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Binary-phase spatial filter for real-time swept-source optical coherence microscopy
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DOI：10.1364/OL.32.002375.png)
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Abstract
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We report a novel scheme to optimize the focusing condition for real-time, swept-source optical coherence microscopy. The axial and lateral behaviors of four-zone binary-phase spatial filters are presented numerically A nearly constant axial intensity distribution along an extended depth of focus of 1.5 mm and a lateral resolution of 5 Am are experimentally verified. The A-line scan rate is up to 16 kHz, yielding a frame rate of 25 Hz and 640 lines per image. (C) 2007 Optical Society of America.
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