In optics, degreasers or ultrasonic arrangements used for removing pitch, cement or polishing material from lenses during manufacture. It also may refer to manual cleaning devices used immediately before coating or assembly operations.

A light-interference device whose excitation is determined by the modulation of a light beam by an ultrasonic field.

The optical reconstruction of image information contained in a sound field. First the diffraction pattern, formed by an...

The formation and display of three-dimensional images by ultrasonic energy. In one technique, the energy pulses from an...

Lens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance,...

A flowmeter is a device used to measure the flow rate or quantity of a fluid passing through a particular point in a system....

Ultrasonic refers to sound waves with frequencies higher than the upper audible limit of human hearing, typically above...

Device that uses a coherent reference wave to record the interference patterns produced by incident ultrasonic waves on an...

The diagnostic procedure that uses ultrasonic energy to probe the body and, with the help of laser beams, a reflecting...

Any testing method for materials and components that does not damage or destroy the test sample. Some of the methods used...

The space between diffracting centers of an ultrasonic wave that is forming certain light diffraction spectra.

The optical diffraction spectra formed, or the method that produces them, when a light beam is transmitted through a...

A mechanical, electrical, thermal or optical detector designed to identify and measure ultrasonic radiation.

Light diffracted by a solid (usually quartz in crystal or fused form) traversed by acoustic waves. If the ultrasonic...

The luminescence of a substance resulting from its exposure to ultrasonic waves.

An instrument with a fluid that modulates a light beam traversing it because of the effect of ultrasonic waves passing...

A two- or three-dimensional space grating formed when ultrasonic beams with varied paths of propagation intersect.

Ultrasound used in the cleaning of metal and optical parts by virtue of its vibration rates. Large acoustic forces break off...

Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...

A device that uses a piezoelectric crystal to convert ultrasonic sound waves, transmitted through a subject, into a voltage...

A device used in ultrasonic imaging to measure the velocity and attenuation of compressional waves in a transparent liquid...

Abbreviated PAI. An imaging modality with a hybrid technique based on the acoustic detection of optical absorption from...