Test & Measurement

Non-destructive onsite analysis of organic substances

3rd April 2024
Paige West

Compact and ultra-compact near-infrared (NIR) spectroscopy systems are essential for analysing organic substances across varied industries such as food, textiles, and pharmaceuticals.

Offering onsite, non-destructive analysis, these systems ensure quality control and efficiency. The Fraunhofer Institute for Photonic Microsystems IPMS has introduced the Scanning Mirror Micro Spectrometer (SMMS) platform, a compact and cost-effective solution compared to traditional benchtop devices. This platform permits the customisation of spectrometers to meet specific needs.

Focused on onsite use, the new SMMS platform by Fraunhofer IPMS utilises a single-axis MEMS (Micro Electro-Mechanical System) scanning mirror. Its non-resonant scanning technique allows for unique measurement scenarios, including the ability to narrow the spectral range, thus reducing the measurement duration.

The microscanner technology of IPMS enables various spectrometer configurations, allowing for adjustments in spectral range and resolution. Standard configurations cover a spectral range from 1,000 to 1,900nm, with options to extend up to 2,200 and 2,500nm through the selection of different diffraction gratings and detectors. The spectral resolution is ≤ 10nm (FWHM) across the entire range, with customisation possible through the choice of entrance and/or exit slits. Evaluation kits tailored to individual customer needs are available upon request.

Technological advancements contribute to the system's compact size and scalability for mass production. Competitive manufacturing costs result from the utilisation of fundamental components, simplified electronics, efficient assembly, interconnection technology, and system integration.

The system's application extends to various industries, enabling near-infrared spectral analysis up to wavelengths of 1,900, 2,200, or 2,500nm. It finds use in food, textile, pharmaceutical sectors, and beyond, including medical and life sciences, materials processing, and quality control in plastics, petrochemicals, recycling, and other fields that benefit from reliable, non-destructive on-site analysis.

This innovative spectrometer platform will be showcased at the ‘analytica’ trade fair in Munich from 912 April. Attendees at the Fraunhofer IPMS booth A3.407 can experience its capabilities first-hand and discuss specific needs. Expert consultation appointments can be scheduled in advance through the Fraunhofer IPMS website.

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