Question 1

How do you measure AR coatings accurately on heavily textured solar glass?

Accepted Answer

Textured solar glass scatters light, causing so-called substitution errors in standard spectrometers. Eule27 has developed industry-leading algorithms utilizing a dual-detector integrating sphere setup. This software solution mathematically eliminates scattering errors in real-time, allowing us to accurately determine the exact coating thickness and refractive index of the AR coating.

Question 2

Does Eule27 support hardware integration for in-situ optical monitoring — both Broadband (BBM) and Single-Wavelength (SWM)?

Accepted Answer

Yes. EulenControl can interface with any measurement hardware that provides an open API — for example Avantes spectrometers. Connecting spectrometers directly is particularly well suited, since finished measurement devices often come with limited interfaces. From single-wavelength monitoring with one detector to broadband multi-spectrometer configurations: channel count, wavelength ranges, and data-acquisition routines are individually tailored to your process requirements. The optical models are precisely configured and optimized; EulenControl then automatically uses them for real-time reverse engineering — for ex-situ measurements after coating, and for in-situ setups also directly during the process.

Question 3

Which industries and applications is Eule27 software suited for?

Accepted Answer

The software is suited for any field where optical thin films are produced or controlled — for example solar glass (AR coating), architectural glass, display technology, or precision optics. EulenControl can be adapted to various deposition methods, including sputtering and evaporation (e-beam, thermal). Because the software can connect directly to the machine controls, both single-system operators and high-volume manufacturers benefit.

Question 4

How does EulenControl differ from a conventional thickness monitor or process monitoring software?

Accepted Answer

Conventional simulation cores (e.g., transfer-matrix calculations) can determine the actual coating thickness — but interpretation with concrete actionable guidance for the operator is missing. EulenControl closes exactly this gap: as a turnkey solution, it unifies real-time reverse engineering, transfer-matrix simulation (TMM), and spectrometer integration in a single software platform, connected directly to the measurement instrument. Optionally, the machine controls can also be linked for a true closed-loop system. In many setups, EulenControl deliberately operates alongside the coater controls, delivering interpreted results and actionable guidance directly to the operator's screen. The core modules — data acquisition, calibration, integrating-sphere correction, and spectral fitting — are field-proven and ready to deploy. Every installation is individually configured for the measurement hardware and process requirements, whether single-wavelength or broadband monitoring, whether automated measurement series or on-demand single measurements. One measurement instrument can serve multiple coating systems — for example, all coaters in a lab can be managed and optimized from a single workstation with connected measurement hardware.

Question 5

How easy is EulenControl for the machine operator — and who controls the settings?

Accepted Answer

EulenControl uses a multi-level user concept that consistently separates simplicity from control. The interface is intuitive: the operator view is optimized so that operators quickly find the information they need — measured coating thickness, target thickness, and direct actionable guidance on adjusting speed, gas flows, power, or rotations. The operator cannot accidentally alter any configuration or cause damage. The expert and administrator, on the other hand, have full access to all settings they need: spectrometer parameters, calibration intervals, reference spectra, and measurement behavior. Important: The optical coating designs are predefined and configured by Eule27 for each installation — the customer cannot freely modify them in EulenControl. Free configuration of custom designs will be available with the upcoming EulenModel.

Question 6

What does EulenControl cost — and why is it more affordable than custom development?

Accepted Answer

EulenControl is built on field-proven, reusable core modules — data acquisition, calibration, spectral fitting, and reverse engineering are already developed, tested, and in production use. For each new installation, only the individual configuration for your measurement hardware and process is needed, not a complete software rewrite. This saves not only cost but also time: the standard modules are ready to deploy immediately, and integration effort is limited to your specific configuration. Specific pricing depends on the scope of integration — contact us for a tailored quote.

Question 7

When is EulenDesign available and what does it offer?

Accepted Answer

EulenDesign is currently in development and will be released soon. It is our new coating design software that will integrate seamlessly into the Eule27 ecosystem (EulenControl and EulenModel), providing optics designers with maximum precision and easy data handovers. Follow us on LinkedIn for updates.

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Frequently Asked Questions (FAQ)

How do you measure AR coatings accurately on heavily textured solar glass?

Does Eule27 support hardware integration for in-situ optical monitoring — both Broadband (BBM) and Single-Wavelength (SWM)?

Which industries and applications is Eule27 software suited for?

How does EulenControl differ from a conventional thickness monitor or process monitoring software?

How easy is EulenControl for the machine operator — and who controls the settings?

What does EulenControl cost — and why is it more affordable than custom development?

When is EulenDesign available and what does it offer?

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