laser trap


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laser trap

A laser beam, focused through a lens of high numeric aperture, which has the ability to lock into position microscopic particles, a mechanism knows as a laser trap, thus permitting manipulation of the object.
See also: optic tweezers.
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References in periodicals archive ?
Ashkin, Forces of a single-beam gradient laser trap on a dielectric sphere in the ray optics regime, Biophys.
Once the pieces have been cut, the laser trap can hold them in place, or--if a new, more powerful trap being built works as planned--move them around at will.
In the early days, I dreamed of trapping biological particles," says Arthur Ashkin of the laser traps he invented.
But lower figures often mean there are more portable laser traps, which a GPS-based device would not spot, plus the hard-to-detect laser guns.
The remote controlled car enthusiast and founder of ROSSA (Radio Operated Scale Speed Association) explained the new Guinness World Record can only be officially set if the car passes laser traps measuring the speed accurately.
Right now, the technique we have is suitable for providing nearly stopped atoms for loading into magnetic or laser traps," says William D.