Development of laser technology for 50 years had never used the possibilities are endless

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From the initial invention "useless" to become the basis of the Internet fiber backbone and clean fusion energy research, laser technology after 50 years of development, they are still full of potent ial "futuristic". The following shows the 50 years history of the evolution of laser technology.

The first laser beam. In 1960, Theodore? Maiman, Theodore Maiman at Hughes Research Laboratory in Malibu, California designed and built a small laser generator. Flash coil wound on a fingertip size of the ruby ??rod, the first laser, since ushered in the era of the laser.

Maiman s experiment shows that the flash light to the rod of ruby ??empowerment, these energies then release the form of pure red light pulses, these coherent light has a constant phase, as the soldiers lined up forward. (Coherent light: two coherent light to meet the same frequency vibration in the same direction, the phase constant. Laser beam of energy powerful enough to drill holes on the blade, physicists use the number as the unit of measurement of the laser energy through the blade.)

Laser weapons. Military institutions and novelist has seen a ray gun from the comic book fiction into reality, the laser has just been invented, so they see the potential of the laser as a weapon. 1964 James Bond movie "Goldfinger" villain "Goldfinger" Ao Ruike threat Bond, use the laser to saw him in half - which at the time, or pure fantasy.

3-D laser. Holographic technology was invented in 1948, in order to improve the resolution of electron microscopy, but Emmett? Leith Emmett Leith, and Zhu Reese? The upa Courtenay Alex Juris Upatnieks in 1964 using laser holographic technology to reinvent invented the first one does not need special glasses you can see three-dimensional images. They used to split the laser beam hologram recorded in the sensitive film on which a laser beam before being reflected to the subject, and then join the other a bunch of images on the sensitive film. Laser radiation sensitive film with a bunch of imaging the same direction, it will produce a realistic three-dimensional image in front of the viewer. This toy train map is the two scientists at the University of Michigan s Willow? The Roone laboratory for the first time recorded in a hologram.