Wuhan Siwer Optics Co.,Ltd
| Payment Terms | T/T, Western Union |
| Supply Ability | 3000 pieces/month |
| Delivery Time | 3-5 weeks |
| Packaging Details | 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler |
| Material | Single Crystal Silicon |
| Diameter | 19+0/-0.1mm |
| Thickness | 1.5+/-0.1mm |
| Surface quality | 60/40 |
| Surface flatness | Lambda/4 in 25.4mm |
| Parallelism | 0.01mm |
| Standard coating | AR/AR@4-4.5um,Tavg>96% |
| Usage | Flame detector |
| Chamfer | 0.2mm |
| Brand Name | Wuhan Siwer Optics |
| Place of Origin | Wuhan,China |
View Detail Information
Explore similar products
High Precision Single Crystal Germanium Windows With AR And DLC Coatings
Rectangular Infrared Window , AR And DLC Coated Customized Ge Window
25.4mm Diameter Protected Germanium GE Windows With Customized Size
AR And DLC Coatings Infrared Window , 25.4mm Diameter 8-12um Germanium Windows
Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 3000 pieces/month |
| Delivery Time | 3-5 weeks | Packaging Details | 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler |
| Material | Single Crystal Silicon | Diameter | 19+0/-0.1mm |
| Thickness | 1.5+/-0.1mm | Surface quality | 60/40 |
| Surface flatness | Lambda/4 in 25.4mm | Parallelism | 0.01mm |
| Standard coating | AR/AR@4-4.5um,Tavg>96% | Usage | Flame detector |
| Chamfer | 0.2mm | Brand Name | Wuhan Siwer Optics |
| Place of Origin | Wuhan,China | ||
| High Light | ir window ，optical window | ||
A flame detector usually needs to detect 4.4um infrared light. Our silicon protection window can not only cut off the interference light of visible light and near-infrared light, but also has a very competitive price.
| Material | Single Crystal Germanium |
| AR Coating Range | 3-5um |
| Reflectance over AR Coating Range @ 0° AOI | Ravg < 1.5%,3-5um |
| Transmission over AR Coating Range @ 0° AOI | Tavg > 97%,3-5um |
| Diameter Tolerance | +0.0/-0.1 mm |
| Thickness Tolerance | ±0.1 mm |
| Parallelism | 3 arc min |
| Surface Quality | 60-40 Scratch-Dig |
| Surface Flatness (Plano Side) | λ/2 at 633nm |
| Surface Irregularity (Peak to Valley) | λ/2 at 633nm |
| Clear Aperture | >Ø10.16 mm (Ø1/2" Lenses) >Ø20.32 mm (Ø1" Lenses) |
| Design Wavelength | 10.6 μm |
| Chemical Formula | Si |
| Molecular Weight | 28.09 |
| Crystal Class | Cubic |
| Lattice Constant, Å | 5.43 |
| Density, g/cm3 at 293 K | 2.329 |
| Dielectric Constant for 9.37 x 109 Hz | 13 |
| Melting Point, K | 1690 |
| Thermal Conductivity, W/(m K) at 125K at 313K at 400K | 598.6 163 105.1 |
| Thermal Expansion, 1/K at 75K at 293K at 1400K | -0.5 x 10-6 2.6 x 10-6 4.6 x 10-6 |
| Specific Heat, cal/(g K) at 298K at 1800K | 0.18 0.253 |
| Debye Temperature, K | 640 |
| Bandgap, eV | 1.1 |
| Solubility in water | None |
| Knoop Hardness, kg/mm2 | 1100 |
| Mohs Hardness | 7 |
| Young's Modulus, GPa | 130.91 |
| Shear Modulus, GPa | 79.92 |
| Bulk Modulus, GPa | 101.97 |
| Poisson's Ratio | 0.28 |
Procedure
What's the way of shipping?
We accept DHL, Fedex, TNT, UPS, SF, EMS etc. If you have your own express account, it's great.
How to pay?
(1) T/T, PayPal, West Union,etc
(2) Bank Fee: West Union-USD30.00(≤USD3000.00),
T/T-USD20.00+, PayPal-5%. Please consult the local bank.
What's the deliver time?
For inventory: the delivery time is around 5 workdays.
Customized products: the delivery time is 10 to 30 workdays. According to the quantity and precision.
Can I customize the products based on my need?
Yes, we can customize the material, specifications and optical coating for your optical components based on your needs. OEM is available.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Ecer Certification：
Active Member
Company profile Wuhan Siwer Optics is a professional manufacturer of various optical components.We focuses on production of optical interference filters,infrared and visible optical components. The company has optical optimization design, precision optical processing and optical coating technolo... Company profile Wuhan Siwer Optics is a professional manufacturer of various optical components.We focuses on production of optical interference filters,infrared and visible optical components. The company has optical optimization design, precision optical processing and optical coating technolo...
Get in touch with us
Leave a Message, we will call you back quickly!