68-421 25 mm Dia. 80:20 (R:T) N-BK7 Plate Beamsplitter; t=3mm VIS 400-700nm
- Type
- Beam Splitter
- Subtype
- Thin BS
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167817367777034
- λ
- 588 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
68-421 25 mm Dia. 80:20 (R:T) N-BK7 Plate Beamsplitter; t=3mm VIS 400-700nm
The 68-421 is a 25 mm diameter beamsplitter, specifically designed for the visible light spectrum (400-700nm) with a plate beamsplitter configuration. This beamsplitter is sourced from the reputable vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The beamsplitter is made from N-BK7 Schott, a high-quality optical glass, and has a thickness of 3mm. It features an 80:20 (R:T) splitting ratio, meaning that 80% of the incident light is reflected, while 20% is transmitted. This ratio is consistent across the entire visible light spectrum, making it suitable for a wide range of applications.
The front surface of the beamsplitter is coated with EDm 68-417, a proprietary coating developed by Edmund Optics. This coating enhances the beamsplitter's performance, ensuring optimal reflection and transmission of light.
The beamsplitter is designed in a thin lens shape, which is beneficial for applications where space is a constraint. Despite its thin profile, it maintains high performance standards, making it a versatile choice for various optical setups.
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