The FGT20165 is a color glass filter from Thorlabs, boasting a diameter of 50.8 mm and a thickness of 2 mm. This filter is designed with a temperature-balancing feature, ensuring optimal performance across a wide range of temperatures. The filter's material ID is UVFS MAL-1965, and it is coated with THo FGT165-132 on both the front and back surfaces, providing excellent durability and resistance to wear and tear.
The filter has a wavelength of 588 nm and a shape that resembles a thin lens. It is available for purchase directly from Thorlabs' website, where it is currently in stock. The catalog number for this item is FGT20165. For more detailed information, users can refer to the product's webpage at https://www.thorlabs.com/thorproduct.cfm?partnumber=FGT20165.