NDUV04B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.4
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4877929746541196
- λ
- 300 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
NDUV04B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.4
The NDUV04B is a circular Neutral Density Filter, unmounted, with a diameter of 25 mm and a thickness of 1 mm. This filter is sourced from Thorlabs, a renowned vendor in the optical industry, and is part of their UVFS series, specifically identified as UVFS Mal-1965.
The NDUV04B filter is designed with a UVFS coating on both the front and back, denoted as 'tho nduv od04'. This coating is a specialized feature that enhances the filter's performance in specific wavelength ranges. In this case, the filter is optimized for a wavelength of 300 nm.
The filter's geometry is shaped as a thin lens, which is a design that minimizes optical aberrations and distortions. This feature is particularly beneficial for applications that require high precision and accuracy.
The filter's status is 'in stock' and the vendor's website provides detailed information and purchasing options. The link to the product page is: https://www.thorlabs.com/thorproduct.cfm?partnumber=NDUV04B
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