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David Notebook: Difference between revisions
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'''8/26/14'''
Replaced the deuterium cylinder. It was taking a lot more from the old one to get to the same pressure than it used to (we usually fill a small tube between the cylinder and a secondary valve and put in multiples of that amount). Since it was taking more, the cylinder must have been lower pressure. We probably could have used the old one for a bit longer, but since the cavity hasn't been behaving well I thought it was worth switching now. Maybe something weird was going on, like the deuterium pressure was low enough that a significant amount of air or nitrogen was getting into the cavity through small leaks in the tubing.
Still not getting nearly as high 633 generation as a couple weeks ago. I'm not sure why, but at this point we're just going to take data so we have something and maybe we can redo it later if things start working better.
{| class="wikitable"
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! Pump Power (W) !! Transmitted Pump Power (mW) !! Transmitted Stokes (mW) !! Generated 633 (nW) !! Conversion Efficiency (*<math> 10^{-7))
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| 20 || Example || Example || Example ||
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| 15 || Example || Example || Example ||
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| 10 || Example || Example || Example ||
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| 5 || Example || Example || Example ||
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| 1 || Example || Example || Example ||
|}
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