220.4840相关论文
In this Letter, a test method based on oblique incidence is practically implemented in the interferometric measurement p......
A new method for testing aspheric surfaces by annular subaperture stitching interferometry is introduced. It can test la......
The self-mixing interferometer is used to investigate the characteristics of resonant frequency of the microresonator, w......
A position sensor based on slit imaging is proposed and its measurement principle is described. An imaging slit is illum......
Toroidal surface and biconic surface are employed increasingly, however their profile cannot be null tested easily for t......
In order to avoid stimulated Brillouin scattering and smooth the final focal spot that reaches the D-T capsule, spectral......
The free surface and unrotational-symmetric surface optical elements have been applied more and more widely along with t......
Swing arm profilometer is a useful metrology tool for large optics. For larger mirrors, the testing accuracy decreases a......
Freeform surfaces are increasingly used in the design of compact optical systems. Interferometric null test with compute......
The poly(urethane-imide) (PUI) which uses isophorone diisocyanate, dispersed red 19 (DR-19), and pyromellitic dianhydrid......
A novel laser-electro magnetic acoustic transducer (EMAT) system for nondestructive testing NDT surface crack of continu......
Aspheric elements are widely applied in optical systems and the vertex radius of curvature (VROC) is one of the importan......
2 We discuss several kinds of code schemes and analyze their spectral efficiency, code utilizing efficiency, and the max......
In order to obtain high-quality flat mirror, a serial mode combined polishing technology, consisting of continuous polis......
The long trace profiler (LTP) is proposed to measure radius of curvature (R) and surface figure of a longradius spherica......
Hollow, cylindrical, prismatic light guides (CPLGs) are optical components that, using total internal reflection (TIR), ......
The aim of this work is to provide an analytical method based on experimental measurements in order to obtain the prisma......
A new sub-aperture overlapping area fusion algorithm based on wavelet transformation is proposed to retain high-frequenc......
A sinusoidal phase-modulating (SPM) laser diode (LD) interferometer for real-time surface profile measurement is propose......
The aberration of gradient index (GRIN) rod lenses induced by deviation from the ideal refractive index distribution is ......
In order to obtain precise optical free-form convex mirror, we present a perfect process specification for fabricating a......
Freeform optical surfaces (FOSs) will be the best elements in the design of compact optical systems in the future. Howev......
