Related Experiment Video
Updated: May 10, 2026
10:28
Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
Published on: July 5, 2016
Holistic optical-digital hybrid-imaging design: wide-field reflective imaging
Tom Vettenburg1, Andrew R Harvey
1School of Physics and Astronomy, University of St Andrews, Fife, UK.
Applied Optics
|June 14, 2013
Summary
Wide-field reflective imaging systems are now possible using a hybrid optical-digital design. This approach overcomes off-axis aberrations, enabling sharp images across a broad field of view for diverse applications.
Area of Science:
- Optical engineering
- Astronomy
- Digital imaging
Background:
- Reflective optics are favored in astronomy for their low weight, cost, and lack of chromatic aberration.
- Off-axis aberrations typically restrict the field of view in reflective imaging systems to a few degrees.
Purpose of the Study:
- To demonstrate a holistic design approach for wide-field reflective imaging systems.
- To overcome limitations of field angle in reflective imaging systems.
Main Methods:
- A hybrid optical-digital design strategy was employed.
- Exploited the increased design freedom offered by integrated optical and digital components.
Main Results:
- Achieved consistently sharp images across a wide field of view.
- Overcame the typical limitations imposed by off-axis aberrations in reflective systems.
Conclusions:
- A hybrid optical-digital design approach enables wide-field reflective imaging.
- This holistic design strategy significantly enhances the utility of reflective imaging systems for applications requiring large fields of view.
