femtosecond


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femtosecond

One quadrillionth of a second. Lasers have reached speeds that are measured in femtoseconds. A femtosecond laser emits a pulse with a duration that is less than one picosecond. See space/time and ohnosecond.
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References in periodicals archive ?
Therefore, ROS can be affected as a response to femtosecond laser and in turn induce calcium increase and thus influence relative signal pathways and cellular processes like cell death [111].
Arturo Betancourt, MD, president and medical director of Baltimore Washington Eye Center, says the Femtosecond laser al lows the consolidation and conversion of the many skill-intensive steps of cataract removal into a more predictable procedure.
The femtosecond laser is very similar to the Nd:YAG laser.
Commenting on his first clinical experiences with CUSTOMLENS, Prof Gerd Auffarth, University of Heidelberg, Germany, said, "Being able to perform femtosecond laser-assisted cataract surgery with the TECHNOLAS system is a remarkable step forward in femtosecond laser technology.
Lasers can now routinely generate pulses lasting just millionths or billionths of a second, or femtoseconds, so scientists have begun to produce what amount to snapshots of fleeting, intermediate stages of chemical reactions.
Due to its short pulses--lasting one quadrillionth of a second--a femtosecond laser can vaporise material precisely, without heating the surrounding matter.
Laser Quantum has added two new products to its Gecco and Venteon femtosecond oscillator ranges: the Gecco Power and Venteon Boost.
Femtosecond Laser Surgery in Ophthalmology (online access included)
Currently, the introduction of femtosecond laser-assisted cataract surgery (FLACS) has changed the way of undertaking cataract surgery by automating key steps in the surgical procedure [6, 14, 15].
Femtosecond laser has been introduced in refractive surgery to create a thin-hinged corneal flap without using any blade.