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Laser Crystals and Components - Scintillation and Lighting Materials

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Laser Materials

LuAG (Lutetium Aluminum Garnet) is of particular interest as a material for diode pumped solid-state lasers employing active ions such as Yb, Tm, Er, and Ho. This host has the smallest lattice constant of the rare earth garnets and the resulting crystal field in LuAG yields narrower linewidths and higher absorption and emission cross-sections. The net effect is higher efficiency laser devices.


Laser Materials

Cerium doped YAG is a chemically inert non-hygroscopic inorganic scintillator well matched to charge-coupled device (CCD) sensitivity with peak emission of 550nm. Ce:YAG is commonly used as a phosphor in cathode ray tubes and white light-emitting diodes.


Laser Materials

Teledyne FLIR Laser Crystals and Components offers high quality Yttrium Orthoaluminate, also referred to as yttrium aluminum perovskite (YAP), doped with Tm, Nd, Pr, Er and Cr.

YAP´s hardness and thermal conductivity are similar to YAG, but exhibits a highly anisotropic thermal expansion coefficient and is birefringent. YAP is an orthorhombic negative biaxial crystal belonging to the D162h (Pnma) space group. Emission wavelengths are polarized, and emission and absorption cross sections are dependent upon the crystallographic orientation. Teledyne FLIR Laser Crystals and Components (along with references [1] and [3] below), use the Pnma space group convention for defining the crystallographic a, b, and c-axis lattice constants. Others (including reference [2]) use the Pbnm convention. In the table below, we related the two conventions thru their common lattice constants.