Dingfu Chen
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View article: Efficiency enhancement of organic light-emitting diodes via a self-assembled moth-eye nanopatterned hole-transporting layer
Efficiency enhancement of organic light-emitting diodes via a self-assembled moth-eye nanopatterned hole-transporting layer Open
A moth-eye nanopatterned hole-transporting layer (ME-HTL) is proposed to enhance the device efficiency of organic light-emitting diodes (OLEDs), which is fabricated via spontaneous phase separation during spin-coating between poly(N-vinylc…
View article: Advances in Phase Retrieval by Transport of Intensity Equation
Advances in Phase Retrieval by Transport of Intensity Equation Open
There are many factors in the calculations of Transport of Intensity Equation, which may lead to the uncertainty of the retrieved phase. In this paper, effect of these parameters such as defocus distance, focus plane and magnification, on …
View article: Measurement of High Numerical Aperture Cylindrical Surface with Iterative Stitching Algorithm
Measurement of High Numerical Aperture Cylindrical Surface with Iterative Stitching Algorithm Open
There are some limitations in null test measurements in stitching interferometry. In order to meet the null test conditions, the moving distance between the sub-apertures often deviates from the theoretical preset distance, which leads to …
View article: Measurement of High Numerical Aperture Cylindrical Surface with Iterative Stitching Algorithm
Measurement of High Numerical Aperture Cylindrical Surface with Iterative Stitching Algorithm Open
There are some limitations in the null test measurement in the stitching interferometry. In order to meet the null test conditions, the moving distance between the sub-apertures often deviates from the theoretical preset distance, which le…
View article: Variable optical null based on a yawing CGH for measuring steep acylindrical surface
Variable optical null based on a yawing CGH for measuring steep acylindrical surface Open
Measurement of steep acylindrical surface has the difficulty with respect to its large localized slope, which may lead to irresolvable fringe densities in off-axis subapertures. To address this problem, we analyze the departure of off-axis…
View article: Stitching interferometry of full cylinder by use of the first-order approximation of cylindrical coordinate transformation
Stitching interferometry of full cylinder by use of the first-order approximation of cylindrical coordinate transformation Open
Since the cylinder surface is closed and periodic in the azimuthal direction, traditional stitching interferometry cannot be used to yield the 360° form map. This paper describes a full cylinder stitching interferometry based on the first-…