An addition to Introspec is the use of a digital link to control the cal source and read system themperature.
Bath Interferometer
This is a simple common bath interferometer that uses a laser diode for a source and web cam for an imager.
The Wiki page offers better information than I can provide:
UPDATE - IT WORKS! It also has a new big brother.
The Wiki page offers better information than I can provide:
UPDATE - IT WORKS! It also has a new big brother.
This is basicly a knock-off of the Harvard Inrtospec using available parts and materials.
Grating information: