Search results
Results From The WOW.Com Content Network
Theodore H. Maiman: Creator of the First Laser; Theodore H. Maiman via IEEE Global History Network; Bright Idea: The First Lasers (history) Archived October 3, 2012, at the Wayback Machine; Time Photos, "20th Century Technology: Laser" SPIE, "Lasers and Sources, Video: Theodore Maiman on the First Laser"
Even though Gould had signed away eighty percent of the proceeds to finance his court costs, he made several million dollars. [34] "I thought that he legitimately had a right to the notion to making a laser amplifier", said William R. Bennett, who was a member of the team that built the first laser that could fire continuously. "He was able to ...
The first working laser was a ruby laser made by Theodore H. "Ted" Maiman at Hughes Research Laboratories on May 16, 1960. [ 1 ] [ 2 ] Ruby lasers produce pulses of coherent visible light at a wavelength of 694.3 nm , which is a deep red color.
A 50 W FASOR, based on a Nd:YAG laser, used at the Starfire Optical Range. Solid-state lasers use a crystalline or glass rod that is "doped" with ions that provide the required energy states. For example, the first working laser was a ruby laser, made from ruby (chromium-doped corundum). The population inversion is maintained in the dopant ...
The first gas laser, using a mixture of helium and neon, was demonstrated in 1960 and emitted radiation at a wavelength of 1.15 μm (infrared range). [2] Two years later, White, together with Dane Rigden, showed that a helium-neon laser can emit radiation at a wavelength of 632.8 nm, i.e., in the visible range of the spectrum. [3]
The first test of two-way laser communication occurred in December 2021 when NASA’s Laser Communications Relay Demonstration launched and went into orbit about 22,000 miles (35,406 kilometers ...
At the same time, development of short and ultrashort laser pulses—created by Q-switching and mode-locking techniques—opened the way to the study of unimaginably fast ("ultrafast") processes. Applications for solid state research (e.g. Raman spectroscopy) were found, and mechanical forces of light on matter were studied.
1960 Theodore H. Maiman creates the first laser. 1962 Nick Holonyak Jr. develops the first practical visible-spectrum (red) light-emitting diode. 1963 Kurt Schmidt invents the first high pressure sodium-vapor lamp. [18] 1972 M. George Craford invents the first yellow light-emitting diode.