Title:
OPTICAL SYSTEM FOR LASER CUTTING
Document Type and Number:
WIPO Patent Application WO/2018/218606
Kind Code:
A1
Abstract:
An optical system for laser cutting, comprising: a first lens (100), a second lens (200), a third lens (300), a fourth lens (400) and a fifth lens (500), which are arranged in order from the object side to the image side; the first lens (100) is a meniscus lens, the second lens (200) is a lenticular lens, the third lens (300) is a plano-concave lens, the fourth lens (400) is a plano-convex lens, and the fifth lens (500) is a plano-convex lens; the fourth lens (400) may move between the third lens (300) and the fifth lens (500).
Inventors:
LI JIAYING (CN)
SUN BO (CN)
CHEN GENYU (CN)
CHEN YAN (CN)
GAO YUNFENG (CN)
SUN BO (CN)
CHEN GENYU (CN)
CHEN YAN (CN)
GAO YUNFENG (CN)
Application Number:
PCT/CN2017/086841
Publication Date:
December 06, 2018
Filing Date:
June 01, 2017
Export Citation:
Assignee:
HANS LASER TECHNOLOGY IND GROUP CO LTD (CN)
International Classes:
B23K26/38; B23K26/064; G02B7/02; G02B13/00
Foreign References:
| CN104690432A | 2015-06-10 | |||
| CN2216443Y | 1996-01-03 | |||
| CN102348530A | 2012-02-08 | |||
| CN204964857U | 2016-01-13 | |||
| CN205571729U | 2016-09-14 | |||
| JP2015024428A | 2015-02-05 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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