[Technical Data Presentation] Measurement results in the atmosphere at zero optical path length difference for multi-type optical systems.
This document is a technical report explaining the measurement results in the atmosphere at zero optical path length difference for a multi-type optical system. The optical system is set to essentially zero the difference in the REF side optical path length, and long-duration measurements in real mode were conducted. Compared to settings with a 40mm optical path length difference, the displacement variation was significantly smaller, with fluctuations of ±1nm observed over a period of 4000 seconds. [Contents] ■ Theory and practice of zero optical path length ■ Examples of displacement variation ■ Discussion and reflections *For more details, please refer to the PDF document or feel free to contact us.
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We have established 'High-precision measurement of physical quantities using light' as our management policy. Optical measurement technology has become an indispensable element of modern cutting-edge technology. We are confident that the demand for high-precision measurement will grow stronger with the advancement of science. By combining high-precision measurement with the excellent properties of light—non-invasive, non-intrusive, non-contact, and high-precision—we can expect further technological innovation. It may not be suitable for measuring mass-produced items, nor for online measurements. However, we are committed to making it useful for cutting-edge industries that require high-precision measurement of physical quantities.