The advantages of having lasers operate only in femtosecond pulses is that that is a very short burst. This means that there is minimal damage around the site that is being treated and the burst of laser light can be focused on the exact spot it is required.
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Femtosecond laser technology is a revolutionary tool used in various medical fields, including ophthalmology. It utilizes ultrafast laser pulses, lasting femtoseconds (one quadrillionth of a second), to perform precision and controlled surgical procedures. In refractive cataract surgery, femtosecond lasers offer high accuracy and customization. This technology enhances the surgeon's ability to achieve optimal visual outcomes.
If with less you intend "dealing with smallest dimensions" femtosecond lasers exist, emitting pulses whose duration is one billion part of a microsecond.
The Femtosecond lens has replaced the mechanical blade. Blade surgery has been used to perform LASIK procedures for several years, but it poses more risks to patients. The surgeon can treat thin, curved, or flat corneas. Lasik surgery is a risky procedure because it involves cutting and stitches that require a lengthy healing time. Femtosecond laser offers the most effective possibilities of surgery, with a lower risk. Femtosecond laser exerts only very little pressure on the eye and its precision eliminates the possibility of cut-offs that are not even or properly formed in cornea tissue.
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Many ophthalmologic surgeries now use lasers, which decrease the operating time as well as recovery time.
Yes, lasers can produce light of different colors depending on the materials used in the laser and its operating conditions. Some lasers emit a single color of light, while others can emit multiple colors simultaneously.
you can kill people with lasers that could be good or bad and theres lots of more but icba
A class 1 laser - is '...safe under all conditions of normal use...' This means it's okay to view the beam with the naked eye (although not recommended !). Class 1 lasers are found in such devices as CD players & DVD players.
It was found that the pressure of Ne is kept small in He-Ne lasers for having the highest gain in the visible spectrum. But other visible also has infrared lasing wavelengths by using mirror coating.
How do lasers work
lasers damage call composition