Visible spectrum, radio waves, ultraviolet rays, x-rays, gamma-rays, microwaves and infrared light are various electromagnetic radiations that belong to the electromagnetic spectrum.
A lumen is as a unit of measurement indicating the level of brightness emitted from lighting products such as bulbs and tubes, and natural light.
Refraction is a phenomenon that happens when waves passing from one transparent medium to another bend at the boundary between the two mediums.
By Ben Arnold
19 Sep 2014
Telecentric lens is a compound lens used in imaging systems to make objects appear to be the same size independent of their location in space.
In optics, transparency, also referred to as pellucidity or diaphaneity, is the physical property of allowing light to pass via the material without being scattered.
Beam divergence of an electromagnetic beam is defined as a measure of increase in laser beam diameter or radius with respect to the distance from an antenna aperture or optical aperture through which the beam emerges.
The axicon lens is a specialized lens that bears a conical surface. The axicon lens images a point source as a line along the optic axis.
Meniscus lens is a lens having two spherical curved surfaces, convex on one side and concave on the other side. It is thicker at the center than at the edges. The lens provides a smaller beam diameter in order to reduce the beam waste and spherical aberration.
An aiming beam is a laser beam (or any other light source) which is used as a light for guiding.
Autocorrelator is a tool used for measuring the autocorrelation of spectral components and optical beam intensity by investigating the variable difference is an optical path of the beam.