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Lambda Research Optics, Inc. - DFO

Menlo Launches Optical Clock into Space

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Menlo Systems GmbH has launched a next-generation optical clock into space for a 10-min journey. The payload consisted of two separate units, a fully automated dual comb system (FOKUS II), and an iodine-stabilized laser (JOKARUS). Iodine-based optical clocks can achieve better precision than rubidium gas cells used previously. Rubidium clocks are used for GNSS (global navigation satellite systems) such as GPS and GALILEO. With further improvement underway, Menlo aims to outperform the space-grade hydrogen maser (H-maser) developed for GALILEO. On its journey carried by a sounding...Read full article

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    Published: June 2018
    Glossary
    optical clock
    An optical clock is a highly precise and advanced timekeeping device that relies on the oscillations of electromagnetic radiation in the optical or ultraviolet part of the electromagnetic spectrum. Unlike traditional atomic clocks, which use microwave frequencies, optical clocks operate at much higher frequencies, typically involving transitions in atoms or ions at optical wavelengths. Optical clocks have the potential to provide unprecedented accuracy and stability in timekeeping. Key points...
    BusinessMenlo Systemsoptical clockspaceOpticsEuropelight speed

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