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. Author manuscript; available in PMC: 2011 Nov 2.
Published in final edited form as: Opt Lett. 2010 Sep 15;35(18):3120–3122. doi: 10.1364/OL.35.003120

Fig. 1.

Fig. 1

(Color online) (a) Schematic for a simplified non-telecentric beam-scanning system. The dotted gray line shows the flat focal plane, while the dashed gray curve shows the curved coherence gate. (b) Scanning in two dimensions results in a circular pattern of path length variations across the field of view. (c) The calculated maximum path length difference plane across a fixed FOV (solid blue curve) and the Rayleigh range of the focused beam as a function of the focal length (dashed red curve).