Abstract

We report laser Doppler ophthalmoscopic fundus imaging in the rat eye with near-IR heterodyne holography. Sequential sampling of the beat of the reflected radiation against a frequency-shifted optical local oscillator is made onto an array detector. Wide-field maps of fluctuation spectra in the 10Hz to 25kHz band exhibit angiographic contrasts in the retinal vascular tree without requirement of an exogenous marker.

© 2010 Optical Society of America

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