Microscale implementation of a bio-inspired acoustic localization device

Luke J. Currano; Haijun Liu; Danny Gee; Benjamin Yang; Miao Yu

doi:10.1117/12.821675

4 May 2009 Microscale implementation of a bio-inspired acoustic localization device

Luke J. Currano, Haijun Liu, Danny Gee, Benjamin Yang, Miao Yu

Author Affiliations +

Proceedings Volume 7321, Bio-Inspired/Biomimetic Sensor Technologies and Applications; 73210B (2009) https://doi.org/10.1117/12.821675
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

We present a microscale implementation of an acoustic localization device inspired by the auditory organ of the parasitic fly Ormia Ochracea. The device consists of a pair of circular membranes coupled together with a beam. The coupling serves to amplify the difference in magnitude and phase between the response of the two membranes as the incident angle of the sound changes, allowing directional information to be deduced from the coupled device response. The device was fabricated using MEMS technology and tested with laser Doppler vibrometery. Amplification factors of up to 7 times were observed in the phase difference between the membranes at 90 degree incident sound angles, with directional sensitivity of up to 0.3μs/degree.

Citation Download Citation

Luke J. Currano, Haijun Liu, Danny Gee, Benjamin Yang, and Miao Yu "Microscale implementation of a bio-inspired acoustic localization device", Proc. SPIE 7321, Bio-Inspired/Biomimetic Sensor Technologies and Applications, 73210B (4 May 2009); https://doi.org/10.1117/12.821675

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE