Danyi Wang, Changxi Xue, Chuang Li, Hongfang Yang. Design of Electronic Endoscope Optical System Based on Microlens Array[J]. Acta Optica Sinica, 2018, 38(2): 0222003
- Acta Optica Sinica
- Vol. 38, Issue 2, 0222003 (2018)
Fig. 1. Coordiantes of microlens array system
Fig. 2. Imaging relationship of a microlens array element
Fig. 3. Initial system. (a) Initial layout of electronic endoscope; (b) MTF curves of initial system
Fig. 4. Optical layout of electronic endoscope. (a) Overall structure; (b) partial enlarged structure
Fig. 5. Imaging performance of the electronic endoscope optical system. (a) MTF curves; (b) spot diagram; (c) field curvature and distortion
Fig. 6. MTF curves without microlens array
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Table 1. Main design parameters of the electronic endoscope objective system
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Table 2. Residual aberrations of the electronic endoscope optical system
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