Object Imaging Method and System

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent describes a method and system for imaging objects, specifically their surfaces and near-surface regions. The technique works by locally stimulating a targeted area of the object's surface with encoded (modulated) radiation, such as a laser, and then detecting emitted radiation (that can be of a different frequency) from the object using a cooperating detection unit. By correlating the stimulation location with the detected emissions, very high-resolution images of the object's surface and sub-surface features can be produced without requiring conventional imaging optics. The system is suitable for detecting not only surface characteristics but also differences in materials under coatings, sub-surface defects, or embedded structures.

Use CasesContent extracted from patent full text and abstract with AI.

• Non-destructive testing and quality control in manufacturing (e.g., detecting delamination or hidden defects under paint or coatings)
• Inspection of composite materials for voids, cracks, or embedded objects
• Material identification and analysis (via Raman or fluorescence effects)
• Biomedical imaging for tissue characterization or diagnostics at or below the surface
• Security screening (detecting contraband, explosives, or concealed objects under clothing)
• Remote sensing and material mapping in hazardous or inaccessible environments
• Process monitoring during laser material processing (welding, cutting, semiconductor fabrication)

BenefitsContent extracted from patent full text and abstract with AI.

• Achieves high spatial resolution imaging without expensive or bulky optics
• Can differentiate between different materials and sub-surface features below coatings or covers
• Reduces interference from background radiation, improving signal clarity through synchronous detection and modulation
• Flexible choice of stimulation and detection frequencies enables adaptation to different materials and application requirements
• Non-contact and non-destructive, suitable for sensitive surfaces or delicate components
• Enables imaging and analysis of objects through opaque protective layers
• Faster image acquisition possible by simultaneously using multiple modulated stimulation beams

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a method and a system for imaging objects. A surface area of the object is locally stimulated using encoded stimulating radiation, and the object radiation emanating from a detection range of the object is detected in a cooperating manner. The object radiation comprises the radiation generated by the stimulation. The surface area is represented on the basis of the detected object radiation. Preferably, the object radiation is detected at a frequency that differs from the frequency of the stimulating radiation. The locally stimulated surface area is also preferably smaller than or has the same size as the detection range.