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λ/4 N-BK7 Laser Line Windows
Original price was: $77.50.$54.25Current price is: $54.25.
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TECHSPEC® λ/4 N-BK7 Laser Line Windows are ideally suited for industrial and low power laser applications. The high tolerance design yields minimal beam distortion and scatter. Anti-reflection coatings provide <0.25% reflection at the coating’s design wavelengths.
- <0.25% Reflection at Design Wavelength
- Coatings Available for HeNe, Diode, and Nd:YAG Laser Sources
- Precision N-BK7 Substrate
- Also Available Uncoated, MgF2 Coated and VIS 0° Coated
| Bevel | Protective as needed |
|---|---|
| Parallelism (arcmin) | ≤1 |
| Substrate | N-BK7 |
| Surface Flatness (P-V) | λ/4 |
| Surface Quality | 60-40 |
| Young's Modulus (GPa) | 82 |
| Coefficient of Thermal Expansion CTE (10-6/°C) | 7.1 (-30 to +70°C)8.3 (+20 to +300°C) |
| Density (g/cm3) | 2.51 |
| Index of Refraction nd | 1.516 |
| Poisson's Ratio | 0.206 |
| Abbe Number (vd) | 64.17 |
| Edges | Fine Ground |
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