C3-a2 - Investigating the acoustic focusing performance of PDMS lens for ultrasound transducers
- Event
- 2025 ICU PADERBORN - 9th International Congress on Ultrasonics
2025-09-21 - 2025-09-25
Paderborn - Band
- Lectures
- Chapter
- C3-a - Acoustic Sensors
- Author(s)
- V. S. S. Pakki, M. Vishwanatha, K. Selvam, N. Saeidi, M. Wiemer, H. Kuhn - Fraunhofer ENAS, Chemnitz (Germany), M. Guttmann, C. Deutschbein - Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen (Germany)
- Pages
- 203 - 206
- DOI
- 10.5162/Ultrasonic2025/C3-a2
- ISBN
- 978-3-910600-08-9
- Price
- free
Abstract
This study investigates acoustic focusing using a PDMS convex lens. The results revealed that the lens caused a shift in the focal region towards the transducer, as observed in experiments and simulations. The lens reduced near-field interference, increased output pressure, and improved beam convergence as indicated by a narrower beam profile. These findings highlight the potential of PDMS lenses for optimizing the performance of ultrasound transducers, including micromachined ultrasound transducers (MUTs), for various applications.