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Proceedings Article

Integrated on-chip lens applied to microfluidic chips

[+] Author Affiliations
Yingying Zhao, Qin Li, Xiao-Ming Hu, Dong-Fang Yang

Beijing Institute of Technology (China)

Proc. SPIE 8553, Optics in Health Care and Biomedical Optics V, 855304 (December 11, 2012); doi:10.1117/12.2000689
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From Conference Volume 8553

  • Optics in Health Care and Biomedical Optics V
  • Qingming Luo; Ying Gu; Xingde D. Li
  • Beijing, China | November 05, 2012

abstract

The optical signal on microfluidic chip is hard to be collected. To improve the excitation power and collection efficiency, we introduced a simple, inexpensive fabrication method to increase the couple rate of optical fiber. This small element is a polymer and air integrated microlens that can improve the optical signal detection. Compared to other established protocols, this procedure allows a simple, miniaturizing and inexpensive microlens fabrication with high reproducibility. The air microlens was produced by using direct lithograph of SU-8 resist to reduce the beam divergence of optical fiber. Owing to its ability to achieve customized microlens for specific applications, this technique can be used in a variety of applications, such as a blood cell counting system based on microfluidic chip.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Yingying Zhao ; Qin Li ; Xiao-Ming Hu and Dong-Fang Yang
"Integrated on-chip lens applied to microfluidic chips", Proc. SPIE 8553, Optics in Health Care and Biomedical Optics V, 855304 (December 11, 2012); doi:10.1117/12.2000689; http://dx.doi.org/10.1117/12.2000689


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