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Multiple beam ptychography for large field-of-view, high throughput, quantitative phase contrast imaging
Charles Bevis1, Robert Karl1, Jonathan Reichanadter1
1JILA, University of Colorado, 440 UCB, Boulder, Colorado 80309-0440, USA.
Ultramicroscopy
|September 16, 2017
Summary
This study introduces a new method for ptychographic coherent diffractive imaging. It enables large field-of-view imaging with high resolution, overcoming a common trade-off in imaging science.
Area of Science:
- Imaging Science
- Diffractive Imaging
- Microscopy
Background:
- Achieving large field-of-view imaging without sacrificing spatial resolution is a significant challenge in imaging science.
- Conventional imaging techniques often face a trade-off between field-of-view and resolution.
Purpose of the Study:
- To develop a novel extension of ptychographic coherent diffractive imaging.
- To enable simultaneous full-field imaging of multiple sample locations.
- To maintain diffraction-limited resolution across a large field-of-view.
Main Methods:
- Illuminating the sample with spatially separated, interfering probes.
- Extending ptychographic coherent diffractive imaging.
- Acquiring diffraction patterns without increasing data volume.
Main Results:
- Demonstrated simultaneous full-field imaging of multiple locations.
- Achieved large field-of-view imaging in both amplitude and phase.
- Maintained diffraction-limited resolution across the entire field-of-view.
Conclusions:
- The novel technique overcomes the field-of-view versus resolution limitation.
- This method offers a powerful tool for advanced imaging applications.
- It provides high-resolution, large-scale imaging capabilities without increased data acquisition.
