1) f-θ lens
f-θ镜
1.
Design of hybrid refractive-diffractive f-θ lens working on CO_2 laser drilling system;
CO_2激光雕刻机的折/衍混杂f-θ镜设计
2) F-θ lens
F-θ镜头
1.
Design of hybrid refractive-diffractive f-θ lens with multi-wavelength,large working area
多波长、大工作面折-衍混杂f-θ镜头设计
2.
The optical design of F-θ lens,which is fit for laser marking as the focusing lens was introduced.
介绍一种适合于激光打标的聚焦镜头-F-θ镜头的光学设计。
5) focal ratio of primary
主镜F#
6) f-theta objective lens
f-theta物镜
1.
The optical structure of the f-theta objective lens and the experimental results were given.
17,焦距40mm,总长140mm的f-theta物镜设计结果的光路图和芯片荧光测试实验结果。
补充资料:人镜
1.唐吴兢《贞观政要.任贤》:"太宗后尝谓侍臣曰:'夫以铜为镜,可以正衣冠;以古为镜,可以知兴替;以人为镜,可以明得失。朕常保此三镜,以防己过。今魏征殂逝,遂亡一镜矣!'"后因以"人镜"指善于谏劝﹑能纠正他人过失者。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条