A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

2024年3月24日 · At its core, a laser utilizes atoms of a chosen gas, liquid, crystal or semiconductor that can be stimulated to release uniform packets of light called photons. The emitted particles travel together in an intense narrow …

Expertise & passion drive us. Whether you are looking for a fast road cycling helmet or one for your kids, Lazer has what you need.

2025年3月19日 · laser, a device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation. The emission generally covers an extremely limited range …

Lazer may refer to: Lazer, Hautes-Alpes, a commune in southeastern France; Panther Lazer, a car; Lazer 103, former branding of American radio station WLZR-FM; Lazer 99.3, the branding of American radio station WLZX-FM

Any of several devices that emit highly amplified and coherent radiation of one or more discrete wavelengths. One of the most common lasers makes use of atoms in a metastable energy state, which, as they decay to a lower energy level, stimulate others to decay, resulting in a cascade of emitted radiation. b. A beam of radiation emitted by a laser.

2023年7月31日 · In this article, you'll learn all about the different types of lasers, their different wavelengths and the uses to which we put them (like laser pointers). But first, let's start with the fundament­als of laser technology by explaining the basics of an atom. What's Your Wavelength? How Does a Laser Pointer Work?

Laser science is principally concerned with quantum electronics, laser construction, optical cavity design, the physics of producing a population inversion in laser media, and the temporal evolution of the light field in the laser.

2024年1月25日 · Although both words may sound identical when spoken, only laser is the correct spelling in standard English. In this article, we will explore the origin and meaning of the word laser, explain why lazer is incorrect, and provide examples of how to use laser correctly.

2024年3月19日 · The correct spelling is "Laser," an acronym for Light Amplification by Stimulated Emission of Radiation. "Lazer" is an incorrect spelling.