The Experts below are selected from a list of 53214 Experts worldwide ranked by ideXlab platform
Yiping Wang - One of the best experts on this subject based on the ideXlab platform.
-
automatic arc discharge induced helical long period fiber gratings and its sensing applications
IEEE Photonics Technology Letters, 2017Co-Authors: Bing Sun, Changrui Liao, Wei Wei, Lin Zhang, Zuxing Zhang, Mingyang Chen, Yiping WangAbstract:We experimentally demonstrate an automatic arc discharge technology for inscribing high-quality helically twisted long period fiber gratings (H-LPFGs) with greatly improved inscription efficiency for single mode fibers. The proposed technology has been developed by implementing an Embedded Program in a commercial fusion splicer, which employs an ultraprecision motorized translation stage while the tensioning mass required by conventional inscribing technology is eliminated. More significantly, the arc-induced H-LPFGs have been reported to have potential usage as sensors in temperature, refractive index, twist stress, and strain.
-
automatic arc discharge technology for inscribing long period fiber gratings
Applied Optics, 2016Co-Authors: Guolu Yin, Jian Tang, Changrui Liao, Yiping WangAbstract:We experimentally demonstrate an automatic arc discharge technology for inscribing high-quality long period fiber gratings (LPFGs) with greatly improved inscription efficiency for single mode fiber (SMF) and photonic crystal fiber (PCF). The proposed technology was developed by implementing an Embedded Program in a commercial fusion splicer. In addition, the improved technology employs an ultraprecision motorized translation stage, and the tensioning mass required by conventional technology was eliminated. While hundreds of arc discharges are generally required by conventional technology, only 30 and 60 arc discharges were required to inscribe LPFGs with dip attenuations of 30 and 20 dB for SMF and PCF, respectively.
Bing Sun - One of the best experts on this subject based on the ideXlab platform.
-
automatic arc discharge induced helical long period fiber gratings and its sensing applications
IEEE Photonics Technology Letters, 2017Co-Authors: Bing Sun, Changrui Liao, Wei Wei, Lin Zhang, Zuxing Zhang, Mingyang Chen, Yiping WangAbstract:We experimentally demonstrate an automatic arc discharge technology for inscribing high-quality helically twisted long period fiber gratings (H-LPFGs) with greatly improved inscription efficiency for single mode fibers. The proposed technology has been developed by implementing an Embedded Program in a commercial fusion splicer, which employs an ultraprecision motorized translation stage while the tensioning mass required by conventional inscribing technology is eliminated. More significantly, the arc-induced H-LPFGs have been reported to have potential usage as sensors in temperature, refractive index, twist stress, and strain.
B. Robisson - One of the best experts on this subject based on the ideXlab platform.
-
Formal verification of a software countermeasure against instruction skip attacks
Journal of Cryptographic Engineering, 2014Co-Authors: N. Moro, K. Heydemann, E. Encrenaz, B. RobissonAbstract:Fault attacks against Embedded circuits enabled to define many new attack paths against secure circuits. Every attack path relies on a specific fault model which defines the type of faults that the attacker can perform. On Embedded processors, a fault model consisting in an assembly instruction skip can be very useful for an attacker and has been obtained by using several fault injection means. To avoid this threat, some countermeasure schemes which rely on temporal redundancy have been proposed. Nevertheless, double fault injection in a long enough time interval is practical and can bypass those countermeasure schemes. Some fine-grained countermeasure schemes have also been proposed for specific instructions. However, to the best of our knowledge, no approach that enables to secure a generic assembly Program in order to make it fault-tolerant to instruction skip attacks has been formally proven yet. In this paper, we provide a fault-tolerant replacement sequence for almost all the instructions of the Thumb-2 instruction set and provide a formal verification for this fault tolerance. This simple transformation enables to add a reasonably good security level to an Embedded Program and makes practical fault injection attacks much harder to achieve.
Changrui Liao - One of the best experts on this subject based on the ideXlab platform.
-
automatic arc discharge induced helical long period fiber gratings and its sensing applications
IEEE Photonics Technology Letters, 2017Co-Authors: Bing Sun, Changrui Liao, Wei Wei, Lin Zhang, Zuxing Zhang, Mingyang Chen, Yiping WangAbstract:We experimentally demonstrate an automatic arc discharge technology for inscribing high-quality helically twisted long period fiber gratings (H-LPFGs) with greatly improved inscription efficiency for single mode fibers. The proposed technology has been developed by implementing an Embedded Program in a commercial fusion splicer, which employs an ultraprecision motorized translation stage while the tensioning mass required by conventional inscribing technology is eliminated. More significantly, the arc-induced H-LPFGs have been reported to have potential usage as sensors in temperature, refractive index, twist stress, and strain.
-
automatic arc discharge technology for inscribing long period fiber gratings
Applied Optics, 2016Co-Authors: Guolu Yin, Jian Tang, Changrui Liao, Yiping WangAbstract:We experimentally demonstrate an automatic arc discharge technology for inscribing high-quality long period fiber gratings (LPFGs) with greatly improved inscription efficiency for single mode fiber (SMF) and photonic crystal fiber (PCF). The proposed technology was developed by implementing an Embedded Program in a commercial fusion splicer. In addition, the improved technology employs an ultraprecision motorized translation stage, and the tensioning mass required by conventional technology was eliminated. While hundreds of arc discharges are generally required by conventional technology, only 30 and 60 arc discharges were required to inscribe LPFGs with dip attenuations of 30 and 20 dB for SMF and PCF, respectively.
Wei Wei - One of the best experts on this subject based on the ideXlab platform.
-
automatic arc discharge induced helical long period fiber gratings and its sensing applications
IEEE Photonics Technology Letters, 2017Co-Authors: Bing Sun, Changrui Liao, Wei Wei, Lin Zhang, Zuxing Zhang, Mingyang Chen, Yiping WangAbstract:We experimentally demonstrate an automatic arc discharge technology for inscribing high-quality helically twisted long period fiber gratings (H-LPFGs) with greatly improved inscription efficiency for single mode fibers. The proposed technology has been developed by implementing an Embedded Program in a commercial fusion splicer, which employs an ultraprecision motorized translation stage while the tensioning mass required by conventional inscribing technology is eliminated. More significantly, the arc-induced H-LPFGs have been reported to have potential usage as sensors in temperature, refractive index, twist stress, and strain.