Kun Zhong, Wei Su, Bo Peng, Shaling Huang. Design of 4f emission optical system for underwater laser circumferential scanning[J]. Infrared and Laser Engineering, 2021, 50(3): 20200277
- Infrared and Laser Engineering
- Vol. 50, Issue 3, 20200277 (2021)
Fig. 1. Sketch of torus window detection transmitting system design
Fig. 2. Sketch of 6-group transmitting system
Fig. 3. Scan beam envelops: (a), (c) side elevation and platform for toroidal window; (b), (d) side elevation and platform for 4f system
Fig. 4. Structure of transmitting system
Fig. 5. Transmitting angle error in air
Fig. 6. Underwater propagation angle deviation of the beam
Fig. 7. Plane window emission system structure
Fig. 8. Conformal window structure after optimization
Fig. 9. Transmitting angle error of plane window system in water
Fig. 10. Transmitting angle error of conformal window system in water
Fig. 11. Beam section spot after 20 m under water propagation：(a)- (e) Spot of plane window system; (f)-(j) Spot of conformal window system
Fig. 12. Spot energy distribution: (a)-(e) Spot energy distribution of plane window system; (f)-(j) Spot energy distribution of conformal window system
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Table 1. [in Chinese]
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Table 12. [in Chinese]
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