35-879 25 mm Dia. Hard Coated OD 4.0 10nm Bandpass Filter; t=3.5 mm 260nm

The 35-879 is a 25 mm diameter Bandpass Filter, specifically designed for use in the ultraviolet (UV) spectrum with a center wavelength (CWL) of 260nm. This filter is sourced from Edmund Optics, a leading vendor in the optical industry, and is part of their extensive catalog of optical elements.

The filter is made from UVFS Mal-1965 material, a common choice for UV applications due to its excellent transmittance and stability in this region of the spectrum. The filter's base shape is circular, with a thickness of 3.5mm, providing robustness and durability.

The 35-879 features hard coating on both the front and back surfaces, denoted as 'edm 35-872'. This coating enhances the filter's resistance to environmental factors, such as dust, moisture, and scratches, ensuring longevity and maintaining optimal performance.

The filter's physical data includes a cut-on wavelength of 255nm and a cut-off wavelength of 265nm. This narrow bandwidth allows for precise filtering of specific wavelengths, making it ideal for applications requiring high spectral purity.

The filter's geometry, with a 25mm diameter, is designed to fit standard optical systems. The 'Thin Lens' shape further ensures compatibility with a wide range of optical setups.

According to the vendor's website, the 35-879 is currently in stock, indicating its availability for immediate purchase and delivery. The product's weblink is provided for easy reference and further details.