Login Shaping the future since 1967 We develop optical measurement technology solutions for research and industry. Our top technological fields: Vibrometry, Velocimetry, 3D Surface Metrology, Process Analytics, Image Processing and Optical systems. Explore our world Basic principles of laser Doppler vibrometry Laser vibrometry is a high precision optical measurement method for the non-invasice determination of vibrational velocity and amplitude of a sample surface. Based on the Doppler effect it evaluates the frequency shift of backscattered laser light from a moving object surface. Learn more about the measurement principle and interferometer setup in this new video. Watch the video Areas of technology Vibrometry Velocimetry Vibrometry Areas of application Products Technology Laser vibrometers developed and manufactured by Polytec define the globally recognized standard for optical vibration measurement. We provide our customers from a wide variety of industries a comprehensive range of solutions for almost any vibration-related challenge in research, development, production and condition monitoring. Laser Doppler vibrometers are precision measuring instruments for the examination of objects of almost any size and solve your task quickly, in a non-contact, non-destructive manner. When surface metrology becomes surface quality For measuring the finest details in surfaces by areally characterizing form parameters without contact, the TopMap optical profilers are the preferred solution. From microscope to macroscope quality control applications, Polytec offers turnkey surface metrology solutions for industry and research. Learn more Polytec events Visit Polytec around the world at trade fairs and conferences, or sign up to one of our online seminars, user meetings or customer seminars to find out more about the principles, advantages and various uses of optical measuring technologies! Learn more Contacts Polytec Locations Stay informed Polytec Magazine Follow us © 2021 Polytec GmbH. Legal notice Privacy policy General business terms Login