In the realm of surface measurement, coherence scanning interferometers (CSIs) stand out for their precision in capturing three-dimensional topographies at the nanometer scale. Traditionally, these tools operate in a “fringe mode” to measure surfaces utilizing interference patterns to deduce surface irregularities and textures. However, while fringe mode is invaluable for measurement accuracy, it can sometimes clutter the visual field, making it challenging to identify specific features of interest on the surface while setting up the part prior to a measurement.
Enter the game-changing “fringe-free” mode. This innovative feature is designed to enhance the user experience by eliminating the interference fringes from the live view. What does this mean for users? Essentially, it offers a clearer view of the surface being examined. This mode dramatically improves contrast thereby illuminating the features of interest with unparalleled clarity.
The fringe-free mode is particularly beneficial when users navigate complex surfaces and need to quickly identify points of interest without the visual confusion often caused by the dense patterns of fringes. This mode simplifies the process, making it easier to locate and analyze specific areas or anomalies on the surface.
Switching between modes is seamless. When users are ready to measure, a simple press of the Measure button reactivates the fringe mode, allowing the optical profiler to perform its measurements with its usual high level of accuracy and detail. This dual-mode functionality ensures that users can enjoy the best of both worlds: the high contrast, feature-highlighting capabilities of the fringe-free mode, and the precision measurement capabilities of the traditional fringe mode.
Surface with Full Fringe Same surface with Fringe-Free Mode
In summary, the fringe-free mode is a significant advancement in the field of optical profiling. It enhances the usability of CSI, making optical profilers more versatile and user-friendly. Whether for research, quality control, or manufacturing applications, this feature marks a leap forward in our ability to explore and understand the microscopic world.
See fringe-free mode in action :
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