NE2R13B Dia. 2 in Absorptive ND Filter; Optical Density 1.3
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5150823520020043
- λ
- 633 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
NE2R13B Dia. 2 in Absorptive ND Filter; Optical Density 1.3
The NE2R13B is a Neutral Density Filter, specifically designed for applications requiring a high level of light absorption. Manufactured by Thorlabs, this filter boasts a catalog number of NE2R13B and is available for purchase directly from their website. The filter's current status is "Valid - in stock", ensuring quick delivery for your optical project needs.
This circular filter, with a diameter of 50.8 mm, is constructed from n-bk7 schott, a material well-known for its excellent optical properties. The filter's thickness is 2.5 mm, providing robustness and stability. The NE2R13B filter features a wavelength of 633 nm, making it suitable for a wide range of optical applications.
The NE2R13B filter is coated with tho ne13a on both the front and back surfaces. This coating enhances the filter's light absorption capabilities, achieving an optical density of 1.3. The filter's shape is that of a Thin Lens, which can be beneficial in certain optical system configurations.
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