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1.STUDY ON DRIFT ENTRANCE PUPIL IN LASER SCANNING SYSTEM
激光多面体旋转扫描测试系统入瞳漂移的研究收藏指正
2.At the visible wavelengthλ=0 .5 1 45μm (Argon ion laser) ,PST(θ) of a Ritchey- Chretien optical system with the entrance pupil diameter of1 80 mm for various incident angles of off- axis stray light source was tested.
在可见光波长λ=0 .5 1 45μm(氩离子激光 )上 ,测试了一口径为 1 80 mm的Ritchey- Chretien(R- C)光学系统在不同入射角 θ时的 PST(θ)。收藏指正
3.In the experiment, we used correlation measurement method, which can successfully hold back background thermal noise, and detect very week stray light signals. PST of a Cassegrain system with the entrance pupil diameter of 180mm has been obtained at the infrared and visible wavelength.
采用锁相放大器的调制检测法,成功地抑制了背景噪声,提取出了非常微弱的杂光信号,测得了口径D=180mm的卡塞格林系统的红外和可见杂光PST。收藏指正
4.Methods Eyesys Corneal Analysis System was used for the computer assisted analysis of corneal differential topographical maps gained preoperatively and 10 days postoperatively in 158 eyes of 98 patients with at least six months of follow up to determine the direction and the distance of the center of ablation zone relative to the center of the entrance pupil,and a comparison in decentration difference was made between one zone ablated eyes and multi zone ablated eyes.
方法采用Eyesys角膜形态分析系统对随访6个月以上的98例(158只眼)PRK前、后10天的角膜地形图进行分析,确定激光切削中心相对入射瞳孔中心的方向、距离; 比较单区和多区域激光切削的偏中心差异。收藏指正
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