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.

A scientific instrument that uses a highly focused laser beam to hold and move the microscopic or smaller objects such as atoms and droplets, in a manner similar to tweezers.

The use of optical tweezers to suspend an object in air or vacuum without additional support.

(American spelling) Alternative form of optical fibre

Alternative spelling of optical disc

plural of optical disk