Laser Components and Accessories
Crystals and Assemblies
Build high-performance laser systems for defense, industrial, and medical applications, with non-linear crystals, gain crystals, and gain assemblies.
Coherent is a fully vertically integrated laser crystal manufacturer, with comprehensive crystal growth capacity, metrology to consistently minimize absorption, extensive coating facilities, in-house laser damage testing, and assembly capabilities.
Extensive Crystal Production Capabilities
Choose from nearly every type of non-linear and gain crystal currently in use, each available with precisely characterized coatings, plus high precision assemblies.
Product Specifications
Material Type |
Crystal Capabilities |
Aperture/Length (mm) |
Key Features |
KTP Family |
KTP KTA RTP |
30x30 / 50 |
Absorption < 250ppm/cm @ 1064 nm Ideal for OPO applications (KTP/KTA) Ideal for EOM’s or intracavity SHG of 1064 nm Polishing to scratch/dig of 0/0 and 4 Å RMS |
Borate Family |
LBO BBO CLBO |
LBO: 90 (diameter)/120 CLBO: 75 (diameter) BBO: 20x20 / 40 |
Low to no absorption in visible Multiple options for UV generation to < 200 nm |
Vanadate Family |
YVO4 Nd:YVO4 |
20x20 / 75 |
Ideal for high peak power lasers Each piece measured for bulk absorption Available in assembly form for easy integration |
YAG Family |
YAG Nd:YAG Yb:YAG CTH:YAG Er:YAG Tm:YAG Ho:YAG Ce:YAG Cr4+:YAG |
50-85 (diameter)/50-150 Cr4+:YAG 40 (diameter)/50 |
Single and multiple bonding of YAG sections Multiple options at 2 µm Polishing to scratch/dig 0-0 and < 4 Å RMS surface roughness Ideal for high power applications Large selection of fluorescence crystals |
Magneto-optic |
TGG |
50 (diameter)/75 |
Low polarization extinction Available in low absorption grade |
(Yb)-doped Family |
Yb:CALGO Yb:KGW Yb:KYW Yb:LuAG Yb:YAG |
Size on request |
Yb:CALGO for shorter pulse length |
Nonlinear and/or Piezoelectric Crystals |
BiBO3 BaTiO3 NBT-BT |
BaTiO3: 10 x 10 |
BaTiO3: substrates, standard or single domain NBT-BT: extreme piezo coefficient, custom compositions |
Crystals for fluorescence standards |
KEuW Ce:YAG |
Diameter 9 mm Diameter >40 mm |
Special emission wavelength on request |
