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Ultrasonic biometrics – acoustic holography
Ultrasonic systems – industrial case studies
Ultrasonic technology – research and deployments

A Wave of Innovation Across OPTEL’s Deep-Tech Applications. Ultrasound Without Borders

From biometrics to Industry 4.0 — implementations and innovations by PBP OPTEL

Ultrasound Without Borders: From Biometrics to Industry 4.0

The evolution of ultrasonic technology at the turn of the 20th and 21st centuries has been characterized by a transition from classical pulse-echo measurements toward sophisticated systems capable of acoustic holographic imaging and real-time monitoring of industrial processes. Ultrasonic sensing has therefore moved far beyond traditional flaw detection and now plays a role in advanced measurement, imaging, identification and process control technologies.

At the center of this technological transformation stands Przedsiębiorstwo Badawczo-Produkcyjne (PBP) OPTEL Sp. z o.o., a research and engineering company founded in 1989 in Wrocław, Poland. Over more than three decades, the company has developed a unique niche in high-resolution non-destructive testing (NDT), advanced ultrasonic instrumentation, and pioneering biometric systems based on acoustic holography.

OPTEL’s technology strategy is built on a deep synergy of several engineering disciplines, combining:

  • ultrasonic measurement physics and acoustic field reconstruction,
  • precision mechanical engineering and sensor mechanics,
  • welding science and materials engineering,
  • advanced electronic instrumentation and signal acquisition,
  • digital signal processing and acoustic imaging algorithms.

The following case studies illustrate how OPTEL technologies are applied across domains — from biometric security to inline industrial inspection in modern Industry 4.0 production environments.

Technology Pillars of OPTEL

Four core areas that define the scope of our ultrasonic engineering and deployments.

Acoustic Holography

High-resolution reconstruction of acoustic fields for imaging, pattern recognition and metrology.

Security & Biometrics

Ultrasonic fingerprint imaging with sub-surface capture and inherent anti-spoofing (liveness).

Industrial NDT

Automated inspection systems for welds, thin-walled parts and demanding production constraints.

Process Control & Industry 4.0

Inline monitoring and traceability: real-time measurement supporting digital manufacturing workflows.

Security & Biometrics

Acoustic holography, ultrasonic fingerprint imaging, sub-surface capture and anti-spoofing (liveness).

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Industrial NDT

Automated immersion systems, weld inspection, guided waves and inline QA for demanding industrial lines.

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Medical & Research

Research prototypes, imaging concepts and measurement systems for medicine and scientific labs.

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Featured Case Studies

A selection of deployments that best illustrate the breadth of OPTEL ultrasonic technologies.

Ultrasonic Holographic Camera – biometrics
Case Study 1 Biometrics

Ultrasonic Holographic Camera

Acoustic hologram fingerprint imaging with ~1000 dpi and inherent liveness detection.

MIAB weld inspection – opStrut
Case Study 2 Automotive

MIAB Weld Inspection – opStrut

Automated immersion inspection for thin-walled, high-speed production components.

Inline plastic pipe monitoring
Case Study 4 Industry 4.0

Inline Plastic Pipe Monitoring

Real-time wall thickness, ovality and eccentricity measurement on extrusion lines.

Gas mixture composition – opTime
Case Study 6 Process Control

Gas Mixture Composition – opTime

Time-of-flight measurement for high-repeatability gas mixture analysis.

Ultrasonic mammography prototype
Case Study 7 Medical

Ultrasonic Mammography Prototype

Holographic ultrasound imaging concept for early detection without ionizing radiation.

Lung monitoring research
Case Study 8 Research

Post-COVID Lung Monitoring

Adaptation of holographic ultrasound concepts for structural tissue visualization.

Delamination detection in wood panels
Case Study 9 Inline QA

Delamination Detection in Wood Panels

Online ultrasonic monitoring to detect unbonded areas and internal defects.

Spot weld inspection
Case Study 22 Automotive

Automotive Spot Weld Inspection

Multichannel machines enabling 100% inspection on production lines.

Full Case Study Index (1–30)

Use this index to navigate the complete portfolio. You can later link each item to its dedicated page.

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