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Finding a replacement (35mW?) green laser module

ProlificSwan

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May 28, 2015
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So I have been given a laser module that I am not entirely able to identify or find a replacement for. Photos are shown below. It's diameter is 7/8'' (length is not critical) and it uses 1A at 2.1V. The person who gave it to me said it was a 35 mW green laser, but I think it might be more powerful. I was able to get it working, but I believe my power supply spiked recently and killed the diode, since it no longer draws any current. I'm looking for a replacement, but there are no identifying marks on the module. Has anyone seen a module like this? Any help/ideas you can give are appreciated.




 



diachi

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I have seen similar modules, but not necessarily exactly the same. If you could provide dimensions that may help someone identify it.

What I want to know is, why is it mounted to an adjustable mirror mount?
 
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ProlificSwan

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So after talking to the person who gave it to me, it's actually a 250mW green laser. The extra power is useful to ensure that we still get a good result after the beam goes through a beam expander.

Dimensions are 1.655''(length)x0.875''(diameter). I need to find a replacement that has a mounting screw or two, is less than 1'' in diameter, and is greater than 100mW. It's mounted that way to ensure the beam is straight when mounted on a lab table (also it was probably just what was available). We are trying to use it for part of an interferometer. I basically was given the whole setup and told to make it work on the power side from a 6V battery. Tried some LM317's as current regulators but obviously ran into heat dissipation issues.
 
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