Some characteristics of a maser at 1420 MHz

The Maser—New Type of Microwave Amplifier, Frequency Standard, and Spectrometer

J. P. Gordon, H. J. Zeiger, C. H. Townes · Physical Review · 1955 · 662 citations · Full text

Engineering, Electrical Engineering, Instrumentation +16

Cross-Relaxation in Spin Systems

N. Bloembergen, S. M. Shapiro, P. S. Pershan et al. · Physical Review · 1959 · 522 citations

Natural Sciences, Physics, Nuclear Physics +15

Fluctuations in Amplification of Quanta with Application to Maser Amplifiers

Kōichi Shimoda, Hidetosi Takahasi, C. H. Townes · Journal of the Physical Society of Japan · 1957 · 316 citations

Natural Sciences, Physics, Molecular Physics +11

Proposal for a New Type Solid State Maser

N. Bloembergen · Physical Review · 1956 · 291 citations · Full text

Natural Sciences, Chemistry, Physics +13

Paramagnetic Resonance in some Complex Cyanides of the Iron Group I: Experimental Results

John M. Baker, B. Bleaney, K D Bowers · Proceedings of the Physical Society Section B · 1956 · 132 citations

Natural Sciences, Chemistry, Physics +17