SprayQuantAI – Flexible and High-Resolution Spray Measurement Technology

SprayQuantAI, or SQA for short, is a flexible measurement system for demanding applications in spray diagnostics, fluid mechanics, and aerodynamics. Users can adapt the system to different measurement tasks and customer-specific applications.

SQA combines high-resolution optical detection of individual droplets with modern data analysis. In addition to classical statistical methods, users can apply AI-based algorithms to characterize complex sprays and determine relevant process parameters.

An SQA system consists of three main components:

• an optical measurement probe,
• an electro-optical unit,
• measurement and evaluation software.

Users can configure and extend these components according to the application. Therefore, SprayQuantAI is suitable for both scientific research and industrial development or monitoring tasks.

SprayQuantAI uses TSTOF measurement technology, which stands for Time-Shift-Time-of-Flight. Researchers developed, investigated, and validated the underlying optical method through several research projects at the Technical University of Darmstadt.

Photonics 2026 – TSTOF Measurement Technique for Spray Characterization of Complex Fluids such as Paint, Milk, Coffee, Slurry, and More

When a droplet passes through the optical measurement volume, it generates a time-resolved light-scattering signal. Optical detectors record this signal, and the software then analyzes it.

Depending on the system configuration and measurement task, SQA can determine parameters such as:

• droplet size,
• droplet velocity,
• droplet rate,
• size and velocity distributions,
• temporal changes in the spray,
• statistical properties of the spraying process.

In addition, the recorded light-scattering signals can serve as input for advanced statistical or AI-based analyses.

ai-quanton develops and manufactures the optical measurement probes in-house. We can adapt the design, measurement geometry, and optical configuration to the customer application.

We have already developed different probe solutions with various:

• working distances,
• measurement volumes,
• optical access configurations,
• probe geometries,
• laser powers,
• detector configurations,
• mechanical interfaces.

As a result, SQA can measure both freely accessible sprays and applications with limited installation space or special process conditions.

The electro-optical unit connects the measurement probe to the data acquisition system and the evaluation software. It contains the optical, electronic, and signal-processing components required to operate the measurement system.

Depending on the configuration, the module can also support autonomous operation. Furthermore, users can integrate it into existing test rigs, machines, or process control systems.

SprayQuantAI can provide measurement results through different interfaces. The available outputs depend on the system configuration.

These may include:

• analog output signals,
• digital measurement values,
• network communication,
• statistical spray parameters,
• time-resolved measurement data,
• stored light-scattering signals,
• exportable result files.

Therefore, users can apply the data for direct monitoring, advanced analysis, process comparison, or customer-specific evaluation.

A key difference is the time-resolved, high-resolution detection of light-scattering signals from individual droplets.

Many measurement systems focus mainly on averaged total intensities or two-dimensional spray images. In contrast, SprayQuantAI records information from individual droplet events.

This approach supports classical counting and statistical methods. At the same time, it provides detailed input data for modern AI-based evaluation methods.

As a result, SprayQuantAI offers a flexible way to analyze complex spraying processes in research, development, quality assurance, and process monitoring.

Yes. Flexible adaptation to customer-specific measurement tasks is one of the key features of the system.

For example, we can adapt:

• the measurement probe geometry,
• the optical working distance,
• the number and arrangement of detectors,
• the mechanical integration,
• the data interfaces,
• the measurement and evaluation software,
• the integration into existing systems.

Before configuring the system, we evaluate the measurement task, spray properties, environmental conditions, and required output parameters together with the customer.

Several patent applications and intellectual property rights protect the measurement and evaluation methods used in SprayQuantAI.

In addition, the technical implementation requires expertise in optics, light scattering, high-speed electronics, signal processing, fluid mechanics, and artificial intelligence.

Yes. Numerous scientific publications, technical reports, conference contributions, and patent applications describe the underlying measurement methods and their applications.

These works cover topics such as:

• optical characterization of individual droplets,
• determination of droplet size and velocity,
• analysis of complex and high-concentration sprays,
• evaluation of time-resolved light-scattering signals,
• AI-based spray characterization,
• industrial applications of TSTOF measurement technology.

You can find a selection of relevant publications and technical documents in the Publications and References section.

You can download technical information, product descriptions, and available datasheets from the download section of this website.

Because many SprayQuantAI systems use a customer-specific configuration, the technical specifications may vary depending on the measurement task and system setup.

ai-quanton develops and manufactures SprayQuantAI solutions. Our partner AOM-Systems handles sales and commercial consulting.

For a technical evaluation, you can send us a description of your application, spray, and required measurement parameters.

The price depends on the selected measurement probe, electro-optical configuration, required interfaces, software configuration, and level of customization.

For an individual quotation, please contact our sales partner AOM-Systems.

.

---

Trademark notice: SprayQuantAI is a registered trademark.