Neodymium:Pottasium Gadolinium Tungstate (Nd:KGW) Laser Rods
Neodymium:Pottasium Gadolinium Tungstate (Nd:KGW) lases at wavelengths - 911, 1067 and 1351nm and with a pumping wavelength of 811nm. Nd:KGW has ecxellent gain and can be used across a broad range of applications.

Key strengths of Nd:KGW:
  • Lases at - 911, 1067 and 1351nm
  • Excellent gain and a low lasing threshold
  • Good mechanical and thermal properties
Nd:KGW Laser - Availability
Doping Levels: 3%, 5% and 8% (standard)
Format: Rods, Discs and Slabs
Sizes: Diameters: 25mm max. and Lengths: 50mm max.
Nd:KGW Laser Rod Properties
Laser / Optical Properties Units Value
Laser Wavelengths nm 911, 1067, 1351
Emission Linewidth nm 2.73
Absorption Band Peak nm 808
Absorption Bandwidth nm 12
Emission Cross-section (@1067nm) 10‾²º cm² 43
Fluorescent Lifetime (3% doping) µs 110
Absorption Coefficient @810nm cm‾¹ 4.5
Intrinsic Loss @1064nm cm‾¹ 0.02
Refractive Index (n) @ 1067nm 1.978 to 2.049
Thermal Optical Coeff. (dn/dT) @1060nm 10‾⁶/ºC -0.8 to -5.5
Physical / Thermal Properties Units Value
Chemical Formula LYF:Nd
Melting Point ºC 1075
Thermal Expansion Coeff. @20ºC 10‾⁶/ºC 3.5 to 8.5
Thermal Conductivity Coeff. @20ºC W/m/ºK 2.2 to 3.5
Specific Heat J/g K 0.79
Chemical Durability (@100ºC weigh loss rate distilled water) μg/hr.cm²
Density g/cm³ 7.27
Durability Knoop Hardness kgf/mm²
Mohs Hardness 5
Damage Threshold (10ns) J/cm²