Terahertz wavefronts measured using the Hartmann sensor principle
文献类型：期刊论文
| 作者 | Cui, M.1,2; Hovenier, J. N.2; Ren, Y.2,3,4; Polo, A.5; Gao, J. R.1,2 |
| 刊名 | OPTICS EXPRESS
 |
| 出版日期 | 2012-06-18 |
| 卷号 | 20期号:13页码:14380-14391 |
| ISSN号 | 1094-4087 |
| 英文摘要 | We demonstrate for the first time that the Hartmann wavefront sensor (HWS) principle can be applied for characterizing the wavefronts of terahertz (THz) electromagnetic radiation. The THz Hartmann wavefront sensor consists of a metallic plate with an array of holes and a two-dimensional scanable pyro-electric detector. The THz radiation with different wavefronts was generated by a far-infrared gas laser operated at 2.5 THz in combination with a number of objects that result in known wavefronts. To measure the wavefront, a beam passing through an array of holes generates intensity spots, for which the positions of the individual spot centroids are measured and compared with reference positions. The reconstructed wavefronts are in good agreement with the model expectations. (C) 2012 Optical Society of America |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Optics |
| 研究领域[WOS] | Optics |
| 关键词[WOS] | LENSES ; RECONSTRUCTION ; SPECTROSCOPY ; ABERRATIONS ; LASER ; FOCUS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000305473000075 |
| 公开日期 | 2013-01-31 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/7969]  |
| 专题 | 紫金山天文台_毫米波和亚毫米波技术实验室 |
| 作者单位 | 1.SRON Netherlands Inst Space Res, NL-3584 CA Utrecht, Netherlands 2.Delft Univ Technol, Kavli Inst NanoSci, NL-2628 CJ Delft, Netherlands 3.Chinese Acad Sci, PMO, Nanjing 210008, Jiangsu, Peoples R China 4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China 5.Delft Univ Technol, Dept Imaging Sci & Technol, Opt Res Grp, NL-2628 CJ Delft, Netherlands |
| 推荐引用方式 GB/T 7714 | Cui, M.,Hovenier, J. N.,Ren, Y.,et al. Terahertz wavefronts measured using the Hartmann sensor principle[J]. OPTICS EXPRESS,2012,20(13):14380-14391. |
| APA | Cui, M.,Hovenier, J. N.,Ren, Y.,Polo, A.,&Gao, J. R..(2012).Terahertz wavefronts measured using the Hartmann sensor principle.OPTICS EXPRESS,20(13),14380-14391. |
| MLA | Cui, M.,et al."Terahertz wavefronts measured using the Hartmann sensor principle".OPTICS EXPRESS 20.13(2012):14380-14391. |
入库方式： OAI收割
来源：紫金山天文台
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