Junjie Liu, Aihua Wang, Quan Sheng, Yue Qi, Sijia Wang, Meng Wang, Degang Xu, Shijie Fu, Wei Shi, Jianquan Yao. Large-range alignment-free distributed-cavity laser based on an improved multi-lens retroreflector[J]. Chinese Optics Letters, 2022, 20(3): 031407
- Chinese Optics Letters
- Vol. 20, Issue 3, 031407 (2022)
Fig. 1. (a) Schematic of the alignment-free laser; (b) Zemax ray-trace model of the multi-lens retroreflector (the AoI interval between adjacent beams is 5°); and (c) the assembly drawing of the receiver lens tube.
Fig. 2. Calculated FC-induced defocusing in terms of millimeters and diopters.
Fig. 3. Power transfer of the laser at the working distances of 2 m and 5 m (AoI = 0°). The lines are a guide to the eye.
Fig. 4. Laser output power as a function of working distance L6 under an incident pump power of 16.6 W, with the receiver optimized at the working distance 5 m and with the receiver optimized at each point. The lines are a guide to the eye.
Fig. 5. Receiver FoV measured at a working distance of 2 m and 5 m (with an incident pump power of 16.6 W). The lines are a guide to the eye.
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Table 1. The Elements Used in the Multi-Lens Retroreflector
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