The new stage missed the right height by ~2 mm. 
Even if I completely bottom out the (New Focus 9071) 4-axis stage, its not short enough. So I removed the AOM from the beam and re-aligned into the PMC.
Steve, please get the aluminum piece remachined to go down by 2.5 mm so we can have some height adjustment room.
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New stage can  hold the correct polarization.
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Also, the turning mirror mount just after the EOM and before the AOM is a U-100 and we want it to be a Suprema for stability - let's not forget to swap that after Steve gets the mount fixed. |