论文部分内容阅读
发光学报2019年第40卷第9期 目录
【出 处】
：
发光学报
【发表日期】
：
2019年40期
其他文献
Magnetostrictive optomechanical cavities provide a new optical readout approach to room-temperature magnetometry. Here we report ultrasensitive and ultrahigh bandwidth cavity optomechanical magnetometers constructed by embedding a grain of the magnetostri
期刊
The electrical nonlinearity of silicon modulators based on reversed PN junctions was found to severely limit the linearity of the modulators. This effect, however, was inadvertently neglected in previous studies. Considering the electrical nonlinearity in
Repetition rate-dependent absorbance measurements of synthetic fused silica at 193-nm irradiation are performed in the range of 50–1 000 Hz with an ArF laser calorimeter. The "apparent" single- and twophoton absorption coefficients are determined by mea
Influence of mixed organic cations on the nonlinear optical properties of lead tri-iodide perovskite
Metal halide perovskite materials have been widely studied recently due to their excellent optoelectronic properties. Among these materials, organic-inorganic hybrid perovskites have attracted much attention because of their relatively soft framework, whi
期刊
Two frequency selective surface (FSS) configurations with flat topped passband are presented in this paper. One configuration is single layer FSS with lambda/4 thickness dielectric loaded on both sides, and the other is double layers FSS. Based on the mod
针对结肠息肉图像中息肉颜色与背景颜色相似、息肉大小不一等影响分割效果的问题,提出了一种改进的双U型结构的结肠息肉图像分割网络。所提模型以DoubleU-Net为基础架构,首先,在U型结构的跳跃连接处融入空间注意力机制以提取空间特征的相关性信息;其次,在跳跃连接处同时并入通道注意力机制以有效地表达有用通道的依赖性,抑制与息肉分割任务无关的特征;最后,在第二个U型结构编码器的输入端引入多尺度选择核心通