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Nd:YLF crystal active elements

※Long lifetime of 4F3/2 neodymium energy level
※Considerably softer and more brittle than is Nd:YAG
※Nd:YLF (a-cut) crystals that are used inside a laser optical resonator are self polarizing
※Custom crystals available upon request
※For CW and pulsed operation at 1047nm and 1053 nm
※For Materials processing, welding, cutting lasers

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Host

LiYF4(YLF)

Dopant

Nd3+

Concentration

~1.0at%

Growth Direction of Crystal

[100] or [001] 5

Wavefront Distortion

≤0.25λ/25mm@632.8nm

Wavelength

1047nm,1053nm

Dimensions

Diameter 3~8mm,length 10~120mm

Tolerances

Diameter+0.00/-0.05mm,length±0.5mm

Barrel Surface

Fine ground, Polished or Grooved

Parallelism

≤10”

Perpendicularity

≤5'

Surface Flatness

≤λ/10@632.8nm

Surface Quality

10-5(MIL-O-13830B)

Chamfer

0.15±0.05mm

Emission cross-section

1.8 × 10-19 (E||C) cm2@1047 nm

1.2 × 10-19 (E⊥C) cm2@1053 nm

Anti-Reflection Coating

R≤0.25%@1047/1053nm

Fluorescence  Lifetime 

485μs@1.0at%Nd3+

Damage Threshold

≥500MW/cm2

Note: Parameters above can be customized as required.



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