Concepedia

L. Essen

LE

33

Publications

1.7K

Citations

18

H-Index

1934

Active since

Affiliations

National Physical Laboratory(Current)

L. Essen is an author at National Physical Laboratory specializing in engineering, measurement, and physics.

Top concepts

Publications per year

1934–1973

33

Publications

33

Frequency of the Hydrogen Maser

L. Essen, R Donaldson, M. Bangham et al. · Nature · 1971 · 310 citations

, , +8

An Atomic Standard of Frequency and Time Interval: A Cæsium Resonator

L. Essen, J. V. L. PARRY · Nature · 1955 · 283 citations

, , +7

Frequency of Cesium in Terms of Ephemeris Time

Wm. Markowitz, R. G. Hall, L. Essen et al. · Physical Review Letters · 1958 · 189 citations

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The Refractive Indices and Dielectric Constants of Air and its Principal Constituents at 24,000 Mc/s

L. Essen, K. D. Froome · Proceedings of the Physical Society Section B · 1951 · 148 citations

, , +19

The caesium resonator as a standard of frequency and time

L. Essen, J. V. L. PARRY · Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences · 1957 · 96 citations

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