Title:
LASER-BEAM SYNTHESIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/064017
Kind Code:
A1
Abstract:
This laser-beam synthesis device (100) has a plurality of shaping optical units (11) that emit annular laser beams that exhibit different amounts of outer-diameter change per unit propagation distance. Said shaping optical units are laid out such that the emitted annular laser beams are concentric.
Inventors:
NAGAI TORU
WANI FUMIO
NAGAOKA RYUJI
WANI FUMIO
NAGAOKA RYUJI
Application Number:
PCT/JP2014/005084
Publication Date:
May 07, 2015
Filing Date:
October 06, 2014
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
G02B27/10; H01S3/00
Foreign References:
| JPH0943537A | 1997-02-14 | |||
| JPS60153024A | 1985-08-12 | |||
| JPH0943537A | 1997-02-14 |
Other References:
See also references of EP 3064986A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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