Focus Invariant Imaging

Focus-invariant optical systems are optical/digital systems that are deigned to be independent of focus. In other words, focus-invariant systems have a very large depth of field or depth of focus compared with standard systems.

Related abstracts and papers:

Related images:

- Extended Depth of Field Optical/Digital Incoherent Optical Systems

- Extended Depth of Field Through Wavefront Coding

- An Information Theory Approach to Incoherent Information Processing Systems

- Control of Chromatic Focal Shift Through Wavefront Coding

- Realizations of Focus Invariance in Optical/Digital Systems with Wavefront Coding

- 3-D Color Extended Depth of Field

- Achromatic Systems

- Extended Depth of Field Color Macro Imaging

- Wavefront Phase Maps

- Extended Depth of Field Imaging

- Depth of Field/Depth of Focus vs. F/# Trade-off

- First-Generation Cubic Phase Mask

- Simulated Extended Depth of Field Imaging

- First Focus-Invariant Images

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