4th World Interferometry Day

World Interferometry Day will be celebrated for the fourth time on April 10, 2024. Universities, schools, research institutions and companies around the world will commemorate the groundbreaking development of the interferometer and bring Michelson's great invention to a wider audience.

At TU Ilmenau, World Interferometry Day will be celebrated on April 10, 2024 with a variety of activities in front of and inside the Ernst-Abbe-Zentrum on the university campus. In addition to experiments on the topic of interferometry and a tour of the nanomeasuring machine, there will be a small exhibition entitled "Interferometry in Art"from 6 pm. The event will conclude with a laser show.

On April 15, 2024, there will also be an international scientific symposium in the Faraday lecture hall at TU Ilmenau with contributions from renowned scientists as well as a poster session and guided tours of the Ilmenau laboratories. The presentations will cover a wide range of interferometric measurement technology.

Participation in the events is free of charge.

Further information and registration for participation can be found on the website www.world-interferometry-day.com.

Background:

The invention of the interferometer by Albert Abraham Michelson over 140 years ago has become synonymous with high-precision measurement technology based on light. Light waves with the unimaginably small wavelength of a few hundred nanometers overlap, i.e. they interfere. This interference enables the smallest movements to be detected and measured with the greatest accuracy. Innovative laser interferometers are used to measure distances, angles, vibrations and forces. Precision positioning tables, which are used in lithography systems for chip production, for example, are controlled with the aid of interferometers. Automation systems for precision manufacturing in industry must be regularly calibrated and checked using laser interferometers.

The Institute for Process Measurement and Sensor Technology at TU Ilmenau has been a world leader in the field of modern nanopositioning and nanomeasurement technology for many years. Together with the Managing Director of Ilmenau-based SIOS Meßtechnik GmbH, Dr. Denis Dontsov, Institute Director Professor Eberhard Manske launched the World Interferometry Day and organized it for the first time in 2021.