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Red Polarisation rotator/waveplate needed

Dmax

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Feb 17, 2019
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I need to mix two red 638nm beams together I already have a PBS cube so I'm looking for a Red Polarisation rotator/waveplate, could anyone here direct me to a good supplier ?
 



RedCowboy

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trinh hong phuoc

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There are actually a lot of cheaper options, I tried one for just over $ 1, and they did very well with red, $ 69 is super expensive.
 

RedCowboy

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Yes they are super expensive, but I am using OPT rotator and PBS cube to combine 2 x nubm44 and OPT says 1% loss max, but if cheaper rotator works without too much loss I will try it, do you have a link for 445nm-455nm rotator that can take 7.5w ?

Is yes please post a link, Thanks.
 
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trinh hong phuoc

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I bought them on taobao,but maybe you can't
you also cacn buy on ebay,i seen some seller sell them 5$/pc, These mirrors always have good performance, they do not lose energy like lenses
 

RedCowboy

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They are not mirrors but wave plates/rotators
You use them with a PBS cube to combine 2 beams and have a perfect overlap, otherwise if you use a PBS cube to combine you must turn one laser 90 degrees.

63986
 
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