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Long Pulsed Er:YAG Laser Used For Treatment Of Deeper Vascular Lesions

Long Pulsed Er:Y3Al5O12 laser energy can penetrate the skin deeply for treatment of deeper vascular lesions such as telangiectasias, hemangiomas and leg veins. The energy of Medical Fractional Er glass Laser is delivered using long pulses which are converted into heat in the tissue thereby destroying unsightly blood vessels. In addition, Er glass 2940nm lasercan be adjusted to more superficial level for hair reduction and safely heat up the subcutaneous tissue for new collagen production.Fractional Erbium:glass laser is a gentle and yet effective type of non-ablative laser. It improves skin conditions by affecting only a fraction of your skin at a time with thousands of tiny but deep microscopic laser columns in your skin. For every column, laser targets and treats intensively but leave the surrounding tissues intact. This allows the skin to heal much faster to create new, healthy tissue.This is a subtype of medical  Erbium laser that penetrates deep into the skin and is readily absorbed by hemoglobin and melanin. By creating a variable long pulse duration and an appropriate spot size, it is possible to heat deep skin tissues, such as blood vessels and collagen. To grow the Er glass crystal, the temperature gradient has to be stable during the growth of the glass laser crystal. In fact, instability of the temperature gradient leads to increase in the fluctuations of growth rate.

Cr:Er glass
Er YAG laser crystal
Picture of Jackie Dong

Jackie Dong

In photonic crystals, nanophotonics, negative refraction media, surface plasma optics, nonlinear optics and quantum optics, he has made many innovative achievements in theoretical and experimental research on electromaanetic field problems.

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