Late 20th century
- 1951 - E M Purcell and R V Pound first observed net
- 1951-2 - C H Townes, Nikolai G Basov and Alexandr M Prokhorov first suggested the principle of
- 1953 - Zernike awarded the Nobel Prize for phase-contrast microscope
- 1954 - Alan Walsh invented the atomic absorption spectometer (AAS)
- 1960 - T H Maiman demonstrated the first simple laser.
- 1965 - S J I L Greenfield invented 'high-power' ICP
- 1966 - Alfred Kastler awarded Nobel Prize for optical methods for studying
atomic energy levels.
- 1967 - W Grimm invented his glow discharge source.
- 1968 - Grimm presented the first quantitative analysis with his new
- 1969 - V A Fassel and P W J M Boumans
developed 'low-power' ICP.
- 1970 - J E Greene and J M Whelan reported the first
depth profile with the Grimm glow discharge source.
- 1972 - C J Belle and J D Johnson reported the first
quantitative depth profile with the Grimm source.
- 1972 - Boumans determined the main characteristics of the Grimm glow
- 1973 - Charlotte E Moore published extensive tables of atomic energy levels.
- 1975 - Roger Berneron demonstrated the wide capabilities of GD-OES for
qualitative depth profiling.
- 1978 - Ritzl produced the first commercial GD-OES instrument using the
- 1985 - J Pons-Corbeau introduced the first algorithm for quantitative depth
profiling in GD-OES.
- 1988 - M Chevrier and Richard Passetemps invented the first radio frequency
powered Grimm source.
First published on the web: 15 March 2000.
Author: Richard Payling, Surface Analytical