期刊
OPTICS EXPRESS
卷 23, 期 17, 页码 21931-21941出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.021931
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资金
- MSFHR
- CIHR
- NSERC
- FFB
- SFU VPR
- UC Davis Research Investments in Science and Engineering (RISE) initiative
- NIH [EY02660]
- UC Davis NEI Vision Core Grant
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [1068109, 1068070] Funding Source: National Science Foundation
Adaptive optics is rapidly transforming microscopy and high-resolution ophthalmic imaging. The adaptive elements commonly used to control optical wavefronts are liquid crystal spatial light modulators and deformable mirrors. We introduce a novel Multi-actuator Adaptive Lens that can correct aberrations to high order, and which has the potential to increase the spread of adaptive optics to many new applications by simplifying its integration with existing systems. Our method combines an adaptive lens with an imaged-based optimization control that allows the correction of images to the diffraction limit, and provides a reduction of hardware complexity with respect to existing state-of-the-art adaptive optics systems. The Multi-actuator Adaptive Lens design that we present can correct wavefront aberrations up to the 4th order of the Zernike polynomial characterization. The performance of the Multi-actuator Adaptive Lens is demonstrated in a wide field microscope, using a Shack-Hartmann wavefront sensor for closed loop control. The Multi-actuator Adaptive Lens and image-based wavefront-sensorless control were also integrated into the objective of a Fourier Domain Optical Coherence Tomography system for in vivo imaging of mouse retinal structures. The experimental results demonstrate that the insertion of the Multi-actuator Objective Lens can generate arbitrary wavefronts to correct aberrations down to the diffraction limit, and can be easily integrated into optical systems to improve the quality of aberrated images. (C) 2015 Optical Society of America
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