FIR-ND20 25.4 mm Dia. Infrared Neutral Density Filter 2000-5000nm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
Material
- Name
- Germanium
- Dispersion Equation
- Sellmeier
- n (λ)
- 5.3146589099372665
- λ
- 588 nm
- B1
- 0.4886331
- C1
- 1.393959 μm2
- B2
- 14.5142535
- C2
- 0.1626427 μm2
- B3
- 0.0091224
- C3
- 752.19 μm2
FIR-ND20 25.4 mm Dia. Infrared Neutral Density Filter 2000-5000nm
The FIR-ND20 is a Neutral Density Filter with a diameter of 25.4 mm, specifically designed for the infrared spectrum, covering the wavelength range of 2000-5000nm. This filter is sourced from the reputable vendor, MKS/Newport, and is available for purchase on their website.
The filter is made of Germanium Burnett, a material known for its excellent optical properties in the infrared range. It features a thin lens shape, with a thickness of 1mm, making it suitable for various optical applications. The filter's coating, both on the front and back, is a new FIR-ND20 coating, which enhances its performance and durability.
The FIR-ND20 filter is a circular shape, a common choice for many optical systems due to its ease of alignment and integration. The catalog number for this item is FIR-ND20, making it easy to reference and order. The filter's status is currently in stock, ensuring quick delivery upon purchase.
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