Holographic Optical Elements
Holographic optical elements (HOE) are devices that use holography, a process that records and reproduces the interference patterns of light waves, to manipulate and control light.
Laser Fringe Lockers
Laser fringe lockers are devices that are used to stabilize the frequency of lasers by locking the laser’s frequency to an external reference.
What Are Newton’s Rings?
Newton’s rings are an optical phenomenon that occurs when light reflects off a thin film of air or other transparent substance between two surfaces.
What is laser speckle?
Laser speckle is a phenomenon that occurs when laser light is scattered by a rough or irregular surface or by a medium with inhomogeneities, such as a turbid fluid.