Left:
Ketterle's first atom laser. Centre and right: later
results from other laboratories.
The
atomic laser
When the laser was invented
some forty years ago, no-one envisaged its many areas
of application today. A laser emits coherent light;
could coherent matter be utilised in similar ways?
Can a laser be built to emit matter instead of
light?
Ketterle’s group was first
to produce pulses of coherent matter – the
equivalent of a pulsed laser beam but for matter:
an atom laser
beam.
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