• 23

  Jul, 2020
  Deep Discrete Hashing with Pairwise Correlation Learning

  Hashing technology plays an important role in large-scale visual search due to its low memory and fast retrieval speed. Most existing deep hashing approaches first leverage the ...
• 22

  Jul, 2020
  Impact of Third-order Dispersion and Three-photon Absorption on Mid-infrared Time Magnification via Four-wave Mixing in Si0.8Ge0.2 Waveguides

  A research team led by Dr. SUN Qibing from Xi'an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences (CAS) investigates the influence of third...
• 22

  Jul, 2020
  High-precision Resin Layer Polishing of Carbon Fiber Mirror Based on Optimized Ion Beam Figuring Process

  Based on the advantages of stress-free and non-liquid environment, ion beam polishing is the ideal processing technology for the Resin modified layer polishing of the carbon fib...
• 22

  Jul, 2020
  Graphene-assisted High-precision Temperature Sensing by Long-period Fiber Gratings

  In this study, a research team led by Prof. Dr. HE Zhengquan from Xi'an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences (CAS) employed the...
• 22

  Jul, 2020
  Giant Optical Activity in Plasmonic Chiral Structure via Double-layer Graphene Moiré Stacking in Mid-infrared Region

  The plasmonic metamaterials and metasurfaces play a critical role in manipulating lights in the mid-infrared spectral region.
  　　Here, a research team led by Prof. Dr. LIU Hong...
• 22

  Jul, 2020
  Generation of Non-Kolmogorov Atmospheric Turbulence Phase Screen Using Intrinsic Embedding Fractional Brownian Motion Method

  Generating phase screens to replace phase fluctuation caused by atmospheric turbulence is essential for simulation of light propagation through the atmosphere.
  　　Error between...