NENIR05A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 0.5 AR 1050-1700nm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4440236216729967
- λ
- 1550 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
NENIR05A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 0.5 AR 1050-1700nm
The NENIR05A-C is a Neutral Density Filter, specifically designed for use in the 1050 - 1700nm wavelength range. This filter, offered by Thorlabs, is a crucial component in various optical systems where light intensity needs to be controlled or reduced without altering the color composition.
The filter boasts a circular shape with a diameter of 25 mm and a thickness of 0.8 mm, making it compatible with many optical systems. It features an SM1-threaded mount, which ensures secure and easy installation. The NENIR05A-C is coated with AR (Anti-Reflective) coatings on both the front and back surfaces, specifically designed for the 1050 - 1700nm wavelength range. This coating reduces unwanted reflections and increases transmission, thereby enhancing the overall performance of the optical system.
The NENIR05A-C provides an Optical Density (OD) of 0.5 at 1550nm, which is a measure of the filter's ability to reduce light intensity. This specific OD value indicates that the filter reduces the light intensity by a factor of 1.82, offering a significant yet controlled reduction in light intensity.
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