Optical fiber sensor system for ultrasonic sensing and imaging

Optical fiber sensors with acoustically responsive structures address the limitations of AEG transducers by providing high-sensitivity ultrasound imaging and tracking, overcoming size and interference issues for improved medical and industrial applications.

JP7875902B2Active Publication Date: 2026-06-18DEEPSIGHT TECHNOLOGY INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
DEEPSIGHT TECHNOLOGY INC
Filing Date
2024-05-16
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing acoustic energy generating (AEG) transducers used in medical and industrial applications face limitations due to size constraints, low signal output, and electromagnetic interference, making them unsuitable for small form factor applications and providing inadequate image quality and accuracy in ultrasound imaging.

⚗Method used

The use of optical fiber sensors with acoustically responsive structures, such as Fabry-Perot resonators and optical interferometers, that detect acoustic signals and convert them into optical signals, offering high sensitivity, wide bandwidth, and wide receiving angles without electrical components, enhancing ultrasound imaging and tracking.

🎯Benefits of technology

The optical fiber sensors provide accurate, high-sensitivity ultrasound imaging and tracking with improved signal-to-noise ratio, wide bandwidth, and resistance to electromagnetic interference, suitable for small form factor applications and complex medical procedures.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide new and improved compact technology with high sensitivity to visualize and track objects and provide anatomical imaging, in medical applications.SOLUTION: Optical fiber based acoustic sensors include acoustically responsive optical structures configured to detect and receive acoustic signals, including ultrasound signals, and provide associated optical signals to a system for processing and interpretation so as to implement tracking, location and imaging capabilities. The optical fiber based sensors are disposed at ends of or along the length of optical fibers. The optical fiber based sensors are included in various devices, including, for example, medical devices.SELECTED DRAWING: Figure 1
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