A clock whose output is obtained from an optical frequency standard is known as an optical clock. Such a reference is based on atoms or ions that are held in an optical trap and exposed to laser cooling to prevent Doppler broadening, as described in the article on optical frequency standards.
A frequency-stabilized laser whose emission frequency is perfectly synchronized to the atomic transition is used to measure the frequency of the transition.
The ultrastable optical frequency is just too high to count oscillation cycles electronically. A type of optical clockwork, which is currently often based on a frequency comb, can, however, precisely link it to lower requencies. The relationship between optical and microwave frequencies that was found is very precise.
The Global optical atomic clock market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A project to develop optical atomic clocks has been announced by the US Defense Advanced Research Projects Agency (DARPA) to enhance time synchronization.
The Robust Optical Clock Network (ROCkN) strategy intends to provide clocks with low size, weight, and power that can provide more accurate timing and holdover than atomic clocks based on the Global Positioning System (GPS).
Many of the essential technologies, parts, and demonstrations needed to develop a hypothetical networked clock architecture could be produced through this effort.
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