Nonlinear LBO (LiB3O5)optical crystal

LBO

(lithium triborate)

LBO3

Main Properties

Compound LiB3O5
Transparency range, µm 0.16 – 2.6
Nonlinear coefficient, pm/V d31 = 0.67; d32 = 0.85
Symmetry Ortorombic, mm2 point group
Cell parameters a=8.447, b=7.3798, c=5.1408 Å
Typical
Reflection
index

1064 nm
532 nm

nx=1.5656, ny=1.5905, nz=1.6055
nx=1.5785, ny=1.6065, nz=1.6212
Optical
Damage
Threshold, GW/cm2

1053 nm
(t=10 ns)
2.5
Cut off SHG
THG
554 nm
794 nm
Walk off angle, ° Type I
Type II
0.43
0.22
Mohs hardness 6

The parameters of optical elements

Orientation accuracy, arc min < 30
Parallelism, arc sec < 30
Flatness 546 nm λ/6
Surface quality, scratch/dig 20/10

Application

  • Second harmonic generation (SHG) of power radiations of YAG: Nd, YAG: Ho, Ti: Sapphire, Alexandrite and Cu vapour lasers
  • Third harmonic generation (THG) of YAG: Nd, Ti: Sapphire, Alexandrite lasers.
  • Optical Parametric Oscillation (OPO)/Amplification (OPA) pumped by 308, 355, 532 and 1064 nm
  • Autocorrelation (in thin crystals) in picosecond and femtosecond laser systems.

We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer’s specifications, reflectivity curves are applied upon request.

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