News tagged with laser pulses

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Shedding light on a protein, and a future

While on a research co-op in London, Northeastern University senior Brendon Kellner investigated the inner workings of certain proteins through state-of-the-art ultrafast lasers. These lasers generate light ...

Dec 17, 2010
5 / 5 (2) 0

Extreme lasers at work

Under extremely intense illumination materials may exhibit so-called nonlinear optical properties such as ceasing to absorb light beyond a certain brightness, or becoming highly ionized. Yasumasa Hikosaka, ...

Nov 26, 2010
4 / 5 (4) 1

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 (7) 0 | with audio podcast

A simple quantum dynamics problem?

Research reported in The Journal of Chemical Physics, which is published by the American Institute of Physics, provides the first real-time measurements of the time dependence of the individual steps of dis ...

Jul 14, 2010
4.6 / 5 (14) 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