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. 2013 Jan 18;4(2):287–297. doi: 10.1364/BOE.4.000287

Fig. 4.

Fig. 4

(a) Measuring tilt with a white light interferometer. The doublet’s average tilt was 0.093° with a standard deviation of 0.055°. (b) Measuring decenter with an integrated gage amplifier. The doublet’s average decenter was 6.1 μm with a standard deviation of 0.7 μm.