High-resolution imaging can be dramatically improved by combining a fast image stabilization system and variable aperture masking. We describe an imaging system that provides high-resolution images through an annular aperture using the unwanted low spatial frequency light for image stabilization. The annulus thickness and diameter can be selected to enhance the contribution of different spatial frequencies in the image at the expense of image exposure time.

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1. See for example, R.R. Shannon, The art and science of optical design (Cambridge University Press, New York, 1997).
2. J.T. Baker, R. Dymale, R.A. Carreras, S. Restaino, "Design and implementation of a low-cost starlight optical tracker system with 500 Hz active tip tilt control," Computers and Electrical Engineering 24, 123-133, (1998). [CrossRef]
3. S.R. Restaino, R.R. Radick, G.C. Loos, R.W. Conley, "A Validation of Interferometric Imaging from a Pupil Masking Experiment on a Solar Telescope," Appl. Opt. 33, 4143 (1994). [CrossRef]
4. S.R. Restaino, D.M. Payne, "Adaptive optics on a shoe string," Proc. SPIE 3494, 152-160, (1998). [CrossRef]
5. R.F. Dantowitz, S.W. Teare, M. Kozubal, "Ground-based high-resolution imaging of Mercury," Astron. J. 119, 2455-7, (2000). [CrossRef]
6. P. Nisenson, C. Papaliolios, "Detection of Earth-like Planets Using Apodized Telescopes," Astrophys. J. 548, L201-5, (2001). [CrossRef]

Other

• See for example, R.R. Shannon, The art and science of optical design (Cambridge University Press, New York, 1997).
• J.T. Baker, R. Dymale, R.A. Carreras, S. Restaino, "Design and implementation of a low-cost starlight optical tracker system with 500 Hz active tip tilt control," Computers and Electrical Engineering 24, 123-133, (1998). [CrossRef]
• S.R. Restaino, R.R. Radick, G.C. Loos, R.W. Conley, "A Validation of Interferometric Imaging from a Pupil Masking Experiment on a Solar Telescope," Appl. Opt. 33, 4143 (1994). [CrossRef]
• S.R. Restaino, D.M. Payne, "Adaptive optics on a shoe string," Proc. SPIE 3494, 152-160, (1998). [CrossRef]
• R.F. Dantowitz, S.W. Teare, M. Kozubal, "Ground-based high-resolution imaging of Mercury," Astron. J. 119, 2455-7, (2000). [CrossRef]
• P. Nisenson, C. Papaliolios, "Detection of Earth-like Planets Using Apodized Telescopes," Astrophys. J. 548, L201-5, (2001). [CrossRef]

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