FELH0850 Dia:25.0 mm Premium Longpass Filter; Cut-On Wavelength: 850nm
- Type
- Filter
- Subtype
- Longpass Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- Cut On Frequency
- 850 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458448271212196
- λ
- 588 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
FELH0850 Dia:25.0 mm Premium Longpass Filter; Cut-On Wavelength: 850nm
The FELH0850 is a high-quality longpass filter, manufactured by Thorlabs, a renowned vendor in the optical industry. This filter is specifically designed with a cut-on wavelength of 850nm, making it ideal for applications that require the removal of shorter wavelengths from the light path.
The filter is circular in shape, with a diameter of 25.0 mm, providing a substantial surface area for light to pass through. It has a thickness of 3.5 mm, ensuring durability and rigidity. The FELH0850 is made from UVFS material, identified as MAL-1965, which is known for its excellent optical properties.
The coating on both the front and back of the filter is THO FELH0850, which is a premium coating designed to enhance the filter's performance. The filter's geometry is that of a thin lens, further optimizing its light transmission capabilities.
The FELH0850 is currently in stock and available for immediate purchase through the Thorlabs website. For more information, you can visit the product page at https://www.thorlabs.com/thorproduct.cfm?partnumber=FELH0850.
