Abstract

Two-photon lithography (TPL) is an enabling technology for the fabrication of three-dimensional microstructures with sub-micron resolution. Because of its unique set of advantages in respect of other microfabrication techniques such as photolithography, TPL has been employed in the last ten years for the manufacturing of devices in as diverse fields as microfluidics, microelectronics, photonics, and bioengineering. In this article, we exploit coherent ant-Stokes Raman scattering (CARS) microscopy as a diagnostic tool for microstructures fabricated by TPL.Two-photon lithography (TPL) is an enabling technology for the fabrication of three-dimensional microstructures with sub-micron resolution. Because of its unique set of advantages in respect of other microfabrication techniques such as photolithography, TPL has been employed in the last ten years for the manufacturing of devices in as diverse fields as microfluidics, microelectronics, photonics, and bioengineering. In this article, we exploit coherent ant-Stokes Raman scattering (CARS) microscopy as a diagnostic tool for microstructures fabricated by TPL.

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