Holographic laser Doppler ophthalmoscopy.
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 10 Hz to 25 kHz band exhibit angiographic contrasts in the retinal vascular tree without requirement of an exogenous marker.
Simonutti
M
M
Institut National de la Santé et de la Recherche Médicale-101, UMR-S 968, rue de Tolbiac, 75654 Paris Cedex 13, France.
Paques
M
M
Sahel
J A
JA
Gross
M
M
Samson
B
B
Magnain
C
C
Atlan
M
M
D000792:Angiography / Q000662:veterinary; D000818:Animals; D005240:Feasibility Studies; D005654:Fundus Oculi; D006696:Holography / Q000379:methods*; D007834:Lasers; D009887:Ophthalmoscopy / Q000379:methods*; D051381:Rats; D012160:Retina / Q000000981:diagnostic imaging