Optical measurements Interferometry 3 Lasers 3 Interferometers 2 Magnetic fields 2 Magnetic instruments 2 Optical instruments 2 Atmosphere 1 Diffraction patterns 1 Frequencies of oscillating systems 1 Industrial microscopy 1 Laser observations 1 Measurement 1 Microelectromechanical systems 1 Optical transfer function 1 Physics 1 Quality control 1 SCIENCE / Molecular Physics 1 Scientific applications 1 Spectrum analysis 1 TECHNOLOGY & ENGINEERING / Lasers & Photonics 1 TECHNOLOGY & ENGINEERING / Sensors 1 Time measurements 1