Nanopatterning on rough surfaces using optically trapped microspheres

Y. C. Tsai; R. Fardel; Craig B. Arnold

doi:10.1063/1.3598427

Nanopatterning on rough surfaces using optically trapped microspheres

Y. C. Tsai, R. Fardel, Craig B. Arnold

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

While nanofabricated structures find an increasingly large number of applications, few techniques are able to pattern rough or uneven surfaces, or surfaces with pre-existing structure. In this letter we show that optical trap assisted nanopatterning (OTAN), a near-field laser based technique, is able to produce nanoscale features on surfaces with large roughness but without the need for focus adjustment. Patterning on model surfaces of polyimide with vertical steps greater than 0.5 μm shows a high degree of uniformity, demonstrating that OTAN is a suitable technique to pattern nontraditional surfaces for emerging technologies.

Original language	English (US)
Article number	233110
Journal	Applied Physics Letters
Volume	98
Issue number	23
DOIs	https://doi.org/10.1063/1.3598427
State	Published - Jun 6 2011

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3598427

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title = "Nanopatterning on rough surfaces using optically trapped microspheres",

abstract = "While nanofabricated structures find an increasingly large number of applications, few techniques are able to pattern rough or uneven surfaces, or surfaces with pre-existing structure. In this letter we show that optical trap assisted nanopatterning (OTAN), a near-field laser based technique, is able to produce nanoscale features on surfaces with large roughness but without the need for focus adjustment. Patterning on model surfaces of polyimide with vertical steps greater than 0.5 μm shows a high degree of uniformity, demonstrating that OTAN is a suitable technique to pattern nontraditional surfaces for emerging technologies.",

author = "Tsai, {Y. C.} and R. Fardel and Arnold, {Craig B.}",

note = "Funding Information: The authors gratefully acknowledge the financial support from NSF (Grant No. CMMI-0928803) and AFOSR (Grant No. FA9550-08-1-0094). Also, we acknowledge the usage of PRISM Imaging and Analysis Center which is supported in part by the NSF MRSEC program through the Princeton Center for Complex Materials (Grant No. DMR-0819860).",

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AU - Fardel, R.

AU - Arnold, Craig B.

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PY - 2011/6/6

Y1 - 2011/6/6

N2 - While nanofabricated structures find an increasingly large number of applications, few techniques are able to pattern rough or uneven surfaces, or surfaces with pre-existing structure. In this letter we show that optical trap assisted nanopatterning (OTAN), a near-field laser based technique, is able to produce nanoscale features on surfaces with large roughness but without the need for focus adjustment. Patterning on model surfaces of polyimide with vertical steps greater than 0.5 μm shows a high degree of uniformity, demonstrating that OTAN is a suitable technique to pattern nontraditional surfaces for emerging technologies.

AB - While nanofabricated structures find an increasingly large number of applications, few techniques are able to pattern rough or uneven surfaces, or surfaces with pre-existing structure. In this letter we show that optical trap assisted nanopatterning (OTAN), a near-field laser based technique, is able to produce nanoscale features on surfaces with large roughness but without the need for focus adjustment. Patterning on model surfaces of polyimide with vertical steps greater than 0.5 μm shows a high degree of uniformity, demonstrating that OTAN is a suitable technique to pattern nontraditional surfaces for emerging technologies.

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Nanopatterning on rough surfaces using optically trapped microspheres

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