Greetings,
Have you contacted any manufacturers of isolators? I recall that Mason Industries has a decent real-world treatment of isolation that might help you get started. I didn't see any of the text on their website (www.mason-ind.com), but you can get a copy of their "seismic...
Greetings,
Is it totally impossible to send a laser signal down the length of the fiber? Is the free end of the fiber accessible (even there's a mile of fiber between it and the vibration source)? Maybe there is a sharp enough impedance change at the point of extrusion to bounce a laser off...