Marco Wende, Florian Rothermel, Eliana Stilson, Florian Kübler, Travis Sawyer, Alois M Herkommer, Andrea Toulouse
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引用次数: 0
Abstract
Miniaturized endo-microscopes enable imaging with cellular resolution in hard-to-access, confined spaces. Femtosecond 3D-printing provides ultra-compact imaging optics (∅<1mm) with a suitably fine lateral imaging resolution. The large numerical aperture of endo-microscopes, however, entails a small depth of field that prohibits sharp imaging of volumetric structures. Combining 3D-printed micro-optics with a recently presented magnetic actuator at the tip of an imaging fiber bundle allows fast axial image plane scanning (up to 20Hz) in a compact (∅= 650 µm) endo-microscope with high lateral resolution (Δx≈7μm). The magnetic actuator allows the acquisition of sharp images of 3D structures despite the short depth of field, overcoming this limitation of state-of-the-art static endo-microscopes.
期刊介绍：
The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community.
Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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