380DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 380nm

Knight Optical's 380DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to transmit light in the 380nm range. This filter is a crucial component for applications that require narrowband transmission, such as fluorescence microscopy, spectroscopy, and other optical systems where precise wavelength selection is necessary.

The filter is made from UVFS Mal-1965, a material known for its excellent optical properties in the ultraviolet range. It has a thickness of 6.1mm, providing sufficient mechanical strength while maintaining high optical quality. The filter's geometry, with a 12.5mm diameter, is suitable for most optical systems, offering a balance between size and performance.

The 380DIB12 features a cut-on wavelength of 375nm and a cut-off wavelength of 385nm, ensuring a tight passband around the central wavelength of 380nm. This precise wavelength selection is achieved through the use of interference coatings on both the front and back surfaces of the filter. These coatings, labeled as KNI 380DIB, are specifically designed to enhance the filter's performance in the desired wavelength range.

The filter's shape is defined as a Thin Lens, indicating that it has been designed to minimize optical aberrations and ensure accurate light transmission. This feature makes the 380DIB12 an ideal choice for applications that require high-resolution imaging or precise spectral measurements.

According to the vendor, Knight Optical, the 380DIB12 is currently in stock and available for immediate shipping. The filter's webpage can be accessed through the provided link, offering more detailed specifications and purchasing information.