FB8500-500 Dia. 1 in IR Bandpass Filter; CWL=8.50 µm; FWHM=500nm

The FB8500-500 is a high-quality bandpass filter, designed and manufactured by Thorlabs, a leading vendor in the optical industry. This filter is specifically engineered for use in the infrared (IR) region of the spectrum, with a central wavelength (CWL) of 8.50 µm and a full width at half maximum (FWHM) of 500nm.

The filter is circular in shape, with a diameter of 1 inch (25.4mm) and a thickness of 1mm, making it compatible with a wide range of optical systems. It is constructed from silicon sal vil 1957, a material known for its excellent optical properties in the IR region.

The FB8500-500 features a thin lens shape, which is designed to minimize optical aberrations and ensure optimal performance. The filter's coating, applied to both the front and back surfaces, is a proprietary design by Thorlabs, specifically formulated to enhance the filter's performance in the IR region.

According to the vendor's information, the filter is currently in stock and available for immediate shipping. Further details, including technical specifications and purchasing information, can be found on Thorlabs' official website, using the provided catalog number.