Laser Materials Er:YAG
Description
Highly doped (50%) Erbium YAG is a well-known laser source for producing 2940nm emission, commonly used in medical [1] (e.g. cosmetic skin resurfacing), and dental [2] (e.g. oral surgery) applications due to the strong water and hydroxapatite absorption at this wavelength. Low doped (< 1%) Erbium YAG hase been studied as an efficient means to generate high power and high energy 1.6 micron 'eye-safe' laser emission thru 2 level resonant pumping schemes. In these systems, fiber or diode lasers pump the ~1.5 micron 4I15/2− > 4I13/2 4I15/2 4I13/2 absorption band, where non-raditive coupling between stark levels allows 1.6 micron laser emission with quantum efficiencies in excess of 90% [3].
Laser Materials Er:YAG
Specifications |
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|---|---|
| Type Of Crystal: | Er:YAG |
| Crystal Diameter: | -- mm |
| Crystal Length: | -- mm |
| AR Coating: | Uncoated |
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Frequently Asked Questions
The 1.6 micron laser emission is generated through 2 level resonant pumping schemes, where fiber or diode lasers pump the ~1.5 micron 4I15/2− > 4I13/2 4I15/2 4I13/2 absorption band, allowing for non-radiative coupling between stark levels and quantum efficiencies in excess of 90%.
The Er:YAG laser is commonly used in medical applications such as cosmetic skin resurfacing and dental applications like oral surgery.
Highly doped Erbium YAG has a 50% doping level and is used for producing 2940nm emission, while low doped Erbium YAG has a doping level of less than 1% and is used for generating high power and high energy 1.6 micron 'eye-safe' laser emission.
The quantum efficiency of the 1.6 micron laser emission generated by the low doped Erbium YAG material is in excess of 90%.
The Er:YAG material produces a laser with a wavelength of 2940nm.