Yu Fuli, Lu Lihua, Zhang Qingchun. Design of Five Degree of Freedom Parallel Locating Mechanism for Mosaic Gratings[J]. Chinese Journal of Lasers, 2018, 45(1): 104005
- Chinese Journal of Lasers
- Vol. 45, Issue 1, 104005 (2018)
Fig. 1. Mechanism of mosaic gratings. (a) Adjusting principle of five degrees of freedom of the sub-gratings; (b) design model of grating mosaic device
Fig. 2. Structural schematic of flexible ball hinge
Fig. 3. Finite element model of grating mosaic mechanism
Fig. 4. Mode analysis results of grating mosaic mechanism. (a) First order frequency and mode; (b) second order nature frequency and mode
Fig. 5. Scheme of light path of grating mosaic experiment
Fig. 6. Image of far-field focal spot by experiment. (a) Before coplanar adjustment; (b) after coplanar adjustment
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Table 1. Results of displacement adjustment of mosaic grating by FEM
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