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Crooked and uneven beams??? Help

RECON

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Hi all. I wanted to ask this question for a while now and get a response from the experienced crowd. I have noticed that most if not all of the lasers I have owned have what I call a "crooked beam." When coming out of the host at the aperature, the beam appears a couple degress of axis...either to the right or to the left depending on the make and model. It seems as if every laser I have owned has had an angle to the beam when compared to the alignment of the host. Some are worse than others. The beam never comes out perfectly straight. Am I getting bad luck with lasers or is this to be expected?? It is kind of frustrating because I dont know if I am receiving low quality models or if this is the "norm." I apologize ahead of time if this is a double post but I can't find definitive information about this topic. If anyone can help me I really appreciate it. Thanks guys.
 

Things

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Nothing to worry about. Unless the beam is seriously off angle, it's completely normal.
 
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All it means is that the person who assembled the laser did not take the time
to center the expander lens completely.

This can be corrected but requires a steady hand, practice, and some epoxy..
Keep in mind, this only applies to 532nm or other DPSS lasers..
 

RECON

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Thanks Things and Wannaburn. I mean the beams aren't terrible, but there is a definite angle. O well. I guess maybe its luck of the draw whether or not the person who assembles the laser centers the lense. Also, another quick question. Pertaining to pen pointers...is it normal after a couple duty cycles, for the dot to appear bright for approximately 1-2 seconds upon re-activation, then dim slightly and hold there during the remainder of the activation period? I have been told this was to be expected when the pointer is used after multiple duty cycles. Lemme know. Thank you guys.
 




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