Crystals

Nd:YAG - Neodymium doped yttrium aluminum garnet

Electro-optics

Nd:YAG is a synthetic crystal doped with neodymium ions that serves as a highly efficient gain medium in solid-state lasers, typically absorbing light near 808 nm and emitting at 1064 nm.

Nd:YAG (neodymium-doped yttrium aluminum garnet) is a synthetic crystal used as a gain medium in solid-state lasers.

It has a cubic, isotropic structure and is typically light purple in color.

A small amount of neodymium ions replaces yttrium ions in the crystal; these ions are what enable laser action.

The crystal is commonly produced using the Czochralski growth method, which yields high optical quality and large crystals.

It absorbs light around 808 nm and most commonly emits laser light at 1064 nm (infrared).

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Evermind™ template is crafted like sustainable structures — clean, scalable, and built to last.

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3photon (three-photon) specializes in the design and commerce of laser and non-linear crystals, as well as optical components, while also operating advanced optical coatings and polishing facilities.

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What is the primary emission wavelength of Nd:YAG?

Nd:YAG primarily emits at 1064 nm. Higher harmonics are accessible at 532 nm (2nd), 355 nm (3rd), and 266 nm (4th), making it highly versatile for multi-wavelength applications.

What doping level is typically used in Nd:YAG?

A small fraction of Y3+ ions in the YAG crystal lattice is replaced by Nd3+ ions, typically in the range of 0.3 to 1.4 atomic percent, which enables laser action.

What are the key advantages of Nd:YAG as a solid-state laser gain medium?

Nd:YAG offers high gain, broad pump absorption bands around 808 nm, mechanical hardness, excellent thermal conductivity, and compatibility with both CW and pulsed operation, supporting a wide range of laser applications.

How is Nd:YAG crystal typically grown?

Nd:YAG is commonly produced using the Czochralski growth method, which yields high optical quality, large boules with low defect density and excellent dopant uniformity.