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. Author manuscript; available in PMC: 2009 Aug 27.
Published in final edited form as: Appl Opt. 2009 Jun 20;48(18):3375–3384. doi: 10.1364/ao.48.003375

Fig. 11.

Fig. 11

Imaging results for the prototype objective. (a) Objective can resolve the USAF resolution target group 7 element 6 (256 line pairs/mm) bars. (b) Image of a corner on the resolution target is used for calculating MTF based on the slanted-edge technique. (c) Objective MTF curves for horizontal and vertical edges (dash and dotted curves) shown with ideal MTF curve (solid black). The average for the horizontal and vertical edge is shown in dark gray. The objective has an average SR of 0.71.