News tagged with light pulses

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XPP instrument blasts past key milestones

(PhysOrg.com) -- The X-ray Pump Probe instrument at the Linac Coherent Light Source is installed and ready for its first user experiments several weeks ahead of schedule, thanks in part to funds provided by ...

Oct 05, 2010
4.3 / 5 (3) 0

Imitation black hole seen on earth

Astrophysics deals mostly with things that are so distant -- thousands or billions of light years away -- that we can't ever hope to see them up close. But clever scientists can do the next best thing to making ...

Sep 30, 2010
4.3 / 5 (10) 5

Clocking Ultra-fast Electron Bunches

(PhysOrg.com) -- Brookhaven researchers have developed a device that acts like a high-tech stopwatch for speedy packs of electrons just trillionths of a second long. This new diagnostic tool could aid in the ...

Jul 30, 2010
4.6 / 5 (8) 0 | with audio podcast

Rainbow trapping in light pulses

Over the past decade, scientists have succeeded in slowing pulses of light down to zero speed by letting separate frequency components of the pulse conspire in such a way that a receptive medium through which the pulse is ...

Jul 14, 2010
4.3 / 5 (8) 0 | with audio podcast

Making a Magnetic Moment in a Split Picosecond

(PhysOrg.com) -- A wide range of phenomena in nature and technology depend on changes that occur in a material after it is illuminated with visible light. A well-known example is photosynthesis, where successive ...

Jul 05, 2010
4.1 / 5 (8) 0 | with audio podcast

Light controls matter, matter controls x-rays

Like playing a game of scissors-paper-rock, a team of scientists led by Thornton E. (Ernie) Glover of Lawrence Berkeley National Laboratory's Advanced Light Source (ALS), Linda Young of Argonne National Laboratory, ...

Mar 24, 2010
5 / 5 (10) 1 | with audio podcast