87-197 25 mm Dia. Infrared (IR) Neutral Density Filter; OD 0.6 2-14µm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 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
87-197 25 mm Dia. Infrared (IR) Neutral Density Filter; OD 0.6 2-14µm
The 87-197 is a Neutral Density Filter with a 25 mm diameter, designed for use in the infrared (IR) spectrum with a wavelength of 588 nm. This filter is manufactured by Edmund Optics, a leading vendor in the optical industry, and is available for purchase through their website. The filter's catalog number is 87-197, and it is currently in stock.
This filter is made of Germanium Burnett, a material known for its excellent optical properties in the IR spectrum. It features a thin lens shape, with a thickness of 1 mm, making it suitable for use in various optical systems. The filter is coated on both the front and back sides with the EDM 12-005 coating, which enhances its performance and durability.
The Neutral Density Filter is a type of optical filter that reduces the intensity of light without altering its color. This particular filter has an Optical Density (OD) of 0.6, which corresponds to a transmission of 32% (1/3) of the incident light. This makes it suitable for applications where moderate light reduction is required.