Sentences with phrase «focused beam of laser light»

Not exact matches

He's done so by precisely focusing infrared laser light to selectively ionize, or steal the electrons from, air molecules at the beam's focal point, generating a flash of bluish - white plasma.

But supercontinuum lasers give off a focused beam packed with light from a much broader range of wavelengths.

Conventional rockets would carry the miniature probes into Earth orbit, and a synchronized array of ground - based lasers would then focus its beams on individual sails, imparting enough force to accelerate each probe to 20 percent of the speed of light.

In 1968 Vladilen S. Letokhov first proposed that atoms could be trapped in a light beam using the dipole force, and 10 years later Arthur Ashkin of AT&T Bell Laboratories suggested a more practical trap based on focused laser beams.

Arne Voie, David Burns and Francis Spelman focused a laser beam into a thin sheet to illuminate a fluorescent sample and captured the reflected light using a different objective lens oriented perpendicular to the plane of illumination (i.e. light sheet).

The operator can focus the narrow beam of light emitted by the laser on the cancer to vaporise it.