评述了太赫兹射线成像的进展情况.太赫兹(THz)辐射介于微波和红外之间.与微波、X射线、核磁共振(NMR)成像相比,太赫兹成像不仅能给出物体的密度信息,而且能给出频率域的信息,以及在光频、微波和X射线范围内所不能给出的材料的转动、振动信息.太赫兹射线与其他频段的电磁波相比,它能量低,不会造成对生物样品的电离损伤,而且太赫兹射线很容易穿过介电材料,因而可以用于产品的安全监测.因此太赫兹成像技术在生物学、工业安全监测等方面有可能带来新的关键性的突破.
参考文献
| [1] | Fattinger C, Grischkowsky D. Point source terahertz optics [J]. Appl. Phys. Lett., 1988, 53: 1480. |
| [2] | Hu B B, Zhang X C. Free-space radiation from electro-optic crystals [J]. Appl. Phys. Lett., 1990, 56: 1480. |
| [3] | Wu Q, Zhang X C. Free-space electro-optic sampling of terahertz beam [J]. Appl. Phys. Lett., 1995, 67: 3523. |
| [4] | Hu B B, Nuss M C. Imaging with terahertz waves [J]. Opt. Lett., 1995, 20: 1716. |
| [5] | Mittleman D M, et al. T-ray tomography [J]. Opt. Lett., 1997, 20: 904. |
| [6] | Johnson J L, Mittleman D M, et al. Enhanced depth resolution in terahertz imaging using phase-shift interferometry [J]. Appl. Phys. Lett., 2001, 78: 835. |
| [7] | Johnson J L, Mittleman D M, et al. Background-free THz imaging using interferometric tomography [C]∥ CLEO 2000, 526-527. |
| [8] | Johnson J L, Mittleman D M, et al. Interferometric imaging with terahertz pulses [J]. IEEE J. Sel. Tops. Quant.Electron., 2001, 7: 592. |
| [9] | Mittleman D M, Gupta M, et al. Recent advances in terahertz imaging [J]. Appl. Phys. B, 1999. |
| [10] | Mittleman D M, Nuss M C, et al. T-ray imaging [J]. IEEE J. Sel. Top. Quant. Electron., 1996, 2: 679. |
| [11] | Wu Q, Zhang X C, et al. Dynamic range of an electro-optic field sensor and its imaging applications [J]. Appl.Phys. Lett., 1996, 68: 3224. |
| [12] | Wu Q, Zhang X C, et al. Two dimensional electro-optic imaging of THz beams [J]. Appl. Phys. Lett., 1996, 69:1062. |
| [13] | Jiang Zhiping, Zhang Xicheng. Measurement of spatio-temporal terahertz field distribution by using chirped pulse technology [J]. IEEE J. Sel. Top. Quant. Electron., 2000, 36. |
| [14] | Jiang Zhiping, Zhang Xicheng. Single-shot spatiotemporal terahertz field imaging [J]. Opt. Lett., 1998, 23. |
| [15] | Jiang Zhiping, Zhang Xicheng. Terahertz pulse measurement with an optical streak camera [J]. Opt. Lett., 1998,1245. |
| [16] | Hunsche S, Koch M, et al. THz near-field imaging [J]. Optics Communications, 1998, 150: 22. |
| [17] | Mitrofanov O, Harel R, et al. Study of Single-cycle pulse propation inside a terahertz near-field probe [J]. Appl.Phys. Lett., 2001, 78: 252. |
| [18] | Mitrofanov O, Brener I, et al. Near-field microscope probe for far infrared time domain measurements [J]. Appl.Phys. Lett., 2000, 77: 591. |
| [19] | Mitrofanov O, Brener I, et al. Terahertz near-field microscopy based on a collection mode detector [J]. Appl.Phys. Lett., 2000, 77: 3496. |
| [20] | Zhang X C. T-ray computed tomography [J]. Hot Topic LEOS News Lett., 2002. |
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