Posts tagged with "Lasers"


Unlocking the secrets of star creation

Apr. 29, 2015 -  
On April 1, 1995, the Hubble Space Telescope , now celebrating its 25th anniversary, captured the famous images of the “Pillars of Creation” in the Eagle Nebula. Twenty years later to the day, the NIF Team conducted the first experiment in a new Discovery Science campaign aimed at finding clues to...

Thinner capsules yield faster implosions

Apr. 24, 2015 -  
In National Ignition Facility (NIF) inertial confinement fusion (ICF) experiments, the fusion fuel implodes at a high speed in reaction to the rapid ablation, or blow-off, of the outer layers of the target capsule. To reach the conditions needed for ignition, the fuel must implode symmetrically at...

30 years and counting, the X-ray laser lives on

Apr. 14, 2015 -  
More than 50 years ago, when the laser was a mere 5 years old, laser physicists dreamed of the development of an X-ray laser to expand the frontier of knowledge. The concept goes back to the mid-1960s, when scientists realized that laser beams amplified with ions would have much shorter wavelengths...

Lawrence Livermore deploys world’s highest peak-power laser diode arrays

Mar. 12, 2015 -  
Lawrence Livermore National Laboratory (LLNL) has installed and commissioned the highest peak power laser diode arrays in the world, representing total peak power of 3.2 megawatts (MW). The diode arrays are a key component of the High-Repetition-Rate Advanced Petawatt Laser System (HAPLS), which is...

'Gigashot' laser installed for European project

Mar. 9, 2015 -  
A key component of the High-Repetition-Rate Advanced Petawatt Laser System (HAPLS) under construction at LLNL has been installed and commissioned. The new Gigashot-HE diode-pumped solid-state (DPSS) laser system will be used as a pump source for one of HAPLS’ high-energy titanium-doped sapphire (Ti...

Determining structural evolution under pressure

Mar. 6, 2015 -  
The study of material properties under the conditions of extreme high pressures and strain rates is important for understanding meteor, asteroid or comet impacts, as well as in hypervelocity impact engineering, inertial confinement fusion (ICF) capsules, and basic high energy density (HED) physics...

Studying effects of target ‘tents’ on NIF

Mar. 5, 2015 -  
A systematic study of the effects on National Ignition Facility (NIF) implosions of the ultra-thin mounting membranes that support target capsules inside NIF hohlraums was reported by LLNL researchers in a Physics of Plasmas paper, published online Feb. 4. The performance of NIF’s inertial...

Providing data for nuclear detectives

Mar. 3, 2015 -  
Fans of the popular TV series “CSI” know that the forensics experts who investigate crime scenes are looking for answers to three key questions: “Who did it; how did they do it; and can we stop them from doing it again?” The field of nuclear forensics, an important element of LLNL’s national...
science magazine

New research re-creates planet formation, super-Earths and giant planets in the laboratory

Jan. 22, 2015 -  
New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, documenting the material properties that determined planet formation and evolution processes. The experiments...