Science invention
New way to remove ink on paper
Researchers at Cambridge University used short wavelengths to erase text and images printed on paper. Ultraviolet rays and infrared light converge in the laser to remove…
Laser
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Articles about Laser
501 published items.
Science invention
Successfully fabricated laser device in laparoscopic surgery
Center for Laser Technology, Institute of Technology Application (Ministry of Science and Technology) has successfully fabricated three high-quality laser devices that c…
Science invention
Remote measuring device of a math student
Three laser lights, several student measures, Nguyen Van Ha Uy successfully built a multi-function meter, used to measure high, long and wide quantities of any object wi…
Science invention
Sound map helps blind people to travel on their own
A new way to transfer images from laser and digital camcorders into three-dimensional sound maps to help blind people walk, avoid obstacles on the road.
Science invention
The world's smallest molecular optical transistor
Since lasers first appeared nearly 50 years ago, scientists and technicians have dreamed of the ability to create a completely optical circuit in which electrons are rep…
Science invention
From transparent aluminum to philosophical stone
It all starts from the predictions of fiction writers. The all-new aluminum-transparent material - successfully produced by British physicists was a quarter-century ago…
Science invention
Laser ruler
Huang Qiaokun, a Chinese, has designed a compact, convenient and accurate distance measurement. That is a measure of the laser Red Point Measure.
Science invention
Made of gold aluminum, black platinum and green silver with a laser machine
By using a tabletop laser, the University of Rochester optical scientists have turned pure aluminum into yellow, green, gray and other colors. All metals are t
Science invention
Ultra-fast X-ray breakthrough
Electromagnetic induced transparency or EIT has been known for quite a long time. This phenomenon is used to control properties such as dispersion and absorption in gase…
Science invention
Atoms store 2D images in record time
Physicists in Israel have shown that 2D images of light can be projected into atomic gas, stored there and recovered in time to 9 9s later. Although this is not the time
Science invention
Nano antenna converges laser light
What do you get when you combine the quantum laser cascade with an optical antenna? The answer, according to US researchers, is a device that creates a tiny spot of ligh…
Science invention
Physicists confirm the existence of polariton condensation state
American physicists say they witness a unique combination of a Bose-Einstein condensate (Bose-Einstein condensate - BEC) in a system of pseudo-cooled particles called
Science invention
Precise definition of temperature unit (Kelvin) thanks to laser spectroscopy techniques
French physicists have made a direct measurement of the Boltzmann constant by laser spectroscopy. This new technique involves observing the light absorption of ammonia (…
Science invention
Turn rubium atoms into a single photon server
Each time you turn on a light bulb, there is the energy of 10 to 15 visible photons, the fundamental particles of light, that will illuminate the room every second. If t…
Science invention
Electronic observation directly tunneling
A strong electric field from a strong laser pulse can cause the electron to tunnel out of the atom within a millionth of a second. Recently, German physicists have for t…