M J Downs

An Updated Edlén Equation for the Refractive Index of Air

K P Birch, M J Downs · Metrologia · 1993 · 587 citations

Engineering, Wave Optic, Carbon Dioxide Content +18

Correction to the Updated Edlén Equation for the Refractive Index of Air

K P Birch, M J Downs · Metrologia · 1994 · 404 citations

Numerical Analysis, Engineering, Physics +3

The use of x-ray interferometry to investigate the linearity of the NPL Differential Plane Mirror Optical Interferometer

Andrew Yacoot, M J Downs · Measurement Science and Technology · 2000 · 68 citations

Photonics, Engineering, Optical Properties +12

Optical system for measuring the profiles of super-smooth surfaces

M J Downs, W. H. McGivern, Heather J. Ferguson · Precision Engineering · 1985 · 66 citations

Geometric Modeling, Engineering, Coherent Gradient Sensing +8

Measurements of the Refractive Index of Air Using Interference Refractometers

Peter A. W. J. F. Schellekens, Günter Wilkening, F Reinboth et al. · Metrologia · 1986 · 66 citations