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EP 4 816 870 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898444.5 (22) Date of filing: 15.10.2024

(51) International Patent Classification (IPC):  G02B 21/33(2006.01) G02B 3/12(2006.01) G01N 21/956(2006.01) G02B 21/36(2006.01) (52) Cooperative Patent Classification (CPC): G02B 21/33; G02B 21/365; G02B 21/0032; G02B 21/0088; G02B 21/16 (86) International application number: PCT/US2024/051384 (87) International publication number: WO 2025/117061 (05.06.2025 Gazette 2025/23)

(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 202363604493 P (71) Applicant: Agilent Technologies, Inc. Santa Clara CA 95051 (US)	(72) Inventors: STILES, Matthew Arthur Santa Clara, California 95051 (US) KNIGHT, Benjamin Santa Clara, California 95051 (US) HOULE, Christopher Santa Clara, California 95051 (US) PIETTE, James Donald Santa Clara, California 95051 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)