[Laser] Chucks question continued

[Jim Moss]

Chuck,

After rereading, I think my statement on d is not correct. It may be as simple as 1 mm/1000. See link below to Newport.

Could the error be related to that you are not reflecting directly off the grating surface? The experiment shows sending the beam thru the grating? If so, could there be an angle error induced?

 Could it be that the grating is facing the wrong way? Thus creating an offset due to the medium thickness of the grating material?

Good summary on defraction gratings.
https://www.newport.com/t/grating-physics

Jim


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