Laser Optics

Products / Laser Optics / LiNbO3 Crystals - Hobbite.Co.,LTD-Focus lens,laser optic,Fiber crystal. – Grin len,lens,Prism,Lensarray,GlassTube,Wafer,LiNbO3,YVO4

LiNbO3 Crystals


Product Description

Hobbite® Laser Optics (LiNbO3 Crystals)

Description:

Hobbite Lithium niobate (LiNbO3) is a ferroelectric material suitable for a variety of applications. Its versatility is made possible by the excellent electro-optic, nonlinear, and piezoelectric properties of the intrinsic material. It is one of the most thoroughly characterized electro-optic materials, and crystal growing techniques consistently produce large crystals of high perfection.


	

Applications:

  • Frequency doubling for wavelengths >1μm and optical parametric oscillators (OPOs) pumped at 1064 nm as well as quasi-phase-matched (QPM) devices;
  • Pockel cells, Q-switches and phase modulators;
  • Waveguide substrates, surface acoustic wave (SAW) wafers.

	

Physical and Optical Properties:

Crystal Structure Trigonal, space group R3c
Cell Parameters a=0.515,c=13.863,Z=6
Melting Point 1255 +/-5℃
Curie Point 1140 +/-5℃
Mohs Hardness 5
Density 4.64 g/cm 3                                          
Absorption Coefficient ~ 0.1%/cm @ 1064 nm
Solubility insoluble in H2O
Relative Dielectric Constant εT11/ε0: 85
εT33/ε0:29.5
Thermal Expansion ||a, 2.0 x 10 -6/K @ 25℃
Coefficients at 25℃          ||c, 2.2 x 10 -6/K @ 25℃
Thermal Conductivity 38 W /m /K @ 25℃
Transparency Range 420 – 5200 nm
Refractive Indices n e = 2.146, n o = 2.220 @ 1300 nm
e = 2.156, n o = 2.322 @ 1064 nm
= 2.203, n o = 2.286 @ 633 m
Optical Homogeneity ~ 5 x 10 -5 /cm
Sellmeier Equations ( l in mm) o 2 (l ) = 4.9048+0.11768/(l2– 0.04750) – 0.027169l2       
e 2 ( l) = 4.5820+0.099169/( l2 – 0.04443) – 0.021950 l2  

Specifications:

Material Laser grade LiNbO3                                         
Orientation ±0.5o                                                          
Dimensional Tolerance ±0.1mm
Surface quality 20/10 Scratch/Dig per MIL-O-13830B
Flatness λ/8 @ 633 nm
Perpendicularity 5 arc min
Parallelism better than 20 arc sec
Clear Aperture > Central 90%
AR Coating AR coating with R < 0.2% at center Wavelength