title: High-speed optical frequency-domain imaging.
abstract: We demonstrate high-speed, high-sensitivity, high-resolution optical imaging based on optical frequency-domain interferometry using a rapidly-tuned wavelength-swept laser. We derive and show experimentally that frequency-domain ranging provides a superior signal-to-noise ratio compared with conventional time-domain ranging as used in optical coherence tomography. A high sensitivity of -110 dB was obtained with a 6 mW source at an axial resolution of 13.5 microm and an A-line rate of 15.7 kHz, representing more than an order-of-magnitude improvement compared with previous OCT and interferometric imaging methods.
authors.forename: S
authors.initials: S
authors.lastname: Yun
authors.forename: G
authors.initials: G
authors.lastname: Tearney
authors.forename: Johannes
authors.initials: J
authors.lastname: de Boer
authors.forename: N
authors.initials: N
authors.lastname: Iftimia
authors.forename: B
authors.initials: B
authors.lastname: Bouma