LiNbO3 Crystal For 2790 Electro-Optical Modulation
Size: 45*20*11mm
Coating: AR/AR@2790nm, R≥99%; With high threshold
| Chemical formula | LiNbO 3 |
| Crystal structure | trigonal |
| Space group | R 3 C |
| Density | 4.64 g/cm 3 |
| 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 e = 2.146, n o = 2.220 @ 1300 nm |
| n e = 2.156, n o = 2.232 @ 1064 nm | |
| n e = 2.203, n o | |
| Sellmeier equations (λ, μm) | n o 2 = 4.9048 + 0.11768 / (λ 2 - 0.04750) - 0.027169λ 2 |
| n e 2 = 4.5820 + 0.099169 / (λ 2 - 0.04443) - 0.021950λ 2 | |
| Thermal expansion coefficient @ 25 °C | //a, 2.0 x 10 -6 / K |
| //c, 2.2 x 10 -6 / K | |
| Thermal conductivity | ~ 5 W/m/K @ 25 °C |
| Thermal optical coefficient | d no /d T = -0.874 x 10 -6 / K at 1.4 µm |
| d ne /d T = 39.073 x 10 -6 / K at 1.4 µm |
| Refractive retardation | Γ=лLnr22V/λd |
| Electro-optic coefficients | R 33 =32pm/V |
| R 31 =10pm/V | |
| R 22 =6.8 pm/V | |
| Aperture | 4x4mm ~ 9x9mm |
| Length | 15~25mm |
| Tolerance of size | +/-0.1mm |
| Chamfer | <0.5mm x 45° |
| Accuracy of orientation | <5 arc min |
| Parallelism | <10 arc sec |
| Flatness | l/8 at 632.8 nm |
| Wavefront Distortion | <l/4 at 632.8 nm |
| Extinction Ratio | >400:1 @ 633nm, dia 6mm beam |
| Operating wavelength range | 1.525-1.605μm |
| Extinction ratio | <20dB |
| Half wave voltage | <6V |
| DC bias voltage | <8V |
| Input characteristic impedance | 50Ω |
| Light reflection | ≤-50dB |
| Maximum input electric power | 20dBm |
| Maximum input optical power | 10-100mW |
| Storage temperature | -40-85ºC |
| Operating temperature | -40-70ºC |
| Elastic Stiffness Coefficient c ij /(10 10 N/m 2 ) | c 11 | c 12 | c 13 | c 14 | c 33 | c 44 |
| 20.3 | 5.3 | 7.5 | 0.9 | 24.5 | 6.0 | |
| Elastic Compliance Coefficient s ij /(10 -12 m 2 /N) | S 11 | S 12 | S 13 | S 14 | S 33 | S 44 |
| 5.78 | -1.01 | -1.47 | -1.02 | 5.02 | 17.0 |
| Piezoelectric Strain Constantd ij /(10 -11 C/N) | d 11 | d 15 | d 22 | d 31 | d 33 |
| 8 | 7.4 | 2.04 | -0.086 | 1.62 |
| Dielectric Constant | ε T 11 /ε 0 | ε T 11 /ε 0 |
| 78 | 32 | |
| Electromechanical Coupling Coefficient k ij (%) | k 15 | k 31 |
| 68 | 50 |
| NLO Coefficients | d 33 = 34.4 pm/V |
| d 31 = d15 = 5.95 pm/V | |
| d 22 = 3.07 pm/V | |
| Efficiency NLO Coefficients | deff =5.7 pm/V or ~14.6 x d 36 (KDP) for frequency doubling 1300 nm; |
| deff =5.3 pm/V or ~13.6 x d 36 (KDP) for OPO pumped at 1064 nm; | |
| deff =17.6 pm/V or ~45 x d 36 (KDP) for quasi-phase-matched structure. | |
| Electro-Optic Coefficients | g T 33 = 32 pm/V, g S 33 = 31 pm/V, |
| g T 31 =10 pm/V, g S 31 =8.6 pm/V, | |
| g T 22 = 6.8 pm/V, g S 22 = 3.4 pm/V, | |
|
Half-Wave Voltage, DC
Electrical field||z, light ^z: Electrical field||x or y, light||z: |
3.03 KV |
| 4.02 KV | |
| Damage Threshold | 100 MW/cm 2 (10 ns, 1064nm) |
| Transmitted wavefront distortion | better than l/4 @ 633nm |
| Dimension tolerance | (W±0.1mm) x (H±0.1mm) x (L±0.2mm) |
| Clear aperture | over 90% central diameter |
| Flatness | l/8 @ 633nm |
| Surface quality | 20 /10 Scratch/Dig |
| Parallelism | better than 20 arc sec |
| Perpendicularity | 5 arc min |
| Angle tolerance | D q < 0.5 o , D f < 0.5 o |
| AR-coating | dual wave band AR coating at 1064/532 nm on both surfaces, with R < 0.2% at 1064 nm and R < 0.5% at 0.532 nm per surface |
Seeopto Co., Ltd. is located in Pidu District, Chengdu. We aims to provide customers with professional design of laser crystal optical lenses, Coating service and all kinds of optical elements processing include YAG based crystals, YLF-based crystals, YVO4 based crystals, glass based laser Material, bonding crystals, silicon, germanium Infrared and semiconductor materials, LBO, BBO, KTP, ZGP Equal nonlinear material, Ti: Sapphire, CaF2, MgF2.optical sapphire customized components, window and aspheric lenses, powell lens and infrared materials products,etc.
We are also interested in discussing and manufacturing new material combinations and structural geometries. Our goal is to provide high-quality composite materials that can provide solutions to your system needs, so we encourage all design submissions. Please contact us for more information and technical support.
We can not only provide kinds of optical components, but also can make various types of optical coating such us Anti Reflection (AR) coating, High-Reflecting coating, Partial Reflection coating and Polarization Beamsplitter coating etc at single wavelength or broadband wavelength. Which can improve the transmission, high reflection. In addition such as Au, Si, Al, Ti metal coatings also is available.
Application of our items are very extensive and involves in mailitary project, aerospace, industry, scientific, medical instrument, photoelectric device, optical communication and mechanical equipment and so on. In the meantime we also cooperate with internal companies, we offer optics design and OEM service!
We constantly provide our clients with′ Quality products, excellent service, competitive prices and prompt delivery′ , sincerely welcome domestic and foreign customers to establish cooperation with us, creating a bright future in optical field!
What can we do for you ?
Seeopto Co., Ltd provide professional design of laser crystal optical lenses, Coating service and all kinds of optical elements processing We are also interested in discussing and manufacturing new material combinations and structural geometries.
Our goal is to provide high-quality composite materials that can provide solutions to your system needs, so we encourage all design submissions. Please contact us for more information and technical support.
Why choose Us ?
1. Reasonable quotation. We reject unrealistic low prices. As a prerequisite, to ensure the highest quality of Optical components and offer the reasonable price.
3. Timely Delivery. We will deliver the goods timely/promptly or deliver the goods in time.
4. Convenient logistics services. We usually cooperate with the famous express logistics company, including 90% regions of the world and ensure the products can delivery to the customers safety and quickly