Interferometric system
Interferometric technique for determining ultrasonic wave intens
Internally referenced, laser intracavity technique for measuring
Laser doppler anemometer
Laser Doppler spectroscopy with smoothened spectra line shapes
Laser gyroscope
Laser gyroscope
Laser gyroscope
Laser gyroscope
Laser gyroscope
Laser gyroscope detector and path length control system
Laser reference device
Laser system preset unit
Length measurement apparatus for continuously advancing articles
Lens testing using total internal reflection holography
Light beam shape control in optical measuring apparatus
Light interference device with low degree of spacial coherence
Light scattering test apparatus
Light scattering type smoke detector
Light-reflecting analytical device