The FB4750-500 is a high-quality bandpass filter developed by Thorlabs, a leading vendor in the optical industry. This filter is designed with a center wavelength (CWL) of 4.75 µm and a full width at half maximum (FWHM) of 500nm, making it ideal for applications that require precise wavelength selection in the infrared region.
The filter is made from sapphire ow mal-1972, a material known for its excellent optical properties and durability. It has a circular base shape with a diameter of 1 inch (25.4mm) and a thickness of 3 units, providing a robust and compact design. The filter's physical data includes a cut-on wavelength of 4500 and a cut-off wavelength of 5000, ensuring optimal performance in its designated range.
The FB4750-500 features a thin lens shape, which is beneficial for applications that require minimal optical path differences. The front and back of the filter are coated with tho fb4750-500, a proprietary coating developed by Thorlabs to enhance the filter's performance and durability.
According to the vendor's information, the filter is currently in stock and can be purchased directly from Thorlabs' website. The item data also provides a valid weblink for easy access to the product page, ensuring users can quickly obtain additional information or place an order.