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Lecture by GK Lau on Bionic Plastic Actuators and Flapping Wings
Watch our flapping wing drone hover, dart, dive, and pull up for a soft landing! Read also from news reports .
此研究使用外置逆向反射帶來恢復鏡子的傾斜反射的激光，并推導出多普勒頻移與逆向反射傾斜角的關係。
Effect of oblique retroreflection on laser Doppler shift
Effect of oblique retroreflection on laser Doppler shift
[20 March 2019 ] Congratulation to Kusuma Agusanto for his paper being Editor's pick in the issue of Applied Optics. He reported the use of external retroreflective tape o recover the mirror's oblique reflection of laser beam; he also related Doppler shift to the oblique angle of retroreflection. Watch the video from Applied Optics.
Active smart `glass' by variable micro wrinkling of TiO2 nanometric thin film - i.e. sunblock material
Active smart `glass' by variable micro wrinkling of TiO2 nanometric thin film - i.e. sunblock material
[September 18, 2018] A technology offer at TechInnovation, highlighted in the News Letters of IPI-Singapore. This TiO2-based surfaces is 81% clear when being flat but it turns hazy with 1.85% transmittance when being microwrinkled. See the TechInnovation website and the full paper downloadable at ACS Photonics
這種塗布了TiO2納米膜的介電彈性體是81％透明的。但當表面微褶皺時，它變得模糊；透明度降為1.85％。
該器件利用亞微米熱膨脹實現快速微定位
Leveraging thermal expansion for micro-positioning of r/w head of hard disk drive
Leveraging thermal expansion for micro-positioning of r/w head of hard disk drive
[ 21 September 2016] Bravo to the team of joint collaboration with A*STAR data storage institute. This work on thermal micro-actuator for hard disk drive was the Highlights of 2016 by the journal of micromechanics and microengineering. with media coverage by PhysOrg
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