17 July 2018 Sol-gel channel waveguide for optical manipulation
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Integrated optical Mach-Zehnder interferometer (IO-MZI) had been widely researched for biochemical and biosensing applications. However, fabrication constraints and flexibility requirements hinder the success rate of IO-MZI to be used as a commercial sensor. In this work, an innovative sol-gel processed channel waveguide has been researched, analyzed and formulated for an optimized fabrication. The relationship between the physical channel design, refractive index of channel waveguide with the surface intensity had been thoroughly investigated to form a streamlined model. Apart from that, beam polarization and wavelength influence due to the evanescent field of sol-gel channel waveguide is also simulated to further estimate the channel waveguide behavior in an optical setting. The proposed sol-gel processed channel waveguide has the advantage of high transmittance, easy-forming, excellent thermal stability and highly tunable refractive index.
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Soon Wei Bong, Soon Wei Bong, Vithyacharan Retnasamy, Vithyacharan Retnasamy, Mohamad Halim Abd Wahid, Mohamad Halim Abd Wahid, Nor Azura Malini Ahmad Hambali, Nor Azura Malini Ahmad Hambali, Mukhzeer Mohamad Shahimin, Mukhzeer Mohamad Shahimin, "Sol-gel channel waveguide for optical manipulation", Proc. SPIE 10662, Smart Biomedical and Physiological Sensor Technology XV, 106620R (17 July 2018); doi: 10.1117/12.2304755; https://doi.org/10.1117/12.2304755


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