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Nd:YLF — Nd-doped Lithium Yttrium Fluoride

Short Description:

Nd:YLF crystal is another very important crystal laser working material after Nd:YAG. The YLF crystal matrix has a short UV absorption cut-off wavelength, a wide range of light transmission bands, a negative temperature coefficient of refractive index, and a small thermal lens effect. The cell is suitable for doping various rare earth ions, and can realize laser oscillation of a large number of wavelengths, especially ultraviolet wavelengths. Nd:YLF crystal has wide absorption spectrum, long fluorescence lifetime, and output polarization, suitable for LD pumping, and is widely used in pulsed and continuous lasers in various working modes, especially in single-mode output, Q-switched ultrashort pulse lasers. Nd: YLF crystal p-polarized 1.053mm laser and phosphate neodymium glass 1.054mm laser wavelength match, so it is an ideal working material for the oscillator of the neodymium glass laser nuclear catastrophe system.


Product Detail

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Features

Nd:YLF crystal, also known as Nd-doped lithium yttrium fluoride, is a lithium yttrium fluoride crystal that produces 1047nm and 1053nm lasers. The main advantages of Nd:YLF crystal are: super large fluorescent linewidth, low thermal lens effect, continuous laser application Lower excitation light threshold, natural polarization, etc. Therefore, Nd:YLF crystal, neodymium-doped lithium yttrium fluoride is an ideal laser crystal material for continuous laser and mode-locked laser. The Nd:YLF crystal we provide, Nd-doped lithium yttrium fluoride grown by Czochralsky method, can provide Nd:YLF crystal rod or Nd:YLF crystal plate with different doping concentration.

Features

● Small thermal lens effect
● Wide range of light transmission band
● UV absorption cut-off wavelength is short
● High optical quality
● Output linearly polarized light

Doping concentration Nd:~1.0 at%
Crystal orientation  [100] or [001], deviation within 5°
Wavefront distortion ≤0.25/25mm @632.8nm
Crystal rod size diameter  3~8mm
length 10~120mm can be customized according to customer requirements
Dimensional tolerance diameter +0.00/-0.05mm
length ±0.5mm
Cylindrical processing Fine grinding or polishing
End parallelism ≤10"
Perpendicularity between end face and rod axis ≤5'
Flatness of end face ≤N10@632.8nm
Surface quality 10-5 (MIL-O-13830B)
Chamfering  0.2+0.05mm
AR coating reflectance <0.25%@1047/1053nm
Coating anti-laser damage threshold ≥500MW/cm

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