Laser - Wikipedia
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
What Are Lasers And How Do They Actually Work? - ScienceAlert
Lasers are devices that concentrate beams of light by forcing their waveforms and frequencies to align. First developed in the 1960s to amplify microwaves, modern lasers technology can ramp up light rays in just about any part of the electromagnetic spectrum, with the exception of …
Scientists think they can control weather with lasers
Apr 21, 2014 · For many Americans who wished they could change the weather -- whether it be in the Northeast during this past winter or in drought-stricken California -- researchers may have found a way to aim a...
11 Incredible Uses of Laser Technology - Interesting Engineering
Sep 30, 2021 · 11 ways lasers have revolutionized business, industry, and science. A little more than 50 years after Nikolay Basov and others were awarded the Nobel Prize in Physics for their work developing...
How do lasers work? | Who invented the laser? - Explain that Stuff
Sep 9, 2023 · An easy-to-understand explanation of how lasers work, with a simple diagram showing what's inside a laser.
Lasers: Understanding the Basics - Photonics
Lasers: Understanding the Basics. Although lasers range from quantum-dot to football-field size and utilize materials from free electrons to solids, the underlying operating principles are always the same. This article provides the basic information about how and why lasers work.
Types of Laser Skin Treatments & What They Do - Healthgrades
Jul 23, 2020 · Pulsed dye, Nd, and nonablative fractionated lasers can improve the look of sun-damaged skin. Learn more about the different types of laser skin resurfacing and what factors to consider in choosing the procedure(s) you want.
High-energy laser weapons: A defense expert explains how they …
Mar 7, 2024 · Militaries around the world are rapidly developing science fiction-like laser weapons, motivated in part by the growing threat from swarms of drones.
TO Can Laser Diodes - Thorlabs
Thorlabs' TO-packaged laser diodes are available in standard Ø3.8 mm to Ø9.5 mm cans. Our extensive selection includes Fabry-Perot (FP) and Diode-Pumped Solid-State (DPSS) lasers, as well as single-frequency lasers (SFLs) with Distributed Feedback (DFB), Volume Holographic Grating (VHG), and Vertical-Cavity Surface-Emitting Laser (VCSEL) designs.
Is Your Laser Pointer Dangerous Enough to Cause Eye Injury?
Jun 22, 2018 · The greater a laser pointer's output power, the more likely it will cause serious eye injuries, burn skin and temporarily — or permanently — impair the vision of pilots, drivers or bystanders. That much is clear. But judging the safety of that laser pointer in your desk drawer or in your kid's hand isn't simple.