The FGUV11S is a 2 in x 2 in square UV-passing filter, designed and manufactured by Thorlabs. This filter is made of high-quality n-bk7 Schott glass, a material known for its excellent optical properties. The filter is designed to pass ultraviolet light within the wavelength range of 275-375nm, making it ideal for a variety of UV-based applications.
The filter features a thickness of 2mm, providing durability and stability. It is cut on at 275nm and cut off at 375nm, ensuring precise wavelength selection. The filter is coated with Tho FGUV5 on both the front and back surfaces, further enhancing its UV transmission capabilities.
The FGUV11S is shaped as a thin lens, allowing for easy integration into optical systems. It is currently in stock and available for immediate purchase through the Thorlabs website. For more information, please refer to the provided weblink.