K9 Glass Plano-Concave Cylindrical Lens PG2CYX-
The edge thickness and center thickness of the K9 glass flat concave cylindrical lens have strict standards to ensure minimal wavefront distortion. In addition, it also has good thermal stability and can be used in high-temperature environments, suitable for single axis internal focusing or expanding light. It can be coated with reflective film, anti reflective film, filter film, spectroscopic film, polarizing film, and metallization film systems.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter/size | 2-300 mm |
| Focal Length | 15-5000 mm |
| ThK | 0.12-60 mm |
| Radius of Curvature | Custom |
| Design Wavelength | Custom |
| Diameter Tolerance | +0.0/-0.1 |
| Thk Tolerance | ±0.2 mm |
| Substrate Material | K9 |
| Surface Quality | 60-40 |
| Surface Accuracy | λ/4 |
| Centering | <3′ |
| Coating | Uncoated |
| Transmission Range [Substrate Material：K9] | 0.35-2μm |
| Refractive index [Substrate Material：K9；@587.5618nm] | 1.5168@587.5618nm |
| Refractive index [Substrate Material：K9；@10.6μm] | 3×10⁻²@10.6μm |
| Reflection loss [Substrate Material：K9；@587.5618nm(both sides)] | 8.1%@587.5618nm(both sides) |
| Density [Substrate Material：K9] | 2.51 g/cm³ |
| Melting Point [Substrate Material：K9] | 559 ℃ |
| Thermal Conductivity [Substrate Material：K9] | 1.114 W/(m•deg C) |
| Thermal Expansion [Substrate Material：K9；-30/+70 degC] | 7.1*10⁻⁶ |
| Specific Heat Capacity [Substrate Material：K9] | 0.858*10³ |
| Young's Modulus(E) [Substrate Material：K9] | 82 GPa |
| Bulk modulus(K) [Substrate Material：K9] | 34 GPa |
| Poisson Coefficient [Substrate Material：K9] | 0.206 |
| Solubility [Substrate Material：K9] | None |
Applications
Datasheet
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Supplier Information
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