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An optical trigger source for hydrophone-based ultrasound measurement systems: a feasibility study
1Department of Medical Physics & Bioengineering, Southampton University Hospitals NHS Trust, Hampshire, UK. gwp@soton.ac.uk
Ultrasound in Medicine & Biology
|January 1, 1997
Summary
This study explores an optical method to trigger ultrasound measurements, improving safety and efficiency. This technique offers a faster, simpler alternative for synchronizing data acquisition with acoustic pulses.
Area of Science:
- Medical physics
- Acoustics
- Optical sensing
Background:
- Ultrasound devices are common in medicine, necessitating safety assessments.
- Current methods for quantifying ultrasound acoustic output involve multi-element hydrophones.
- Synchronizing data acquisition with pulsed ultrasound is challenging and time-consuming.
Purpose of the Study:
- To investigate the feasibility of an optical approach for triggering ultrasound measurements.
- To develop a more efficient and less difficult method for synchronizing data acquisition.
- To enhance the safety and accuracy of ultrasound device characterization.
Main Methods:
- Utilizing an optical method to detect acoustic pulses.
- Generating a trigger signal based on refractive index changes caused by ultrasound propagation.
- Evaluating the performance of the optical triggering system.
Main Results:
- The optical approach successfully generated a trigger signal.
- Demonstrated the potential for a faster and simpler synchronization process.
- Indicated feasibility for routine use in ultrasound beam calibration.
Conclusions:
- An optical method is a feasible alternative for triggering ultrasound measurements.
- This technique can overcome the limitations of current synchronization methods.
- The proposed system offers improved efficiency and ease of use for ultrasound safety assessments.