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If you want to be more rigorous, ask your engineering or physics department if they have a sensitive, calibrated accelerometer and a spectrum analyzer.  Place the accelerometer on the floor throughout the room you want to place the equipment, and hook it up to the spectrum analyzer.  This way you will know exactly the frequencies you need to damp out.

Ben Smith
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From: Confocal Microscopy List [[log in to unmask]] on behalf of Deepak Nair [[log in to unmask]]
Sent: Thursday, September 11, 2014 6:37 AM
To: [log in to unmask]
Subject: Vibration Isolation

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Hi,

We are planning to build a single molecule based super resolution system. I
plan to put only a microscope on my active vibration isolation table. The
weight of the optical components (including microscope)and accessories on
the table would not exceed more than 100 Kg.

Is it necessary to go for 6-8 inch thick breadboard for the active
vibration isolation platfrom or an active vibration table with 4 inch
breadboard be fine for the job?

When I compare the graphs of the performance for the most of the active air
based optical isolation platforms with breadboards (whether 4 inch or 8
inch)  and with anti vibration frame  (cast or independent legs) perform
well within the standard range ?

Is there any specific rules for selecting active antivibration platforms ?

Any input will be appreciated.


Best
Deepak

--
Deepak Nair
Assistant Professor
Centre for Neuroscience
Indian Institute of Science
Bangalore 560012