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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 |
| Standard extinction ratio | >20 dB (up to >25 dB upon custom request) |
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 | ne = 2.146, no = 2.220 @ 1300 nm ne = 2.156, no = 2.232 @ 1064 nm ne = 2.203, no = 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 |
| EKSMA Optics Lithium Niobate Crystals
45.68 kB |
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.
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- Address: Dvarcioniu st. 2B LT-10233 Vilnius, Lithuania
- Phone: (+370) 5 272 99 00
- Fax: (+370) 5 272 92 99
- E-mail: info@eksmaoptics.com
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