What is it about?
In this work, the third harmonic radiation (337nm) of an Nd:YAG laser was used to fabricate microchannel on UV photoresistive material. The laser radiation was focused on a photoresistive layer formed on a transparent nonmetallic substrate. The dimensions of the fabricated microchannel could be optimized by precise control of some processing parameters, such as laser power, beam radius and irradiation time. The width of channel formed in this work was minimized down to 1m with highly sharp internal edges and uniform inclination at the neck region. This technique can be effectively used for the mass production of high quality and uniform microstructures for microfluidic devices in biomedical applications.
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Why is it important?
In concluding remarks, the employment of third harmonic of Nd:YAG laser radiation in the lithography of photoresistive material can improve the fabrication of microfluidic devices for biomedical applications. The precise control of processing parameters can lead to produce the required designs of microchannels used for these applications.
Perspectives
In concluding remarks, the employment of third harmonic of Nd:YAG laser radiation in the lithography of photoresistive material can improve the fabrication of microfluidic devices for biomedical applications. The precise control of processing parameters can lead to produce the required designs of microchannels used for these applications.
Dr Oday A. Hammadi
Al-Iraqia University
Read the Original
This page is a summary of: Using third-harmonic radiation of Nd:YAG laser to fabricate high-quality microchannels for biomedical applications, Optik, December 2019, Elsevier,
DOI: 10.1016/j.ijleo.2019.164147.
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