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Single optical fiber based forward-viewing all-optical ultrasound self-transceiving probe
Optics Letters
|February 15, 2023
Summary
This study introduces a novel all-optical ultrasound probe integrating generation and detection onto a single fiber. This compact, self-transceiving probe offers advanced capabilities for ultrasound imaging.
Area of Science:
- Optics and Photonics
- Biomedical Engineering
- Acoustics
Background:
- Traditional electroacoustic ultrasound probes face limitations.
- Current all-optical probes often require separate fibers for generation and detection.
- A need exists for integrated, compact ultrasound transceiver solutions.
Purpose of the Study:
- To develop a novel, compact, all-optical ultrasound probe with integrated generation and detection.
- To demonstrate a self-transceiving ultrasound probe using a single optical fiber.
- To evaluate the performance of the integrated probe in transmitting and receiving ultrasound signals.
Main Methods:
- Integration of photoacoustic ultrasound generation and Fabry-Pérot interference-based ultrasound detection.
- Utilizing a single double-clad optical fiber (DCF) for a compact, forward-viewing probe.
- Experimental validation of transmitting and receiving capabilities.
Main Results:
- The fabricated probe achieved an ultrasound signal amplitude of 2.36 MPa at 2.25 mm.
- Peak frequency and -6-dB bandwidth were measured at 10.64 MHz and 22.93 MHz, respectively.
- Detection sensitivity reached 208.4 mV/MPa with a noise equivalent pressure (NEP) of 76.8 kPa.
Conclusions:
- A compact, single-fiber, all-optical ultrasound self-transceiving probe has been successfully developed.
- The probe demonstrates effective integrated ultrasound generation and detection capabilities.
- This innovation paves the way for advanced, miniaturized ultrasound systems.
