Fabrication of an integrated Raman sensor by selective surface metallization using a femtosecond laser oscillator |
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Authors: | Zenghui Zhou Ya Cheng Zhizhan Xu Koji Sugioka |
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Institution: | a State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O. Box 800-211, Shanghai 201800, China b RIKEN - The Institute of Physical and Chemical Research, 2-1Hirosawa, Wako, Saitama 351-0198, Japan |
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Abstract: | We demonstrate that a Raman sensor integrated with a micro-heater, a microfluidic chamber, and a surface-enhanced Raman scattering (SERS) substrate can be fabricated in a glass chip by femtosecond laser micromachining. The micro-heater and the SERS substrate are fabricated by selective metallization on the glass surface using a femtosecond laser oscillator, whereas the microfluidic chamber embedded in the glass sample is fabricated by femtosecond laser ablation using a femtosecond laser amplifier. We believed that this new strategy for fabricating multifunctional integrated microchips has great potential application for lab-on-a-chips. |
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Keywords: | 87 85 Va 87 85 fk 78 30 &minus j |
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