Infrared and Laser Engineering, Volume. 50, Issue 11, 20210270(2021)
Design of focusing mechanism for long array focal plane with heavy load
Figures & Tables(14)
Fig. 7. Sketch map of focusing mechanism synchronous error analysis
Table 1. Requirement of MoS2
View tableView in ArticleTable 1. Requirement of MoS2
Test project Technical index Friction conefficient μ≤0.10 Friction durability τ≥3×105 Adhesion/mN Lc≥60 Thickness/μm 1±0.5
Table 2. Analysis of first three order mode
View tableView in ArticleTable 2. Analysis of first three order mode
Order Vibration form Frequency/Hz First 110 Second 148 Third 260
Table 3. Three directions first order characteristic frequency of focusing device
View tableView in ArticleTable 3. Three directions first order characteristic frequency of focusing device
Direction X/Hz Y/Hz Z/Hz Characteristic frequency 105 197 108
Table 4. Results of sine vibration
View tableView in ArticleTable 4. Results of sine vibration
Direction X Y Z Input acceleration/g 2 2 2.5 Output acceleration/g 4.81 10.62 14.75 Amplified factor 2.4 5.3 5.9
Table 5. Results of random vibration
View tableView in ArticleTable 5. Results of random vibration
Direction X Y Z Input acceleration/g 2.88 2.88 2.88 Output acceleration/g 11 7.1 7.1 Amplified factor 3.8 2.5 2.5
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Junjie Fan, Fuqiang Li, Weijun Cai, Qinglin Li, Zhandong Zhang, Shitao Ding. Design of focusing mechanism for long array focal plane with heavy load[J]. Infrared and Laser Engineering, 2021, 50(11): 20210270
Paper Information
Category: Optical design
Received: Apr. 28, 2021
Accepted: --
Published Online: Dec. 7, 2021
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