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Nd:YLF


Nd:YLF is an excellent crystal for mode-locked operation due to its low thermal lensing effect,large fluorescence linewidth and linearly polarized light beam output.

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Nd:YLF is an excellent crystal for mode-locked operation due to its low thermal lensing effect,large fluorescence linewidth and linearly polarized light beam output.

 

PRODUCT FEATURE

Relatively small stimulated emission cross section

Effective single mode operation,high power and low beam divergence

The output linearly polarized laser is beneficial to get high efficiency Q-switching and frequency doubling output.

Large rods and slabs can also obtain uniform mode laser output.

It is suitable to be used as oscillator and preamplifier of high power Nd:Glass laser system.

 

Absorption Spectrum

Emission Spectrum

 

Specifications
Concentration 0.01at~3.0at%
Orientation<100> or <001>±5°
DimensionDiameter:3~8mm,Length:10~120mm(Customized available)
Dimension ToleranceΦ:+0/-0.04mm,L:+0.5/-0mm
Perpendicularity≤5′
Parallelism≤10"
Chamfer0.15±0.05mm
Clear Aperture>95%
Surface Quality10/5(MIL-PRF-13830B)   
BarrelFine Ground, Polishing, Grooving
Flatness≤λ/10@632.8nm
Wavefront Distortion≤λ/8 per inch@632.8nm
CoatingAR coating:R≤0.15%@1047,R≤0.15%@1053nm
Damage Threshold≥750MW/cm2

 

Optical Properties
Laser Transition4F3/24I11/2
Wavelength1047nm,1053nm
Emission Cross SectionE//C:1.8×10-19cm2@1047nm
E⊥C:1.2×10-19cm2@1053nm
Fluorescence Lifetime485μs@1.0at%Nd

 

Physical and Chemical Properties
Crystal StructureTetragonal
Melting Point825℃
Density3.95g/cm3
Mohs Hardness4~5
Young's Modulus7.5×1011dynes cm-2
Tensile Strength3.3×108dynes cm-2
Thermal Expansion Coefficients<100>:13×10-6/K
<001>:8×10-6/K
Thermal Conductivity0.06W/cm/K
Refractive Indexn0=1.443  ne=1.464@633nm
n0=1.448  ne=1.470@1064nm

Keywords:

YLF

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