47-195 25 mm Dia. UVFS Round Protective Flat Window; t=3 mm Uncoated
- Type
- Window
- Subtype
- Flat Window
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4584623418371967
- λ
- 587.6 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
47-195 25 mm Dia. UVFS Round Protective Flat Window; t=3 mm Uncoated
The 47-195 is a 25 mm diameter, 3 mm thick uncoated flat window made from UVFS material, sourced from Edmund Optics. This window, with its thin lens shape, is designed to protect optical systems while minimally affecting the light path.
The UVFS material, also known as UV fused silica, is a high-purity silica glass with excellent transmission properties in the ultraviolet, visible, and near-infrared regions. It is highly resistant to thermal shock and has a low coefficient of thermal expansion, making it an ideal choice for applications requiring high optical performance and environmental stability.
The window's 25 mm diameter provides a generous aperture, suitable for a wide range of optical systems. The 3 mm thickness, while maintaining a high level of optical quality, offers sufficient mechanical strength for most protective window applications.
The uncoated surface of the window ensures high transmittance across a broad spectrum but may exhibit higher reflectance compared to coated surfaces. However, this can be advantageous in certain applications where anti-reflection coatings may not be desired.
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