Projects Working Ph.D. Student: University of Texas at Austin Nonlinear Collapse CMUT 06/2021 – presentXiaoyu NiuPI: Neal A. Hall I mainly work on the SOI silicon wafers to fabricate membrane structure.After microfabrication, I will use LDV to measure the vibration of the membrane. Fly-Inspired Directional Microphone [Processing Sheet][MEMS Processing Notebook] 01/2021 – presentFunded by Harman International, SamsungXiaoyu Niu, Anna J BuckthorpePI: Neal A. Hall I study and work on the microfabrication of the MEMS microphone. Measurement of the Capacitive Machined Ultrasonic Transducers (CMUT) 08/2020 – 12/2020Xiaoyu Niu, Anna J Buckthorpe Anna J Buckthorpe and I learned how to use Scanning Laser Doppler Vibrometers (LDV) assisted by Yoonho Seo, Randy Williams, and Dr. Hall.Paper: Xiaoyu Niu, Anna J. Buckthorpe, Randall P. Williams, Member, IEEE, Yoonho Seo, and Neal A. Hall, An Air-Coupled CMUT Using Pull-In and Snap-Back for Ultrasound Generation, Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, submitted, TUFFC-10963-2021 Ph.D. student: Chinese Academy of Sciences 01/2020 – 06/2020 CAS Key Laboratory of Noise and Vibration Research, Ph.D. student Research on the frequency dispersion Undergraduate: Ocean University of China 08/2016 – 09/2017 Ocean Acoustic Laboratory, Experiment Assistant Participated in National Science Foundation, Reduce Back Reflection of Underwater Objective with Destructive Interference, No.11674293Optimized experiment methods and analyzed data Paper: Broadband and Wide-angle Blazed Acoustic Gratings Using Multiple Coupled Helmholtz Resonators, Applied Physics Express Patent: Sound Wave Reflection Conduit Phase Calibration System and Method,CN106949921B, the first inventor Patent: Programmable Device to Control Wave Front, CN106898344A, the first inventor 12/2016 – 05/2018 National Innovation and Entrepreneurship Training Project, Leader Research on Wide Band Back Negative Reflection, No.201710423036Got the EXCELLENCE resultInvited to take part in National Annual Meeting of Innovation and Entrepreneurship for College Students. (Only the top 1% of projects in our university can get the invitation.) 08/2017 – 12/2017 Sound and Vibration Measurement Laboratory, Experiment Assistant Responsible for maintaining 3D Printing Machine and optimized constructionCreated the World First Authentic Acoustic 3D Printing Ukulele 01/2018 – 06/2018 Peking University Cancer Hospital & Institute, Data Processing Assistant Analyzed experiment data using probabilistic methods Paper: Effects of different uncertainty settings in Monaco treatment system on computation efficiency and diametric accuracy, Chinese Journal of Medical Physics 08/2016 – 12/2016 Open Experiment Use wave-guide tube to measure the acoustic impedance at the end of the tube.We design almost items of the experiment by our own: acoustic source, wave guide, measurement circuit, and the impedance.Group: Kai Wu, Xiaoyu Niu