Things I cant explain: Difference between revisions
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In March 2014, the 50 Watt FORT laser had terrible lifetimes. There are some pictures that should be in the Z drive. Now, after buying the new FORT laser, May 2014, they look much more reasonable. wtf? The one thing I did differently was put the laser through a beam cube and aligned the cavity mirrors to maximize the linearly horizontal polarized light. |
In March 2014, the 50 Watt FORT laser had terrible lifetimes. There are some pictures that should be in the Z drive. Now, after buying the new FORT laser, May 2014, they look much more reasonable. wtf? The one thing I did differently was put the laser through a beam cube and aligned the cavity mirrors to maximize the linearly horizontal polarized light. |
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-Possible explanation would be that there was a loose mirror in cavity?? |
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-Maybe I was leaving a laser on when I took the data in March?? |
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Revision as of 15:52, 22 May 2014
Alignment to MOT tapered amplifier gets misaligned by a large amount about once a week. I need to check power before and after for a long experiment to make sure the beams stayed the same power
Blow away beam not blowing all atoms away from F=2 state. There always seems to be some atoms there when I check that population.
In March 2014, the 50 Watt FORT laser had terrible lifetimes. There are some pictures that should be in the Z drive. Now, after buying the new FORT laser, May 2014, they look much more reasonable. wtf? The one thing I did differently was put the laser through a beam cube and aligned the cavity mirrors to maximize the linearly horizontal polarized light.
-Possible explanation would be that there was a loose mirror in cavity?? -Maybe I was leaving a laser on when I took the data in March??