What is the wavelength of dye laser?
What is the wavelength of dye laser?
50–100 nm wide
Dye lasers are a type of liquid laser that relies on the emission properties of organic dyes to supply lasing wavelengths. The available laser dyes can produce variable laser light over a large range of wavelengths, typically 50–100 nm wide.
Which pumping is used in dye laser?
CW dye lasers are generally pumped by an argon ion laser. The tuning range of the CW dye lasers covers the wavelength interval 260–950 nm, including frequency doubling, and is somewhat smaller than that of pulsed dye lasers.
Why is dye laser known as tuneable?
A tunable laser is a laser whose wavelength of operation can be altered in a controlled manner. While all laser gain media allow small shifts in output wavelength, only a few types of lasers allow continuous tuning over a significant wavelength range.
What does YAG laser do for skin?
The YAG laser allows the practitioner to precisely treat visible vessels, broken capillaries, spider veins, vascular lesions, and discoloration of your skin by using laser energy. Your treatment will be tailored to match your skin condition and desired result. All skin areas can be treated with the YAG laser.
Which is correct for Nd:YAG laser?
Neodymium-doped Yttrium Aluminum Garnet (Nd: YAG) laser is a solid state laser in which Nd: YAG is used as a laser medium. These lasers have many different applications in the medical and scientific field for processes such as Lasik surgery and laser spectroscopy.
What is the gain medium in dye laser?
A dye laser uses a gain medium consisting of an organic dye, which is a carbon-based, soluble stain that is often fluorescent, such as the dye in a highlighter pen.
Is YAG laser safe for the face?
Conclusions: One-pass short-pulse erbium:YAG laser in treating photodamage of the face and neck is safe and effective. There are minimal side effects and patients heal within 3 to 5 days.
How often can I do Q switch laser?
How many sessions does Q-switch laser require? Q-switched laser requires between 10 and 15 sessions. The tattoo should be completely removed in 1 to 3 sessions.
What is Nd:YAG most commonly used?
Nd:YAG lasers emitting light at 1064 nm have been the most widely used laser for laser-induced thermotherapy, in which benign or malignant lesions in various organs are ablated by the beam. In oncology, Nd:YAG lasers can be used to remove skin cancers.
On which factors does the tuning of dye lasers depend upon?
‘ Dye lasers can be tuned with the help of wavelength-selective intracavity devices such as gratings or filters. 2’3 At first sight it may seem that the output wavelength of a dye laser is uniquely determined by the wavelength X0 to which the wave- length-selective element is adjusted.
How does frequency affect laser?
Higher Frequencies will result in more powerful lasers but will also affect how that laser interacts with its target (wavelength will have an inverse, but equal affect).
What does frequency mean in laser?
The optical frequency (for example of a quasi-monochromatic laser beam) is the oscillation frequency of the corresponding electromagnetic wave.
How often can you do laser on face?
Most patients require four to eight treatments spaced one month apart before they see optimal results. You can enjoy long-lasting results by returning every three to four months for touch-up maintenance.
What are the risks of YAG laser capsulotomy?
Documented complications include, transient rise in intraocular pressure,2 retinal detachment,3 lens subluxation or dislocation,4 lens pitting,5 and exacerbation of local endophthalmitis.