Title:
REFLECTIVE SPIRAL PHASE PLATE, AND APPARATUS FOR GENERATING LAGUERRE GAUSSIAN BEAM COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/049867
Kind Code:
A1
Abstract:
A spiral phase plate, according to one embodiment, for generating a Laguerre Gaussian beam by reflecting an incident beam emitted from a light source, may comprise: a first quadrant area in which the step height increase rate per unit angle decreases progressively in one direction from the point with the lowest step height to the point with the highest step height; and a second quadrant area in which the step height increase rate per unit angle increases progressively in the one direction.
Inventors:
KIM I JONG (KR)
BAE JI YONG (KR)
KIM HONG SEUNG (KR)
KIM GUN HEE (KR)
CHANG KI SOO (KR)
JEON CHEON HA (KR)
CHOI IL WOO (KR)
NAM CHANG HEE (KR)
BAE JI YONG (KR)
KIM HONG SEUNG (KR)
KIM GUN HEE (KR)
CHANG KI SOO (KR)
JEON CHEON HA (KR)
CHOI IL WOO (KR)
NAM CHANG HEE (KR)
Application Number:
PCT/KR2020/012155
Publication Date:
March 18, 2021
Filing Date:
September 09, 2020
Export Citation:
Assignee:
KOREA BASIC SCIENCE INST (KR)
INST BASIC SCIENCE (KR)
GWANGJU INST SCIENCE & TECH (KR)
INST BASIC SCIENCE (KR)
GWANGJU INST SCIENCE & TECH (KR)
International Classes:
G02B26/06; G02B5/20; G02B26/02; H01S3/00
Foreign References:
| KR20180097001A | 2018-08-30 | |||
| KR20110096150A | 2011-08-29 | |||
| US20180287262A1 | 2018-10-04 | |||
| US20160360605A1 | 2016-12-08 | |||
| KR20040026109A | 2004-03-27 |
Attorney, Agent or Firm:
MUHANN PATENT & LAW FIRM (KR)
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