Minglei Guo, Yong-Hong Ye, Jinglei Hou, Bintao Du. Experimental far-field imaging properties of high refractive index microsphere lens[J]. Photonics Research, 2015, 3(6): 339
- Photonics Research
- Vol. 3, Issue 6, 339 (2015)
Fig. 1. (a) Schematic of the experimental setup. (b) SEM image of a blank BD studied in this paper.
Fig. 2. Images of the disk through the high index microsphere with a diameter of 24 μm fully immersed in liquid at different distance between the object and the microsphere: (a) 0, (b) 2.2, (c) 3.5, and (d) 5.4 μm.
Fig. 3. (a) Magnification and (b) FOV of the lens versus the distance between the object and the microsphere lens.
Fig. 4. Electromagnetic field intensity distribution forms “photonic nanojet” at the bottom of the microsphere lens with a diameter of 24 μm.
Fig. 5. Electromagnetic field intensity profile at different positions of (a) 0, (b) 2.2, (c) 3.5, and (d) 5.4 μm under the microsphere, respectively.
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