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Plasmonic color filters comprised of metal films can be adjusted easily. Periodic arrays of subwavelength size holes with circle, square and rectangular shape are fabricated on 200 nm thick Au films by using focused ion beam. The structures are utilized as plasmonic color filters for exhibiting color variation under the illumination of white light in different polarization directions. We find that for rectangular hole arrays, the color of the transmitted light changes greatly with polarization direction. However, for arrays of circle and square holes, color of the transmitted light is not sensitive to the polarization direction of incident light. We conclude that localized surface plasmon around a single hole is a key factor in influencing the color of transmission light, rather than surface plasmon polaritons induced by periodic arrays. If incident light does not excite the localized surface plasmon around the holes, the effect of surface plasmon polariton will disappear, Based on different display colors of transmitted light of the subwavelength holes with polarization, a composite color display sample is prepared, which will exhibit different color patterns as the polarization direction of incident light changes.
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Keywords:
- surface plasmon polaritons /
- local surface plasmon /
- color filters /
- arrays of subwavelength size hole
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[6] Laux E, Genet C, Skauli T, Ebbesen T W 2008 Nat. Photon. 2 161
[7] Xu T, Wu Y K, Luo X G, Guo L J 2010 Nat. Commun. 1 1058
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[13] Ghaemi H F, Thio T, Grupp D E, Ebbesen T W, Lezec H J 1998 Phys. Rev. B 58 6779
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[16] Sun M, Liu R J, Li Z Y, Cheng B Y, Zhang D Z, Yang H F, Jin A Z 2006 Chin. Phys. 15 1591
[17] Zhao Q, Li C, Zhou Y S, Wang H Y 2011 J. Phys.: Condens. Matter 23 015005
[18] Chen Q, Cumming D R S 2010 Opt. Express 18 14057
[19] Schwind M, Kasemo B, Zoric I 2013 Nano Lett. 13 1743
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[1] Cho Y, Choi Y K, Sohn S H 2006 Appl. Phys. Lett. 89 051102
[2] Catrysse P B, Suh W, Fan S, Peeters M 2004 Opt. Lett. 29 974
[3] Kanamori Y, Shimono M, Hane K 2006 IEEE Photon. Technol. Lett. 18 2126
[4] Yokogawa S, Burgos S P, Atwater H A 2012 Nano Lett. 12 4349
[5] Chen Q, Das D, Chitnis D, Walls K, Drysdale T D, Collins S, Cumming D R S 2012 Plasmonics 7 695
[6] Laux E, Genet C, Skauli T, Ebbesen T W 2008 Nat. Photon. 2 161
[7] Xu T, Wu Y K, Luo X G, Guo L J 2010 Nat. Commun. 1 1058
[8] Degiron A, Lezec H J, Yamamoto N, Ebbesen T W 2004 Opt. Commun. 239 61
[9] Genet C, Ebbesen T W 2007 Nature 445 39
[10] Yi Y X, Wang G P, Long Y B, Shan H 2003 Acta Phys. Sin. 52 604 (in Chinese) [易永祥, 汪国平, 龙拥兵, 单红 2003 52 604]
[11] Degiron A, Ebbesen T W 2005 J. Opt. A: Pure Appl. Opt. 7 S90
[12] Hua Y L, Fu J X, Li J Y, Li Z Y, Yang H F 2010 Chin. Phys. B 19 047309
[13] Ghaemi H F, Thio T, Grupp D E, Ebbesen T W, Lezec H J 1998 Phys. Rev. B 58 6779
[14] Klein Koerkamp K J, Enoch S, Segerink F B, van Hulst N F, Kuipers L 2004 Phys. Rev. Lett. 92 183901
[15] van der Molen K L, Klein Koerkamp K J, Enoch S, Segerink F B, van Hulst N F, Kuipers L 2005 Phys. Rev. B 72 045421
[16] Sun M, Liu R J, Li Z Y, Cheng B Y, Zhang D Z, Yang H F, Jin A Z 2006 Chin. Phys. 15 1591
[17] Zhao Q, Li C, Zhou Y S, Wang H Y 2011 J. Phys.: Condens. Matter 23 015005
[18] Chen Q, Cumming D R S 2010 Opt. Express 18 14057
[19] Schwind M, Kasemo B, Zoric I 2013 Nano Lett. 13 1743
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