| 1 | High speed sub-micrometric microscopy using optical polymer microlens显示文摘We report the high speed scanning submicronic microscopy (SSM) using a low cost polymer microlens integratedat the extremity of an optical fiber.These microlenses are fabricated by a free-radical photopolymerizationmethod.Using a polymer microlens with a radius of curvature of 250 nm,a sub-micrometricgold pattern is imaged experimentally by SSM.Different distances between the tip and the sample areused with a high scanning speed of 200 cm/s.In particular,metallic absorption contrasts are describedwith an optical spatial resolution of 250 nm at the wavelength of 532 nm.Moreover,finite-differencetime-domain (FDTD) simulations concerning the focal lengths of microlenses with different geometriesand heights support the experimental data. | 曾新华 J.Plain S.Jradi P.Renaud Goud R.Deturche P.Royer R.Bachelot | 2009 | Chinese Optics Letters2009，7，10： | 2 |
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