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.
References in periodicals archive ?
Moreover, femtosecond reduces the likelihood of short flaps, epithelial abrasions, button-hole perforations, and blade marks.
A femtosecond (very fast, short-pulsed) laser makes cuts within the cornea, creating a disc-shaped piece of tissue that is removed by the surgeon through a small incision in the surface of the cornea.
Previously, femtosecond lasers had been used to produce extremely high-speed images of biochemical processes in a laboratory setting, where the trajectories of the laser pulses were carefully controlled.
The femtosecond laser technique reduced the use of ultrasound energy by 45 percent compared to the traditional procedure.
Specialist pharmaceutical company Valeant Pharmaceuticals International (NYSE:VRX)(TSX:VRX) reported on Thursday the receipt of 510(k) clearance in the US for the VICTUS Femtosecond Laser Platform for laser-assisted lens fragmentation during cataract surgery.
OptiMedica has developed the Catalys Precision Laser System that enables surgeons to substitute some of the technically demanding manual steps in cataract surgery with a computer-guided, femtosecond laser technology.
Culbertson's team studied how pre-treating cataracts with the femtosecond laser affected the level of ultrasound energy needed to soften the cataracts.
The femtosecond laser then fragments the lens; the gas bubbles go to areas of least resistance around the capsular bag allowing the lens to separate from it.
We chose Catalys at Shinagawa because we are confident that it is the best femtosecond laser cataract system available," said Dr.
we are looking for an amplified femtosecond laser system for the generation and characterization of ultrashort, Intense and wavelength-tunable laser pulses.
OptiMedica has developed a system that enables surgeons to substitute some of the technically demanding manual steps in cataract surgery with a computer-guided, femtosecond laser technology.