Generation of regular optical vortex arrays using double gratings
In order to generate high quality regular optical vortex array (OVA), we present an experimental method for generating OVA using phase only liquid crystal spatial light modulator (LC-SLM) assisted two gratings. In the scheme, holograms of two grating are displayed on the screen of two LC-SLMs respec...
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| Veröffentlicht in: | Optoelectronics letters 2021-05, Vol.17 (5), p.317-320 |
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| container_title | Optoelectronics letters |
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| creator | Sun, Hai-bin Zhang, Xin-yu Sun, Ping |
| description | In order to generate high quality regular optical vortex array (OVA), we present an experimental method for generating OVA using phase only liquid crystal spatial light modulator (LC-SLM) assisted two gratings. In the scheme, holograms of two grating are displayed on the screen of two LC-SLMs respectively; the diffraction optical fields are captured by a CCD camera. The simulated and experimental results show that the regular OVA can be generated by using double diffraction gratings. The generated OVAs have a constant topological charge of ±1. The method can provide a useful pathway to produce regular OVA for some applications in optical communication, particle trapping and optical metrology. |
| doi_str_mv | 10.1007/s11801-021-0047-0 |
| format | Article |
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| ispartof | Optoelectronics letters, 2021-05, Vol.17 (5), p.317-320 |
| issn | 1673-1905 1993-5013 |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Arrays CCD cameras Gratings (spectra) Lasers Liquid crystals Optical communication Optical Devices Optics Photonics Physics Physics and Astronomy Spatial light modulators |
| title | Generation of regular optical vortex arrays using double gratings |
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