نتایج جستجو برای: birefringent medium

تعداد نتایج: 238135  

Journal: :Optics express 2009
C C Wei W Astar J Chen Y-J Chen G M Carter

Polarization-insensitive conversion of return-to-zero (RZ) ON-OFF keying (RZ-OOK) to RZ binary phase-shift keying (RZ-BPSK) has been achieved by cross-phase modulation (XPM) in a nonlinear birefringent fiber. This work presents a theoretical analysis of the dependence of format conversion on pump-probe detuning, and the pump state-of-polarization (SOP) that can fluctuate unpredictably in a real...

2016
Yongfeng Li Jieqiu Zhang Hua Ma Jiafu Wang Yongqiang Pang Dayi Feng Zhuo Xu Shaobo Qu

We propose the design of wideband birefringent metamaterials based on spoof surface plasmon polaritons (SSPPs). Spatial k-dispersion design of SSPP modes in metamaterials is adopted to achieve high-efficiency transmission of electromagnetic waves through the metamaterial layer. By anisotropic design, the transmission phase accumulation in metamaterials can be independently modulated for x- and ...

Journal: :Optics letters 1996
F Xu R C Tyan P C Sun Y Fainman C C Cheng A Scherer

Polarization-selective computer-generated holograms made with form-birefringent nanostructures were designed, fabricated, and evaluated experimentally at 1.5 microm. The fabricated element showed a large polarization contrast ratio (>250:1) and a high diffraction efficiency (>40% for a binary phase level element). The experimental evaluation was in good agreement with the design and modeling pr...

Journal: :Annals of the rheumatic diseases 1986
S J Choi H R Schumacher G Clayburne

Injection of autologous blood into rabbit joints induces an inflammatory reaction with Maltese cross-like birefringent spherulites. Similar microspherules seen in human joint fluids may be formed by lipids derived from breakdown of erythrocytes and other cells.

2010
Yunpeng Wang Chun-Liu Zhao Xinyong Dong Zaixuan Zhang Shangzhong Jin

A practical temperature sensor by using a highly birefringent fiber loop mirror concatenated with a long-period grating written in a photonic crystal fiber (PCF) is proposed and the sensitivity of the sensor is

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