Patent SG-11201909327Q-A (SG)
Title: Optical component for generating a periodic light pattern
Inventor: AHLUWALIA BALPREET SINGH
IPC: G01N21/64
Filed: 2018-04-05
Abstract: a911 913c 918 918c 918e 9181Y 940 944 919 944c 946 919 917a 955y 918b 955x 955 913b 914 918a 914a (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 11 October 2018 (11.10.2018) WIPO I PCT onion °nolo OH H 100TH onomo oimIE (10) International Publication Number WO 2018/185489 Al (51) International Patent Classification: G02B 27/58 (2006.01) G01N 21/64 (2006.01) G02B 21/00 (2006.01) G02B 21/24 (2006.01) (21) International Application Number: PCT/GB2018/050917 (22) International Filing Date: 05 April 2018 (05.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 1705660.7 07 April 2017 (07.04.2017) GB 20170592 07 April 2017 (07.04.2017) NO (71) Applicant: UNIVERSITETET I TROMSO - NORGES ARKTISKE UNIVERSITET [NO/NO]; Hansine Hansens veg 18, 9019 Tromso (NO). (71) Applicant (for MG only): WILSON, Timothy James [GB/GB]; Dehns, St Bride's House, 10 Salisbury Square, London Greater London EC4Y 8JD (GB). (72) Inventors: AHLUWALIA, Balpreet Singh; Nansenveg- en 103, 9007 Tromso (NO). HUSER, Thomas R.; Son- nenweg 15, 33824 Werther (Westfalen) (DE). HELLESO, Olav Gaute; Sandskjellvegen 28, 9104 Kvaloya (NO). (74) Agent: DEHNS; St Bride's House, 10 Salisbury Square, London EC4Y 8JD (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (54) Title: OPTICAL COMPONENT FOR GENERATING A PERIODIC LIGHT PATTERN (57) : An optical component (910) for illuminating a sample region (955) with a periodic light pattern comprises: a first waveguide (914), a further waveguide (916, 917, 918, 919) and an optical splitter (913a). The optical splitter (913a) has an input (911) for receiving light, a first output and a second output. The first waveguide (914) is optically coupled to the first output, to direct the first input light into the sample region (955) in a first direction (914a). The second output is optically coupled to the sample region (955) to direct second input light into the sample region (955) in a second direction (915a). The further waveguide (916, 917, 918, 919) is arranged to receive third input light which is directed into the sample region in a third direction (916a, 917a, 918a, 919a). The first direction (914a), second direction (915a) and third direction (916a, 917a, 918a, 919a) are different from one another. The first and second input light interferes to form a periodic pattern in the sample region (955). The optical component (910) may be used for structured illumination microscopy. [Continued on next page] WO 2018/185489 Al MIDEDIMOMOIDEIREEMOMMHINIVEHOMEEN SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 21(3)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))