Event Information

Workshops: UHF-120 - Ultra High Frequency Laser Doppler Vibrometer for Measurements up to 1.2GHz

13 April 2010 to 30 April 2010
09:30 - 12:00
Various Locations

Investigating the dynamics of micro-components, such as MEMS (Micro-Electro-Mechanical System) is an important task, both for design verification during development and also for routine quality control measurements, e.g. on wafer level components. Non-contact Laser Doppler vibrometry optical measurement techniques have become an indispensable tool for such characterization - it non-reactively provides the entire frequency range split into phases as well as allowing analysis of transients and decay phases in the time domain.

Until now, measurements have been limited to the frequency spectrum up to approx. 30 MHz and to velocities of up to 10m/s. With its new innovative design UHF-120 Laser Doppler Vibrometer, Polytec has extended the frequency range to 1.2GHz and the velocity range to more than 100m/s.

The new Polytec measurement system is thus ideal for examining high frequency RF-MEMS and ultrasonic transducers, with high precision. Due to the small focal spot size of the laser beam, even tiny structures such as NEMS or systems with short acoustic wavelengths, such as SAWs, can be characterized with high lateral resolution. The ability to resolve high velocities now means that it is also possible to characterize high performance ultrasonic transducers.

These workshops aim to educate and demonstrate the New Polytec UHF-120 instrument. The workshop will provide information, together with practical demonstrations on Ultra High Frequency Measurements.

Applications Areas of Interest
Surface Acoustic Waves (SAW), RF MEMS, Crystal Oscillators, Ceramic Resonators, Timing Devices, Intermediate Frequency (IF), Thin Films, Thickness Expansion Modes, Bleustein-Gulyaev or BG-wave, Shear Horizontal surface Wave (SH Wave).

Website: http://www.polytec-ltd.co.uk/eur/158_426.asp

Download: News-and-events/members events/Polytec Workshop April 2010 (pdf)