plural of optical spectrum

plural of optical spectrum

A scientific instrument that uses lasers to manipulate objects on the micron scale as if by using tweezers.

plural of optical wand

A wand-like device for optical character recognition.

plural of optical delusion

(dated) A vision or image that is deceptive or misleading, such as an optical illusion or a trick of the light.

An input device consisting of a small surface with an optical sensor, integrated for some smartphones and subnotebooks.

plural of optical power

The degree to which a lens, mirror, or other optical system converges or diverges light, equal to the reciprocal of the focal length of the device.