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Möller-Wedel Optical, a specialist in high-precision optical measurement systems, offers a portfolio of interferometers designed for the production and quality control of optical components and systems. The company’s interferometer solutions support applications ranging from flatness and sphericity testing to radius measurement and optical system performance evaluation.

At the core of the portfolio is the VI-direct interferometer series, which operates according to the principle of a Fizeau interferometer. The sixth-generation platform is available with test diameters of 10 mm, 16 mm, 28 mm, 50 mm, and 100 mm, with test diameters of up to 150 mm achievable through the use of an expanding lens. Designed as a cost-effective alternative to conventional interferometers, the VI-direct series can be adapted to customer-specific measurement arrangements and supports vertical, horizontal, and angled operating positions.

The interferometers are intended for precision inspection of optical components during manufacturing and quality assurance processes. By enabling accurate assessment of surface form and optical characteristics, the systems help manufacturers verify component quality before integration into optical assemblies.

For testing optics with diameters ranging from 3 mm to 28 mm, Möller-Wedel Optical offers VI-direct models with clear apertures of 10 mm, 16 mm, and 28 mm. These systems include a 632.8 nm He-Ne laser source, high-resolution digital imaging with 3088 x 2076 pixel resolution, and direct USB 3 connectivity for integration with modern computer systems. The compact design makes them suitable for incorporation into customized workstations and application-specific measurement environments.

The company also provides a 50 mm aperture VI-direct interferometer, designed for testing optics with diameters between 12 mm and 50 mm. Like other members of the series, the instrument incorporates a fiber-coupled He-Ne laser source, high-resolution digital camera technology, and compatibility with software-assisted evaluation tools. Its compact architecture and flexible mounting orientations enable deployment across a variety of optical inspection tasks.

For spherical surface testing, Möller-Wedel Optical offers the VI-direct 28 SUL measuring station. The system is designed for rapid assessment of form deviations and radius deviations on spherical components. Features include a display unit for radius measurement, sample support with XY translation, aperture stops, and a finder mode for quick pre-alignment. The system can also be paired with the company’s INTOMATIK-S software for interferogram evaluation.

Complementing the hardware portfolio are the INTOMATIK-S and INTOMATIK-N software packages. INTOMATIK-S uses a static fringe evaluation method to calculate surface shape deviations and is largely resistant to disturbances caused by air turbulence and vibrations. INTOMATIK-N utilizes a phase-shifting algorithm that provides higher measurement accuracy, a larger measuring range for surface-form deviations, and automatic determination of deviation direction. With configurable apertures, high-resolution digital imaging, software-assisted analysis, and adaptable system architectures, Möller-Wedel Optical’s interferometer portfolio provides manufacturers and researchers with precision tools for the inspection and characterization of optical components and systems.

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