D1 Cooling

Using a laser constructed by Ian Kivlichan, Simon Heun will be assembling a laser system for cooling 40K on the 4S1/2 $\rightarrow$ 4P1/2 transition (the D1 line) rather than the typical D2 line. This laser system will be used to provide Sisyphus cooling in an optical molasses, after a MOT has been gathered using standard laser cooling on the D2 line.

Optical Layout

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