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Lasers & Sources

National Ignition Facility dedication this week

From New York Times

In a dry California valley, outside a small town, a cathedral of light is to be dedicated on Friday. Like the cathedrals of antiquity, it is built on an unrivaled scale with unmatched technology, and it embodies a scientific doctrine that, if confirmed, might lift civilization to new heights.

"Bringing Star Power to Earth" reads a giant banner that was recently unfurled across a building the size of a football stadium.

The $3.5 billion site is known as the National Ignition Facility, or NIF. For more than half a century, physicists have dreamed of creating tiny stars that would inaugurate an era of bold science and cheap energy, and NIF is meant to kindle that blaze.

In theory, the facility's 192 lasers - made of nearly 60 miles of mirrors and fiber optics, crystals and light amplifiers - will fire as one to pulverize a fleck of hydrogen fuel smaller than a match head. Compressed and heated to temperatures hotter than those of the core of a star, the hydrogen atoms will fuse into helium, releasing bursts of thermonuclear energy.

Read full story at New York Times

See the SPIE video interview with NIF project director Ed Moses.