FSQ-KG2 50.8 x 50.8 mm Heat Absorbing Glass Shortpass Filter VIS

The FSQ-KG2 is a high-quality shortpass filter designed for use in the visible light spectrum, manufactured by the reputable vendor MKS/Newport. This filter is characterized by its rectangular shape, with a width and height of 50.8 mm each, and a thickness of 3 mm, making it suitable for a wide range of optical applications.

The filter's primary function is to allow the transmission of light with wavelengths shorter than 588 nm, while effectively blocking light with longer wavelengths. This is achieved through the use of a specialized coating, denoted as 'new kg-2' on both the front and back surfaces of the filter. This coating is designed to absorb heat, thereby reducing the potential for thermal damage to the filter or adjacent optical components.

The FSQ-KG2 filter is designed in the shape of a thin lens, which can be beneficial in certain optical configurations. The catalog number for this filter is FSQ-KG2, and it can be found on the Newport website at https://www.newport.com/p/FSQ-KG2. The link has been verified and is currently in stock, indicating its availability for immediate purchase and use.