B270 Windows
Original price was: $28.50.$19.95Current price is: $19.95.
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TECHSPEC® B270 Windows offer a high transmission from the visible to the near infrared (NIR) and have a similar refractive index to N-BK7 while being more cost effective. These windows are often used as a protective element due to their high solarization stability and chemical resistance making them ideal for standard window applications. TECHSPEC® B270 Windows are available either uncoated, or coated with a MgF2 or VIS-NIR Anti-Reflection (AR) Coating. Custom sizes and coatings are available for OEM applications.
- Large Selection of Sizes
- Available Uncoated, MgF2, or VIS-NIR Anti-Reflection (AR) Coated
- Custom Sizes Available for Volume OEM Requirements
| Abbe Number (vd) | 58.3 |
|---|---|
| Bevel | Protective as needed |
| Coefficient of Thermal Expansion CTE (10-6/°C) | 9.4 (+20 to +300°C) |
| Density (g/cm3) | 2.56 |
| Edges | Fine Ground |
| Index of Refraction nd | 1.523 |
| Knoop Hardness (kg/mm2) | 500 |
| Poisson's Ratio | 0.22 |
| Substrate | B270 |
| Surface Quality | 60-40 |
| Young's Modulus (GPa) | 71.5 |
| Type of Window | Glass |
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