Cr:LiCAF Laser Rods
Cr:LiCAF (Cr:LiCaAlF₆) is a newly developed laser media suitable for tunable applications over a wavelength range of 720 to 840nm. Cs:LiCAF is highly efficiency and capable of being pumped by a wide range of sources. Cr:LiCAF is versatile and is used across a broad range of applications, especially to configure compact solutions.

Key strengths of Cr:LiCAF:
  • Lases (tunable) over range 720 to 840nm
  • Highly efficient - high absorption coefficients
  • Can be pumped by a wide range of sources - flashlamps, diode lasers and other lasers.
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Cr:LiCAF Laser - Availability
Doping Levels: Custom - range 0.5 to 5.5 mol %
Format: Rods, Discs and Slabs
Sizes: Diameter: 25.4mm max and Length: 180mm max
Cr:LiCAF Laser Rod Properties
Laser / Optical Properties Units Value
Laser Wavelengths nm 720 - 840
Emission Linewidth nm <1
Absorption Band Peak nm
Absorption Bandwidth nm
Emission Cross-section (@1064nm) 10‾²º cm² 1.3
Fluorescent Lifetime µs 170
Absorption Coefficient @808nm cm‾¹
Intrinsic Loss @1064nm cm‾¹ <0.003
Refractive Index (n) @ 382nm 1.41
Thermal Optical Coeff. (dn/dT) @nm 10‾⁶/ºC -4.6
-4.2
Physical / Thermal Properties Units Value
Chemical Formula Cr:LiCaAlF₆
Melting Point ºC 810
Thermal Expansion Coeff. @20ºC 10‾⁶/ºC 3.6
22
Thermal Conductivity Coeff. @20ºC W/m/ºK 5.14
4.58
Specific Heat J/g K 0.935
Chemical Durability (@100ºC weigh loss rate distilled water) μg/hr.cm²
Density g/cm³ 2.988
Durability Knoop Hardness kgf/mm²
Mohs Hardness
Damage Threshold (10ns) J/cm² >55