Kosom Chaitavon

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The need of mobile microscope is escalating as well as the demand of high quality optical components in low price. We report here a novel needle moving technique to fabricate milli-size lens together with thermal assist moldless method. Our proposed protocol is able to create a high tensile strength structure of the lens and its base which is beneficial for(More)
A surface plasmon resonance (SPR)-based optical touch sensor structure is proposed that provides high switch sensitivity and requires a weak activating force. Our proposed SPR-based optical touch sensor is arranged in a compact Kretschmann-Raether configuration in which the prism acting as our sensor head is coated with a metal nanofilm. Our optical-based(More)
We propose and experimentally demonstrate thin-film filter- (TF) based reconfigurable 1 x 2 fiber-optic add-drop switch (FADS) structures. Our key idea is to locate a movable mirror oriented at a desired angle near the TF to switch the desired wavelength optical beams to the wanted switching ports. Our first moderate-optical-isolation TF-based(More)
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