Looking for accurate distance sensor

[MH500]

Hi
I'm looking for a high accurate distance sensor to detect very low movements. (0.1 to 200 micrometer).
It can be a light sensor or anything eles.
I want it to measuring very low material deflections.
Do u have any idea?

 

[IRstuff]

interferometry typically applies to submicron measurements:

https://www.attocube.com/en/products/laser-displacement-sensor/displacement-measuring-interferometer

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

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[MH500]

The auttocube sensors are looks good, but they are too big.
Do u khow smaller one?
Something like a board module?

 

[IRstuff]

Too big? The smallest is 4 mm diameter x 11.5 mm. Not sure how you could imagine anything smaller. A board module would be much bigger than that/

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

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[MacGyverS2000]

IR, the page you link to shows just the (large) control box, not the (small) sensor that's attached to it... perhaps that's the confusion?

Dan - Owner

http://www.Hi-TecDesigns.com

 

[MH500]

May be you right. And It can suitable for my need.
I have one more question
What about hall effect sensors?
Can they measure micro movements?
I should put it in maximum 10x10mm space.