• 02

  Apr, 2020
  Scientists propose an innovative compact integrated optical filter

  Recently, a research team led by Prof. Dr. ZHANG Wenfu from Xi'an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences (CAS) proposed a new int...
• 10

  Mar, 2020
  Modified eigenvector-based feature extraction for hyperspectral image classification using limited samples

  LDA/NWFE calculates the eigenvectors on the basis of the maximum distance among classes and the minimum distance within classes; it extracts and reduces the dimension of samples...
• 10

  Mar, 2020
  Influence of energy fluence and overlapping rate of femtosecond laser on surface roughness of Ti-6Al-4V

  The Ti-6Al-4V polished by femtosecond laser processing is first investigated by YANG yong’s research team from XIOPM.
  　　The surface nanoparticles of Ti-6Al-4V induced by femt...
• 10

  Mar, 2020
  Experimental demonstration of wave-front coded imaging with a very low response of the modulation transfer function at the Nyquist frequency

  Wave-front coding (WFC) is a well-known technique that can be used to extend the depth of field (DOF) of incoherent imaging systems. The phase masks make the optical transfer fu...
• 27

  Nov, 2019
  Three-dimensional thermal model of high-power semiconductor lasers

  In this paper, 3-D, steady-state, analytical thermal models of high-power single-emitter semiconductor lasers (SEs) and laser diode arrays (LDAs) are derived XIOPM's research te...
• 27

  Nov, 2019
  Improved vector-extrapolation-based Richardson-Lucy algorithm used for wavefront coded imaging

  The Richardson-Lucy (RL) algorithm is a well-known nonlinear restoration method and has been widely applied in the fields of astronomical image restoration, microscopic image re...