Optimum mode for processing cataract lens of the human eye with microsecond pulses of Yb, Er: glass laser

Беликов, А. В.; Zagorulko, A.M.; Smirnov, S. N.

doi:10.17586/0021-3454-2018-61-8-734-737

Cited by 2 publications

(1 citation statement)

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“…[19][20][21] the hydrodynamic effects initiated in water by microsecond pulses of Yb,Er:Glass laser with a wavelength of 1.54 µm are considered in detail. A significant influence of these effects on the removal efficiency of soft tissue was established [20,22].…”

Section: Introductionmentioning

confidence: 99%

Application of Yb,Er:Glass laser radiation for active drug delivery at the treatment of onychomycosis

Беликов

Tavalinskaya

Smirnov

et al. 2019

J-BPE

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The paper discusses the active delivery of a drug (methylene blue solution) through the Er:YLF-laser-perforated nail plate using pulsed radiation of microsecond Yb,Er:Glass laser. Different methods of laser impact on liquid drug are considered: by focused and diverging laser beam. It was established that both discussed methods can provide sufficient dose of the drug for the treatment of onychomycosis.

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Section: Introductionmentioning

confidence: 99%

Application of Yb,Er:Glass laser radiation for active drug delivery at the treatment of onychomycosis

Беликов

Tavalinskaya

Smirnov

et al. 2019

J-BPE

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In vitro study of cataract extraction by bursts of microsecond 1.54-μm laser pulses

Беликов¹,

Smirnov²,

Batov³

et al. 2022

Quantum Electron.

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Laser extraction of a model porcine eye cataract has been performed for the first time in an in vitro experiment using a 1.54-μm Yb,Er : glass laser generating bursts of microsecond pulses. We used effective pulse repetition rates from 36 to 75 Hz and average laser output powers from 3.9 to 5.25 W. The results demonstrate for the first time that, at an effective pulse repetition rate of 45 Hz, burst repetition rate of 15 Hz, three microsecond pulses per burst, and a burst energy from 260 to 265 mJ, the laser step duration in cataract extraction is 130 plusmn; 10 s, which is comparable to the ultrasonic phacoemulsification and laser extraction time in the case of a Nd : YAG laser emitting at 1.44 μm. Acoustometry and high speed video recording of hydroacoustic processes accompanying interaction of water with 1.54-μm radiation from the Yb, Er : glass laser generating bursts of microsecond pulses have made it possible for the first time to detect overlap of hydroacoustic processes at the pulse spacing in bursts reduced to under 700 μs. In the case of overlap of hydroacoustic processes, despite the increase in average power and effective pulse repetition rate, acoustic wave generation is ineffective because pulses propagate through bubbles formed in the water. Laser cataract extraction is shown to be most effective at a lower average power, lower effective pulse repetition rate, and burst pulse spacing of 850 ± 10 μs.

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Optimum mode for processing cataract lens of the human eye with microsecond pulses of Yb, Er: glass laser

Cited by 2 publications

References 1 publication

Application of Yb,Er:Glass laser radiation for active drug delivery at the treatment of onychomycosis

Application of Yb,Er:Glass laser radiation for active drug delivery at the treatment of onychomycosis

In vitro study of cataract extraction by bursts of microsecond 1.54-μm laser pulses

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