Lithium Niobate - LiNbO3 Crystals

Lithium Niobate (LiNbO3) nonlinear optical crystals for a wide range of applications:
 

  • Electro-optical modulation
  • Q-switching
  • Laser frequency conversion of wavelengths > 1 µm

Specifications of standard crystals: z-cut, both end faces polished and AR-coated @1064nm. X-faces with gold electrodes.

Delivery

Estimated delivery time: Request

Size, mm
Orientation
Coating
Code Size, mm Orientation Coating Price Delivery Add to cart
LNO-602 6x6x25 z-cut AR/AR @ 1064 nm Request Request To cart
LNO-901 9x9x25 z-cut AR/AR @ 1064 nm Request Request To cart
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STANDARD SPECIFICATIONS

Flatness λ/8 @ 633 nm
Parallelism < 20 arcsec
Surface quality 10-5 scratch % dig (MIL-PRF-13830B)
Perpendicularity < 5 arcmin
Angle tolerance < 30 arcmin
Clear aperture 90% of full aperture

 

PHYSICAL AND OPTICAL PROPERTIES

Chemical formula LiNbO3
Crystal structure trigonal
Space group R3C
Density 4.64 g/cm3
Mohs hardness 5
Optical homogeneity ~ 5 x 10-5 / cm
Transparency range 420 - 5200 nm
Absorption coefficient ~ 0.1 % / cm @ 1064 nm
Refractive indices at 1064 nm n= 2.146, n= 2.220 @ 1300 nm
n= 2.156, n= 2.232 @ 1064 nm
ne = 2.203, n= 2.286 @ 632.8 nm
Sellmeier equations (λ, μm) no2 = 4.9048 + 0.11768 / (λ2 - 0.04750) - 0.027169λ2
ne2 = 4.5820 + 0.099169 / (λ2 - 0.04443) - 0.021950λ2
Thermal expansion coefficient @ 25 °C //a, 2.0 x 10-6 / K
//c, 16.7 x 10-6 / K
Thermal conductivity ~ 5 W/m/K @ 25 °C
Thermal optical coefficient dno/dT = -0.874 x 10-6 / K at 1.4 µm
dne/dT = 39.073 x 10-6 / K at 1.4 µm
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