记录24条 . 查询时间(0.062 秒)
Theory of polarizable liquid crystals: Optical birefringence
polarizable liquid crystals Optical birefringence
2014/9/24
The theory of polarizable anisotropic fluids is developed on the basis of a model fluid consisting of anisotropic Drude oscillators with embedded permanent dipoles. A matrix theory is developed. The d...
Birefringence of small apertures for shaping ultrashort pulses
Birefringence of small apertures ultrashort pulses Optics
2012/4/27
For ultrashort pulses having different states of polarization, the experienced time delay when passing through small apertures is different. In the case of a small slit (or a circular aperture), we re...
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...
Birefringence induced polarization-independent and nearly all-angle transparency through a metallic film
Birefringence polarization-independent all-angle
2011/9/5
We propose an birefringence route to perfect electromagnetic (EM) wave tunneling through a metallic film which relies on homogeneous birefringent coatings with moderate and positive parameters only. E...
Cosmological Birefringence: an Astrophysical test of Fundamental Physics
Cosmological Birefringence Astrophysical test Fundamental Physics
2010/12/21
We review the methods used to test for the existence of cosmological birefringence, i.e. a rotation of the plane of linear polarization for electromagnetic radiation traveling over cosmological distan...
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...