(19)
(11) EP 4 581 425 A1

(12)

(43) Date of publication:
09.07.2025 Bulletin 2025/28

(21) Application number: 23768361.0

(22) Date of filing: 01.09.2023
(51) International Patent Classification (IPC): 
G02F 1/355(2006.01)
(52) Cooperative Patent Classification (CPC):
G02F 1/355
(86) International application number:
PCT/IB2023/058653
(87) International publication number:
WO 2024/047594 (07.03.2024 Gazette 2024/10)
(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: 02.09.2022 GB 202212770

(71) Applicant: The Secretary of State for Defence
Salisbury, Wiltshire SP4 0JQ (GB)

(72) Inventors:
  • BURGESS, Christopher David
    Salisbury Wiltshire SP4 0JQ (GB)
  • LOTTI, Francesco
    Salisbury Wiltshire SP4 0JQ (GB)
  • ZAYATS, Anatoly
    Salisbury Wiltshire SP4 0JQ (GB)
  • WESTGATE, Christopher Luke
    Salisbury Wiltshire SP4 0JQ (GB)

(74) Representative: Milne, Timothy Sutherland 
Dstl Intellectual Property Group G02, Building 5 Porton Down
Salisbury, Wiltshire SP4 0JQ
Salisbury, Wiltshire SP4 0JQ (GB)

   


(54) OPTICAL LIMITERS