(19)
(11) EP 4 817 137 A2

(12)

(88) Date of publication A3:
30.10.2025

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24931193.7

(22) Date of filing: 27.11.2024
(51) International Patent Classification (IPC): 
H01S 3/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H01S 3/0014; G01M 11/0285; H01S 5/06825
(86) International application number:
PCT/US2024/057759
(87) International publication number:
WO 2025/198672 (25.09.2025 Gazette 2025/39)
(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:
GE KH MA MD TN

(30) Priority: 30.11.2023 US 202363604618 P
13.05.2024 US 202418662698

(71) Applicant: Innovoyce LLC
Boston, MA 02108 (US)

(72) Inventors:
  • WELCHES, Richard
    Boston, MA 02108 (US)
  • MAIS, Stephen
    Boston, MA 02108 (US)
  • CHO, James
    Boston, MA 02108 (US)
  • GALLIPOLLI, Brandon
    Boston, MA 02108 (US)
  • O'REILLY, Jack
    Boston, MA 02108 (US)

(74) Representative: Boult Wade Tennant LLP 
Salisbury Square House 8 Salisbury Square
London EC4Y 8AP
London EC4Y 8AP (GB)

   


(54) FIBER LASER WITH OPTICAL FEEDBACK FOR CONTAMINANT DETECTION AND OTHER FUNCTIONALITY