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Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
Published on: July 5, 2016
Optical Design for a Spatial-Spectral Volume Holographic Imaging System.
Paul J Gelsinger-Austin1, Yuan Luo, Jonathan M Watson
1College of Optical Sciences, The University of Arizona, Tucson, AZ 85721, USA.
Optical Engineering (Redondo Beach, Calif.)
|July 29, 2010
Summary
This study introduces an enhanced Spatial Spectral Holographic imaging system (S(2)-VHIS) with a significantly expanded field of view. The improved design achieves a ~1mm field of view, overcoming previous limitations while maintaining high resolution and dynamic range.
Area of Science:
- Biophotonics and advanced imaging techniques.
- Development of novel microscopy systems.
Background:
- Confocal microscopy is a standard for high-resolution imaging.
- Existing Spatial Spectral Holographic imaging systems (S(2)-VHIS) offer multi-depth imaging but have limited fields of view (<200 microm).
Purpose of the Study:
- To present an improved S(2)-VHIS design with an expanded field of view.
- To demonstrate the system's capability to maintain high resolution and dynamic range over a larger area.
Main Methods:
- Experimental validation of an upgraded S(2)-VHIS prototype.
- Characterization of the imaging system's field of view, resolution, and dynamic range.
Main Results:
- The improved S(2)-VHIS design achieved a field of view of approximately 1mm.
- High resolution and dynamic range were successfully maintained across the expanded field of view.
Conclusions:
- The enhanced S(2)-VHIS overcomes previous field-of-view limitations.
- This advancement makes S(2)-VHIS a more practical and versatile alternative to confocal microscopy for broader applications.
