Precise wavefront analysis with the Fizeau interferometer
The Fizeau interferometer from 4D Technology guarantees precise surface measurements from the UV to the IR range. You therefore benefit from a measurement method that can be used almost universally and delivers excellent results even at special wavelengths of up to 10.6 µm. In addition, the Dynamic Interferometers enable precise measurements in environments subject to vibration without the need for complex vibration dampers.
Functional principle and variants of the Fizeau interferometer
The interferometer works according to the phase-shifting principle, in which a reference surface is shifted in fractions of the laser wavelength. This produces interference patterns that the hardware and software convert into millimetres, radii and wavefront deviations. The following variants allow you to optimally adapt the Fizeau interferometer to your requirements:
- Standard interferometers in various sizes for wavelengths from UV to IR
- Special versions for lasers up to 10.6 µm
- Dynamic interferometer for use under vibrating conditions
Software-supported evaluation with 4Sight
The proven 4Sight software is also used, which supports single and multiple measurements. This allows you to carry out 2D and 3D analyses, determine distribution functions and evaluate Zernike polynomials. The intuitive user interface speeds up your workflow and ensures reproducible results.
Areas of application and advantages
This is why the Fizeau interferometer is widely used in semiconductor production, optics manufacturing and research. They measure lenses, mirrors and optical components with maximum accuracy and save time thanks to the fast phase shift. The measuring method also impresses with its low adaptation effort and simple integration into production lines.
Contact and individual offer
And if you would like a customized Fizeau interferometer, we will be happy to provide you with an individual offer including a detailed measurement report. Visit our product page or contact us for a free consultation.
