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Chin. Opt. Lett.
 Home  List of Issues    Issue 08 , Vol. 16 , 2018    10.3788/COL201816.080502

Beam combination at any angles with a multilayer grating
Ci Yin, Shiyao Fu, Yahui Zhang, Yanwang Zhai, Heng Zhou, and Chunqing Gao
School of Optics and Photonics, [Beijing Institute of Technology], Beijing 100081, China

Chin. Opt. Lett., 2018, 16(08): pp.080502

Topic:Diffraction and gratings
Keywords(OCIS Code): 050.1950  050.1960  050.4865  

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 output along the normal line of the grating. The intensity and the phase structure of combined beams can also be controlled. The experiments are carried out by loading an encoded grating on a liquid-crystal spatial light modulator. The results agree well with the simulations. This method of beam combination with a multilayer grating serves to simplify the complexity of beam combination.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2018/7/27

Get Citation: Ci Yin, Shiyao Fu, Yahui Zhang, Yanwang Zhai, Heng Zhou, and Chunqing Gao, "Beam combination at any angles with a multilayer grating," Chin. Opt. Lett. 16(08), 080502(2018)

Note: This work was supported by the National Basic Research Program of China (973 Program) (No. 2014CB340002) and the Graduate Technological Innovation Project of Beijing Institute of Technology (No. 2017CX10003).


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