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How to mount DMD?

Jian Wang
Prodigy 80 points
Other Parts Discussed in Thread: DLP7000
Dear forum, 
I am now working on a project related to DLP7000 DMD.
The DMD needs to be tilted by about 45 degrees to let the reflected light horizontal.
The image below shows our DMD mounting method. The drawback of this mounting method is that DMD cannot be aligned very precisely to let the reflected light horizontal.
We want a mounting method by which we can align DMD to let reflected light absolutely or very near to horizontal. Do you have any specific solution?
Many thanks.
Best,
Jian 
  • 0
    TI__Guru 54320 points

    Hello Jain,

    The best solution I can think of is to replace the optical mounting block that you currently have immediately behind the DMD with a small rotation stage of similar dimensions.  We have done similar setups before using such stages.

    I know that Newport, Melles Griot, Thor Labs and others make such stages.  You will have to make a thin plate to mate up to the DMD mount.

    This is just one example of a low profile stage:

    Fizix.

  • 0 in reply to Fizix
    Prodigy 80 points

    Many thanks, Fizix.