Nd: YLF

Advantages: u High power, low beam divergence, efficient single mode operationu High average power Q-switching at a moderate repetition rateu Linear polarized resonators for Q-switching and frequency doublingu Potential uniform mode for large diameter rods or slabs u Stimulated emission cross section is favorable for low CW thresholdu Thermal lensing lower than that of YAGu 1053nm output of Nd:YLF matches gain curves of Nd:Glass andperforms well as an oscillator and pre-amplifier for this hostSpecifications: Dopant Concentration 0.4 1.5 atm % Orientation a-cut or c-cut within 2° Flatness <λ/10 @ 632.8nm Parallism ≤10 " Perpendicularity ≤5 ' Surface Quality 10/5 ( MIL-O-13830A) Size Diameter: 2 10mm, Length: 10 120mm Upon request of customer Dimensional Tolerances Diameter +0.0/-0.03mm, Length ±0.5mm Chamfer: < 0.1 mm @ 45° AR-Coating Reflectivity ≤ 0.2% (@1047/1053nm) Main properties of Nd:YLF crystal: Chemical Formaulay LiY1.0-xNdxF4Density, g/cm33.99 Mohs hardness 4 5 Lattice constant, A a = 5.26, c = 10.94 Refractive index, at 1.053 μm no= 1.448; ne= 1.47 Thermal conductivity, W x cm-1 x °K-10.06 Thermal expansion ( a ), 10-6 x °C-113 along a, 8 along c Thermooptical factor (dn/dT), at 1.06 μm π = 4.3 x 10-6 x °K-1, σ = 2.0 x 10-6x °K-1Generated wavelength, μm π = 1.047, σ = 1.053 Laser Wavelength1047nm, 1053nm Fluorescence Lifetime485μs Emission Cross Section1.8×10-19cm2(E C) @1047nm 1.2×10-19cm2(E C) @1053nm