Optics Accessories

The very earliest lasers worked in the microwave, infrared, and red regions of the electromagnetic spectrum. Helium-neon-based green lasers soon followed. The invention of the laser diode in the...

Red lasers are used for many things in many places across the world. "Laser" is an acronym that stands for Light Amplification by Stimulated Emission of Radiation.

Lasers come in many different colors and are used worldwide for many different purposes. Red and green are only two of those colors, and as can be found through further research, "red" and "green"...

Neodymium YAG is a type of crystal used as the primary lasing medium for certain high-power lasers. A lasing medium is the material through which a normal beam of light passes; as the beam exits...

Generated from the constructive interference of scattered light, holograms are three-dimensional representations of physical objects. To holographically capture an object, shine a primary light...

Many people fear vision can be damaged by even the weakest lasers, such as those used in DVD drives. Of the four classes of lasers commonly used, two are officially considered harmless and two...

A laser is a device that emits light, in many different forms and levels of concentration. LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. Crystals are used in...

A laser pen is composed of a laser diode, a battery, and possibly a lens. Many laser pointers are red or green lasers, depending on the quality. Red lasers are less powerful than green lasers in...

Lasers are a unique form of light emissions that have gained a reputation for enhancing cutting edge technology through scientific experiments. But what is a laser, and why is laser light so much...