continue from "Centennial history of laser （1）
In 1961, China's first laser was born in the Changchun Institute of Optics and Mechanics under the leadership of Wang Daheng.
In 1961, laser was used for the first time in surgical operations to kill retinal tumors.
In 1962, the former Soviet Union scientist Nikolai Basov invented the semiconductor diode laser, which is the backbone of today's small commercial lasers.
In 1964, the famous Chinese physicist Wang Ganchang put forward the preliminary theory of laser nuclear fusion, which made my country's scientific research in this field lead the world at that time.
In 1971, laser entered the art world, used for stage light and shadow effects, and laser holographic photography. British Hungarian physicist Dennis Gabor won the Nobel Prize for his research on holographic photography.
In 1974, the first supermarket barcode scanner appeared.
In 1975, IBM released the first commercial laser printer.
In 1978, Philips manufactured the first laser disc player, referred to as LD.
In 1982, the first compact disc (CD) player appeared. The first CD was the 52nd Street album by American singer Billy Joel in 1978.
In 1983, President Reagan delivered a "Star Wars" speech, depicting space-based laser weapons.
In 1988, the first optical fiber was set up between North America and Europe, using light pulses to transmit data.
In 1988, Elias Snitzer and Hong Po of Polaroid Company in Massachusetts first proposed the idea of a double-clad fiber laser.
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