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.