Title:
MULTI-PASSAGE CAVITY FOR AN OPTICAL DEVICE FOR MANIPULATING LIGHT RADIATION SPATIALLY
Document Type and Number:
WIPO Patent Application WO/2024/002601
Kind Code:
A1
Abstract:
The invention relates to a multi-passage cavity (1) comprising first and second optical elements (3,3') respectively having main faces each bearing a reflective surface (3b, 3b'), one at least of the reflective surfaces (3b, 3b') being microstructured. The main faces (3a, 3a') are placed facing each other so that the reflective surfaces (3b, 3b') are arranged according to a defined geometry of the multi-passage cavity (1). The multi-passage cavity (1) comprises two spacers (2,2') for assembling the first and second optical elements (3,3'), the spacers (2,2') being securely fastened to the main faces of the first and second optical elements in order to maintain the defined geometry between the two reflective surfaces (3b, 3b').
Inventors:
DENOLLE BERTRAND (FR)
TRUNET GAUTHIER (FR)
TRUNET GAUTHIER (FR)
Application Number:
PCT/EP2023/064254
Publication Date:
January 04, 2024
Filing Date:
May 26, 2023
Export Citation:
Assignee:
CAILABS (FR)
International Classes:
G02B5/30; G02B7/182; G02B26/06
Domestic Patent References:
| WO2019129949A1 | 2019-07-04 | |||
| WO2019129518A1 | 2019-07-04 | |||
| WO2019162637A1 | 2019-08-29 | |||
| WO2019129954A1 | 2019-07-04 | |||
| WO2019129954A1 | 2019-07-04 | |||
| WO2019129949A1 | 2019-07-04 |
Foreign References:
| US20020181861A1 | 2002-12-05 | |||
| US9250454B2 | 2016-02-02 | |||
| US20170010463A1 | 2017-01-12 |
Other References:
MORIZUR, AL, J. OPT. SOC. AM. A, vol. 27, 11 November 2010 (2010-11-11)
Attorney, Agent or Firm:
HUYGHE, Emmanuel (FR)
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