Acta Photonica Sinica, Volume. 49, Issue 8, 0814001(2020)
Depth-micro Laser Drilling Methods Based on Spatial Light Modulator
Figures & Tables(8)
Fig. 2. Focal spot size when the focus is moved to different position
Fig. 4. Surface of intensity distribution when the focus is moved to different position
Table 1. The influence of the change of focal position on the radius of the focal spot and the focal length of the Fresnel lens
View tableView in ArticleTable 1. The influence of the change of focal position on the radius of the focal spot and the focal length of the Fresnel lens
Δ z /μm-1 000 -900 -800 -700 -600 -500 -400 -300 -200 -100 f /m22.2 24.7 27.8 31.84 37.2 44.7 55.95 74.7 112.2 224.7 Δ z /μm100 200 300 400 500 600 700 800 900 1 000 f /m-225.3 -112.8 -75.3 -56.55 -45.3 -37.8 -32.4 -28.4 -25.3 -22.8
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Chang SONG, Xiao-jun YANG, Wei ZHAO, Yu-fei DUAN. Depth-micro Laser Drilling Methods Based on Spatial Light Modulator[J]. Acta Photonica Sinica, 2020, 49(8): 0814001
Paper Information
Category: Lasers and Laser Optics
Received: Apr. 9, 2020
Accepted: May. 21, 2020
Published Online: Nov. 27, 2020
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