Docket #: S20-018
Holographic X-ray Detection
Differential Phase Contrast (DPC) X-ray imaging measures both absorption and index of refraction of materials being imaged. This technique has several advantages compared to traditional absorption-only X-ray imaging. It can perform medical imaging with a substantially higher contrast to noise ratio for soft matter (such as tumor detection) and has many applications in security screening (such as explosive material identification).
The system uses a non-linear optical medium which forms a change in the index of refraction or the absorption of the material when exposed to X-ray radiation. After illumination, 2 ?m diffracted light is then analyzed to measure the magnitude and location of the changes in the index of refraction or absorption of the non-linear optical medium. The relative phases which reconstruct the pattern of X-ray illumination in visible light can then be digitized using a digital camera. Thus, an X-ray hologram is transformed into a digital signal, allowing for precise reconstruction of the interior of the object.
Stage of Research
Prototype
Related technologies:
S16-173 Fates - Compact, Sensitive X-ray Differential Phase Contrast Imaging System
Applications
- Medical & Security CT
- Dental X-ray imaging
- Mammography
- General X-ray imaging
Advantages
- 2.4um resolution while maintaining >80% quantum efficiency of incident x-rays
Patents
- Published Application: 20210247330
- Issued: 11,391,679 (USA)
Similar Technologies
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Next Generation Explosive Detection with Differential Phase Contrast (DPC) Imaging – Artifact Removal and Automated Analysis S18-123Next Generation Explosive Detection with Differential Phase Contrast (DPC) Imaging – Artifact Removal and Automated Analysis
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Controlled X-Ray for Security Inspection S13-068Controlled X-Ray for Security Inspection
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Fates - Compact, Sensitive X-ray Differential Phase Contrast Imaging System S16-173Fates - Compact, Sensitive X-ray Differential Phase Contrast Imaging System