An inspection device in which the profile of a mechanical part is projected onto a ground-glass screen at a precisely known magnification so that the shape of the part can be compared with a scale drawing of the part provided by the designer. Thus...

A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic...

A unit that converts images to the standard NTSC format for use with video recorders, projectors and discs.

A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such...

A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which...

A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...

Liquid crystal on silicon (LCoS) is a display technology that combines liquid crystal materials with silicon-based...

A spatial light modulator (SLM) is an optical device that modulates or manipulates the amplitude, phase, or polarization of...

A laser crystal, also known as an active medium or gain medium, is a solid-state material used in the construction of...

An opaque projector is a device used for enlarging and projecting images from opaque objects such as printed pages,...

A microlens array is a grid-like structure composed of numerous small lenses, typically arranged in a regular pattern. Each...

A miniature projecting device designed to enhance and reproduce the image generated by a smaller image-forming instrument....

A Fresnel lens is a type of optical lens that consists of a series of concentric grooves or steps carved into a flat, thin...