You can check with Polytec.
www.polytec.com
They sell vibrometers with frequencies up to 20 MHz.

Barry


-----Original Message-----
From: Dr. B. Purniah [mailto:[email protected]]
Sent: January 19, 2006 4:35 AM
To: [email protected]
Subject: [mems-talk] Laser Vibrometer

Dear All,
I am intersted to measure the ampltude of vibration of a MEMS ultrasonic
transducer using a laser vibrometer. The typical frequency is 3MHz. Which
is the best vibrometer suited for this? I have seen Polytec AS400 model
but am not sure about the frequency.
Thanks in advance
b.purniah

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