- Changchun Sunday Optics Co.,ltd
- Main products: optical lens, optical coating, optical glass prism, optical window
Silicon Prism Wavelength 4000nm Flatness 1/10 lambda
- 10000 Piece / Pieces per Month
- T/T L/C PayPal
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Product Details
| Place of Origin | China | Material | Other, Silicon | |
| Usage | Infrared | Shape | Other, Prism | |
| Structure | Other, Prism |
Product Description
Silicon Has Good transmission at 1-7um. It is widely used for 3-5um infrared windows and lens.
Monocrystalline silicon is an infrared material with excellent cost performance.It can be divided into Transmissive Grade and Mirror Grade.As a transmittance material, ocZ-SI is widely used in the mid-infrared (1-6um) band, and the infrared transmittance is more than 50%. Monocrystalline silicon can be used in a wider band (1--14um), and high purity zonal fused monocrystalline silicon (HPFZ-Si) can even be used in the far infrared band (greater than 30um).
Silicon single crystal is also an excellent laser reflector material.Compared with other mirror materials such as copper and molybdenum, silicon single crystal is the preferred substrate material for CO2 laser mirrors due to its advantages of good thermal conductivity, excellent thermal stability, low thermal expansion coefficient, relatively low density, low cost, easy precision processing and so on.
Refractive index range(20℃)
| Wavelength(nm) | Refractive index(n) | Wavelength(nm) | Refractive index(n) |
| 1357 | 3.4975 | 4000 | 3.4257 |
| 1367.3 | 3.4926 | 4258 | 3.4245 |
| 1395.1 | 3.4929 | 4500 | 3.4236 |
| 1529.5 | 3.4795 | 5000 | 3.4223 |
| 1660.6 | 3.4696 | 5500 | 3.4213 |
| 1709.2 | 3.4664 | 6000 | 3.4202 |
| 1813.2 | 3.4608 | 6500 | 3.4195 |
| 1970.2 | 3.4537 | 7000 | 3.4189 |
| 2152.6 | 3.4476 | 7500 | 3.4186 |
| 2325.4 | 3.443 | 8000 | 3.4184 |
| 2714.4 | 3.4358 | 8500 | 3.4182 |
| 3000 | 3.432 | 10000 | 3.4179 |
| 3303.3 | 3.4297 | 10500 | 3.4178 |
| 3500 | 3.4284 | 11040 | 3.4176 |
Manufacture Specifications
| Diameter | 3mm to 280mm |
| Diameter Tol. | +0.00/-0.05 |
| Surface Quality | 40-20 standard |
| Flatness | 1/10 lambda |
| Chamfer | 0.25mmx45degree |
| Wedge | <1arcmin |
| Coating | 3-5um |
sales@sunday-optics.com www.sunday-optics.com Bess Zhang
Phone:+8615104452660 +8618744192450
Contact Us
- Changchun Sunday Optics Co.,ltd
Product Categories
New Products
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Germanium Window Dia 12.5 Thickness 2mm BBAR (3000-12000nm)
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Germanium Spherical Lens Dia.50mm EFL 75mm BBAR (3000-12000nm)
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Germanium Spherical Lens Dia.25mm EFL 100mm BBAR (3000-5000nm)
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Germanium Prism 12.7*18mm 2000 - 14000nm 1/4 lambda
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Germanium Prism 25.4*35.9mm Wavelength 5000 Refractive index 4.0160
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ZnSe Window Dia.20mm Thickness 2 mm BBAR (8000-12000nm)
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ZnSe Prism 12.7*12.7mm 600 - 18000nm Infrared (IR) Equilateral Prisms
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ZnSe Focus Lens Dia.12.7mm EFL 25.4mm 1/10λ BBAR (8000-12000nm)
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ZnSe Cylindrial Lens 1/10λ Coating Wavelength 8um-12um
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N-BK7 Spherical mirror Dia.25.4mm EFL 50.80mm Protected Aluminum (400-2000nm)
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Sapphire Spherical mirror Dia.50.8mm EFL 101.60mm Protected Gold (700-10000nm)
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Fused Silica Spherical mirror Dia.76.2mm EFL 457.20mm Enhanced Aluminum (450-650nm)
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Fused Silica Spherical mirror Dia.50.8mm EFL508mm Protected Aluminum (400-2000nm)
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Sapphire mirror Dia.25.4mm EFL 152.40mm Protected Gold (700-10000nm)
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Fused Silica Dielectric Mirror 5mm Dia. 320 - 450nm Broadband λ/10 Mirror
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Fused Silica Dielectric Mirror 19.1mm Dia. 320 - 450nm Broadband λ/10 Mirror
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Dielectric Mirror 50mm Dia. 320 - 450nm Broadband λ/10 Mirror
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Dielectric Mirror 12.5mm Dia. 320 - 450nm Broadband λ/10 Mirror
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Dielectric Mirror 20mm Dia. 320 - 450nm Broadband λ/10 Mirror
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Dielectric Mirror 50.8mm Dia. 750 - 1100nm Broadband λ/10 Mirror
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High Precision Powell Lens Dia.9mm Fan angle 70 Degree BBAR @ 450 - 900nm
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N-BK7 Powell Lens Dia.5mm Fan angle 30 Degree BBAR @ 450 - 900nm
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N-BK7 Powell Lens Dia.10mm Fan angle 45 Degree BBAR @ 450 - 900nm
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N-BK7 Powell Lens Dia.9mm Fan angle 60° BBAR @ 450 - 900nm
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