The expectation is that optical clocks will prove useful for real calibrations even with their modest availability, as they could provide good support while running less often than cesium clocks
Its "time" is derived by averaging the readings received from some 200 cesium clocks
around the world--a calculation that takes time to do.
JILA's strontium clock has already surpassed the accuracy of NIST's cesium clock
, currently used for the U.
The solution is also built with the compact and precise OSA 323OB cesium clock
as well as the SyncView Plus management system, which gives Globe Telecom complete oversight and remote control of every synchronization element.
This location has been active in design and development of high performance frequency and time products since 1974, including cesium clocks
for GPS satellites.
This next generation laser also has applications in the much larger market for commercial cesium clocks
, including those deployed in GPS systems.
The company is the largest volume manufacturer of cesium atomic clocks in the world and has supplied the majority of cesium clocks
used within the USA's Global Positioning Satellite (GPS) system.
These satellites are equipped with onboard cesium clocks
and orbit the earth in six orbital planes at an altitude of 20,200 kilometers.
Of the roughly 220 atomic clocks used by international time laboratories to determine world time, 168 are cesium clocks
made by Agilent.