Cao Xiaowen, Zhang Lei, Yu Yongsen, Chen Qidai. Application of Micro-Optical Components Fabricated with Femtosecond Laser[J]. Chinese Journal of Lasers, 2017, 44(1): 102004
- Chinese Journal of Lasers
- Vol. 44, Issue 1, 102004 (2017)
Fig. 1. Schematic of femtosecond laser direct writing
Fig. 2. Schematic of femtosecond laser two-photon polymerization
Fig. 3. (a) Interaction of ultrashort laser pulse and material; (b) ablation threshold with Gaussian beam
Fig. 4. Scanning electron microscopy image and laser confocal microscopy image of concave-convex microlens
Fig. 5. Imaging effect of microlens array at different positions
Fig. 6. (a)(b) Natural compound eye; (c)(d) artificial compound eye
Fig. 7. Fresnel lens array with hexagonal
Fig. 8. Electron microscopy images of Dammam gratings. (a) Original image; (b) 2×2; (c) 3×3; (d) 4×4; (e) 5×5; (f)6×6
Fig. 9. (a)(c)(e) Two microdisks coupled and its spectrum; (b)(d)(f) three microdisks coupled and its spectrum
Fig. 10. Beam quality after and before shaping
Fig. 11. Images of polymer spheres and cells in microchannel
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