| Specification | WG60530 | WG61050 |
|---|
| Thickness | 3 mm | 5 mm | | Thickness Tolerance | ±0.3 mm | | Axis Orientation | ±0.5° | | Diameter Tolerance | +0.0 / -0.2 mm | | Surface Quality | 20-10 Scratch-Dig | | Parallelism | ≤5 arcmin | | Surface Flatness (@633 nm) | λ/8 over Clear Aperture | | Clear Aperture | >90% Diameter |
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Features- T ≥ 94% for λ = 200 nm to 6 μm
- >50% Transmission at 120 nm
- Ø1/2" and Ø1" Versions Available
- MgF2 Substrate
Thorlabs' Magnesium Fluoride windows are available in Ø1/2" and Ø1" sizes. They offer excellent transmission from deep in the ultraviolet region to the mid-infrared. MgF2 windows are extremely durable and introduce minimal aberrations. Thorlabs' MgF2 windows are cut with the optical axis parallel to the c-axis of the crystal to minimize birefringence. MgF2 windows are well suited for deep-UV applications, even extending into the vacuum-UV region. They offer >50% transmission at 120 nm, making them suitable for use with excimer laser systems, as well as applications involving the Hydrogen Lyman-α line at 121 nm. Thorlabs' MgF2 windows are also useable in the UVA, UVB, visible and IR ranges, with approximately 94% transmission from 200 - 1000 nm, and approximately 95% transmission from 1 - 6 µm.
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Magnesium Fluoride Windows, 0.12 - 6 µm
