(19)

(11)

EP 4 540 900 A1

(12)

(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 23751500.2 (22) Date of filing: 12.07.2023

(51) International Patent Classification (IPC):  H01S 3/00(2006.01) G02B 6/26(2006.01) H01S 3/067(2006.01) G02F 1/35(2006.01) (52) Cooperative Patent Classification (CPC): H01S 3/005; H01S 3/0064; H01S 3/06754; H01S 3/06758; G02F 1/3511; G02F 2203/52; H01S 2301/03; G02B 6/30 (86) International application number: PCT/US2023/070045 (87) International publication number: WO 2024/015854 (18.01.2024 Gazette 2024/03)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 15.07.2022 US 202263389705 P 10.07.2023 US 202318349419 (71) Applicant: Electro-Optics Technology, Incorporated Traverse City, MI 49686 (US)	(72) Inventor: BYRNE, Conor Traverse City, Michigan 49684 (US) (74) Representative: Reddie & Grose LLP  The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)