Where can laser be used? What benefit does it bring to people?
Laser can make people make effective use of unprecedented advanced methods and means to achieve unprecedented benefits and results, thereby promoting the development of productive forces.
The laser is emerged in theory and practice in the context of the urgent need, it came out, quickly get an unusual development, not only make the development of laser optical science and optical technology old gained a new life, but also lead to the emergence of a new industry.
The laser is another important invention of mankind since twentieth Century, following the atom, the computer and the semiconductor. The principle was first discovered in 1917 by the famous physicist Einstein, but it was not until 1958 that the laser was first successfully made.
In 1964, according to Chinese famous scientist Tsien Hsueshen proposed that "light stimulated emission" changed to "laser"".
Laser and laser English, called "laser", "light amplification by stimu iatad emission of radiation acronym, meaning" light amplification by stimulated emission of radiation, laser full name English has fully expressed the main process of manufacturing laser.
