| Co-Aperture Transceiving of Two Combined Beams Based on Adaptive Fiber Coupling Control | |
| Li, Feng1; Geng, Chao2; Li, Xinyang1; Qiu, Qi1 | |
| Source Publication | IEEE Photonics Technology Letters
 |
| Volume | 27Issue:17Pages:1787-1790 |
| 2015 | |
| Language | 英语 |
| ISSN | 1041-1135 |
| DOI | 10.1109/LPT.2015.2438172 |
| Indexed By | SCI ; Ei |
| WOS ID | WOS:000358698200001 |
| Subtype | 期刊论文 |
| Abstract | We demonstrate the reception and transmission of fiber laser beams using two-element adaptive fiber-optics collimator (AFOC) array under simulated turbulences. Coupling efficiency of laser beam from free space into polarization maintaining fibers is optimized with tip/tilt aberration correction. According to the principle of optical reciprocity, tip/tilt errors of the phase-conjugated collimating laser beams are compensated simultaneously. The average of normalized coupling efficiency of one AFOC increases from 0.61 without control to 0.85 under control and 0.57 to 0.85 for another. The average of diffraction-pattern centroid's deviation of two outgoing combined beams in the far-field drops from 17.5μ rad to 2.35μ rad, and mean-square-error value drops from 6.59 to 1.35μ rad. Control bandwidth of 30 Hz for tip/tilt correction is achieved with computer-based stochastic parallel gradient descent controller with update rate of 1.15 kHz. Results indicate the potential value of the AFOC array in fiber coupling, laser communication and beam projection applications. © 1989-2012 IEEE.; We demonstrate the reception and transmission of fiber laser beams using two-element adaptive fiber-optics collimator (AFOC) array under simulated turbulences. Coupling efficiency of laser beam from free space into polarization maintaining fibers is optimized with tip/tilt aberration correction. According to the principle of optical reciprocity, tip/tilt errors of the phase-conjugated collimating laser beams are compensated simultaneously. The average of normalized coupling efficiency of one AFOC increases from 0.61 without control to 0.85 under control and 0.57 to 0.85 for another. The average of diffraction-pattern centroid's deviation of two outgoing combined beams in the far-field drops from 17.5μ rad to 2.35μ rad, and mean-square-error value drops from 6.59 to 1.35μ rad. Control bandwidth of 30 Hz for tip/tilt correction is achieved with computer-based stochastic parallel gradient descent controller with update rate of 1.15 kHz. Results indicate the potential value of the AFOC array in fiber coupling, laser communication and beam projection applications. © 1989-2012 IEEE. |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ioe.ac.cn/handle/181551/6420 |
| Collection | 自适应光学技术研究室（八室） |
| Corresponding Author | Li, Xinyang |
| Affiliation | 1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China 2. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, China |
| Recommended Citation GB/T 7714 | Li, Feng,Geng, Chao,Li, Xinyang,et al. Co-Aperture Transceiving of Two Combined Beams Based on Adaptive Fiber Coupling Control[J]. IEEE Photonics Technology Letters,2015,27(17):1787-1790. |
| APA | Li, Feng,Geng, Chao,Li, Xinyang,&Qiu, Qi.(2015).Co-Aperture Transceiving of Two Combined Beams Based on Adaptive Fiber Coupling Control.IEEE Photonics Technology Letters,27(17),1787-1790. |
| MLA | Li, Feng,et al."Co-Aperture Transceiving of Two Combined Beams Based on Adaptive Fiber Coupling Control".IEEE Photonics Technology Letters 27.17(2015):1787-1790. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 2015-2086.pdf（987KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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