supported by the National Basic Research Program of China(973 Program)(No.2014CB340002);the Graduate Technological Innovation Project of Beijing Institute of Technology(No.2017CX10003)
A scheme for beam combination at any angles employing a specially designed multilayer grating is proposed. Such a grating is able to convert noncoaxial laser beams to coaxial ones, and the combined beams are able to o...
National Basic Research Program of China(973 Program)(2014CB340002,2014CB340004)
In this paper, we demonstrate a scheme for compensating distorted optical vortex beams carrying orbital angular momentum. By inputting the intensity profile into the Gerchberg–Saxton algorithm [Optik 35, 237(1972)], ...
Supported by the National Basic Research Program of China under Grant No 2012CB921900;the National Natural Science Foundation of China under Grant Nos 11534006,11274183 and 11374166;the National Scientific Instrument and Equipment Development Project under Grant No 2012YQ17004
We experimentally demonstrate a novel ghost imaging experiment utilizing a classical light source, capable of resolving objects with a high visibility. The experimental results show that our scheme can indeed realize ...
supported by the Royal Academy of Engineering Research Exchanges with China and UK(Grant No.2012-P02);National Key Technology R&D Program of Ministry of Science and Technology of China(Grant No.2012BAF08B03);National Natural Science Foundation of China(Grant No.51375189)
The porcelain fracture caused by low metal-ceramic bond strength is a critical issue in porcelain fused to metal(PFM) restorations. Surface roughening methods, such as sand blasting, acid etching and alkaline degrea...