Louis Essen and Jack Parry at the UK’s National Physical Laboratory built the first cesium-beam atomic clock. ・This clock was accurate enough to redefine the second. ・The International ...

New Oscilloquartz models bring advanced optical pumping technology to telecom, defense, data center and metrology networks Adtran’s unique cesium clock solutions deliver longer service life and ...

Atomic clock scientist Jun Ye of JILA hopes such ... Both the NBS and the National Physical Laboratory (NPL) in the U.K. developed cesium beam clocks in the 1950s. A key breakthrough came from ...

How can the strange properties of quantum particles be exploited to perform extremely accurate measurements? This question is ...

A new atomic clock ... Known as NIST-F4, the clock is at the Boulder, Colorado, campus of the National Institute of Standards and Technology (NIST). The clock relies on cesium atoms, which ...

The next generation of atomic clocks ... comparisons with other clock systems, two other optical clocks and one microwave clock from PTB were included: an ytterbium single ion clock, a strontium ...

Adtran’s OSA 3200 SP and OSA 3250 ePRC will bring lower-cost optical pumping cesium technology to new markets and applications. "We developed the OSA 3200 SP and OSA 3250 ePRC to make our ...

New Oscilloquartz models bring advanced optical pumping technology to telecom, defense, data center and metrology networks Adtran's unique cesium clock solutions deliver longer service life and ...

Adtran today launched the latest additions to its Oscilloquartz optical cesium portfolio, expanding access to precision timing across a wider range of network environments. The new OSA 3200 SP and ...