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Laser Crystals
Nd:YVO4–Neodym-Vanadate shown in a grey comb with a blue blackground


Nd:YVO4 is the most efficient laser crystal for diode-pumping. The outstanding properties enable versatile DPSS-laser sources [More].

Nd:YAG –Neodym-YAG shown in a grey comb with a blue blackground

Nd:YAG –

Nd:YAG is maybe the most famous laser crystal. The outstanding properties are well-suited for near-infrared solid state lasers [More].

Laser Crystal:  Yb:YAG – Ytterbium-YAG shown in a grey comb with a grey background.

Yb:YAG –

Yb:YAG is a promising material for diode-pumped, high-power lasers [More].

Laser Crystal:  Yb:CALGO shown in a grey comb with a grey background.


Ytterbium Calcium Aluminum Gadolinium Oxide (Yb:CaGdAlO4, called CALGO) is a promising new laser gain material which possesses several important advantages. The crystal structure is tetragonal. [More].

Four Crystals in different sizes are shown in a grey comb wiith a black background

More Crystals

Nd:YLF, Nd/YB:KGW, Ho:Cr:TM:YAG, Ti:Sapphire, … [More].

Castech Logo shown with a transparent background

GWU offers all common laser crystals (Nd:YVO4, Nd/Yb:YAG, …) with a broad variety of specifications. Besides the well-established materials, innovative crystals with outstanding properties can open new horizons for demanding laser applications. Crystals and optical components are manufactured by GWU’s partner Castech Inc. The outstanding quality and design flexibility of Castech’s optical crystals and coatings is well-known, supplying thousands of laser manufacturers and researchers worldwide.