FB2250-500 Dia. 1 in IR Bandpass Filter; CWL=2.25 µm; FWHM=500nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- Cut Off Frequency
- 2500 nm
- Cut On Frequency
- 2000 nm
Material
- Name
- Sapphire ow
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7322560974284797
- λ
- 2250 nm
- B1
- 1.4313493
- C1
- 0.005279926 μm2
- B2
- 0.65054713
- C2
- 0.014238265 μm2
- B3
- 5.3414021
- C3
- 325.0178341 μm2
FB2250-500 Dia. 1 in IR Bandpass Filter; CWL=2.25 µm; FWHM=500nm
The FB2250-500 is a high-quality bandpass filter developed by Thorlabs, a leading vendor in the optical industry. This filter is specifically designed for infrared (IR) applications, with a central wavelength (CWL) of 2.25 µm and a full width at half maximum (FWHM) of 500nm.
The filter is made from sapphire ow mal-1972, a material known for its excellent optical properties and durability. It features a circular base shape with a diameter of 1 inch (25.4mm) and a thickness of 3mm, making it compatible with a wide range of optical systems.
The FB2250-500 is coated on both the front and back sides with Thorlabs' proprietary coating (tho fb2250-500), which enhances its performance in IR applications. The filter is designed with a thin lens shape, which contributes to its high optical quality and versatility.
According to the vendor's information, the filter is currently in stock and can be purchased directly from Thorlabs' website using the provided catalog number. The link to the product page is also provided for your convenience.