Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1542457 | Optics Communications | 2006 | 6 Pages |
Abstract
Full-field optical coherence tomography with dynamic focusing correction is demonstrated in the 1.2 μm wavelength region using an Indium Gallium Arsenide area camera as image sensor and a halogen lamp as illumination source. An axial image resolution of 1.6 μm is measured in air (∼1.1 μm in tissue) which is the best resolution ever achieved in OCT in this wavelength region. En face tomographic images are produced using a phase-shifting method requiring the acquisition of only two phase-opposed interferometric images. In spite of a relatively moderate detection sensitivity of 80 dB within 1.0 s image acquisition time, ultrahigh resolution imaging in highly scattering biological tissues is possible without immersion medium.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Arnaud Dubois, Gael Moneron, Claude Boccara,