Et740-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Chroma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 760 nm
- Cut On Frequency
- 720 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.454435618650584
- λ
- 740 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
Et740-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter
The Et740-40X is a Bandpass Filter, specifically designed and manufactured by Chroma. This filter, with a circular base shape, is part of the UVFS MAL-1965 material ID family. It boasts a diameter of 25 mm and a thickness of 1 mm, making it a compact yet effective optical component.
The filter's primary function is to allow light in a specific wavelength range to pass through while blocking out other wavelengths. In this case, the cut-on wavelength is 720, and the cut-off wavelength is 760, with the central wavelength at 740. This makes the Et740-40X ideal for applications that require the precise filtering of light in the 740 nm range.
The Et740-40X is coated on both the front and back with Chroma's proprietary coating, identified as 'chr et740 40x'. This coating enhances the filter's performance and durability, ensuring optimal functionality and longevity.
The filter's shape is classified as a Thin Lens, further expanding its potential applications. The catalog number for this item is Et740-40X, and it is currently in stock. For more detailed information, users are encouraged to visit the product page at https://www.chroma.com/products/parts/et740-40x.
