Silicone Lens
Silicon transmits well at 1-7um, commonly used for 3-5um IR windows/lenses.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Refractive index (n) [20℃] | 3.4975 |
| Refractive index (n) [20℃; Wavelength (nm): 4000] | 3.4257 |
| Refractive index (n) [20℃; Wavelength (nm): 1367.3] | 3.4926 |
| Refractive index (n) [20℃; Wavelength (nm): 4258] | 3.4245 |
| Refractive index (n) [20℃; Wavelength (nm): 1395.1] | 3.4929 |
| Refractive index (n) [20℃; Wavelength (nm): 4500] | 3.4236 |
| Refractive index (n) [20℃; Wavelength (nm): 1529.5] | 3.4795 |
| Refractive index (n) [20℃; Wavelength (nm): 5000] | 3.4223 |
| Refractive index (n) [20℃; Wavelength (nm): 1660.6] | 3.4696 |
| Refractive index (n) [20℃; Wavelength (nm): 5500] | 3.4213 |
| Refractive index (n) [20℃; Wavelength (nm): 1709.2] | 3.4664 |
| Refractive index (n) [20℃; Wavelength (nm): 6000] | 3.4202 |
| Refractive index (n) [20℃; Wavelength (nm): 1813.2] | 3.4608 |
| Refractive index (n) [20℃; Wavelength (nm): 6500] | 3.4195 |
| Refractive index (n) [20℃; Wavelength (nm): 1970.2] | 3.4537 |
| Refractive index (n) [20℃; Wavelength (nm): 7000] | 3.4189 |
| Refractive index (n) [20℃; Wavelength (nm): 2152.6] | 3.4476 |
| Refractive index (n) [20℃; Wavelength (nm): 7500] | 3.4186 |
| Refractive index (n) [20℃; Wavelength (nm): 2325.4] | 3.443 |
| Refractive index (n) [20℃; Wavelength (nm): 8000] | 3.4184 |
| Refractive index (n) [20℃; Wavelength (nm): 2714.4] | 3.4358 |
| Refractive index (n) [20℃; Wavelength (nm): 8500] | 3.4182 |
| Refractive index (n) [20℃; Wavelength (nm): 3000] | 3.432 |
| Refractive index (n) [20℃; Wavelength (nm): 10000] | 3.4179 |
| Refractive index (n) [20℃; Wavelength (nm): 3303.3] | 3.4297 |
| Refractive index (n) [20℃; Wavelength (nm): 10500] | 3.4178 |
| Refractive index (n) [20℃; Wavelength (nm): 3500] | 3.4284 |
| Refractive index (n) [20℃; Wavelength (nm): 11040] | 3.4176 |
| Diameter | 3 mm to 280 mm |
| Diameter Tolerance | +0.00/-0.05 |
| Surface Quality | 40-20 Standard |
| Flatness | 1/10 lambda |
| Chamfer | 0.25mmx45 degrees |
| Focal length Tolerance 。 | +/-1% |
| Coating | Customer design |
Datasheet
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Supplier Information
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