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Optics is a branch of physics describing the behaviors and properties of light (electromagnetic waves). Questions regarding the properties of light, it's interactions with matter and the instruments used to detect and deflect (or concentrate) light should be posted here.
1
vote
Reusable 100um x 5mm flow chamber
I believe there are 3 mainly options for this case:
use microfluidic devices that are made to be reusable;
use microfluidic devices that are not are not meant to be reusable but cheaper;
devise a pr …
2
votes
Precision measurement of liquid levels
I believe some laser equipment does have the 20µm that you are looking for:
Displacement measurement sensors
This product for example has a 20µm precision, but it is said that the precision depends …