
The 070FN46-50S is a 50x50 mm Fused Silica Standard UV Neutral Density Filter with an Optical Density (OD) of 0.7. This filter is sourced from Andover Corporation, a renowned vendor in the optical industry. The filter is designed for use in the ultraviolet (UV), visible (VIS), and near-infrared (NIR) spectral regions, making it a versatile choice for various optical applications.
The filter's geometry is rectangular, with a width and height of 50 mm each, and a thickness of 1.5 mm. This compact size and thin profile make it easy to integrate into optical systems. The filter is made of fused silica, a material known for its excellent optical properties, including high transparency, low autofluorescence, and high damage threshold. The material ID, fused silica, is specified as fused sil mal-1965 in the item data.
The 070FN46-50S filter features a Thin Lens shape and is coated on both the front and back with the Andover Corporation's 070fn46 coating. This coating enhances the filter's performance by ensuring consistent neutral density across the entire spectral range. The coating also provides excellent environmental stability, ensuring the filter maintains its performance over time.
The filter's wavelength is specified as 588 nm, indicating its optimal performance at this wavelength. However, its broad spectral range makes it suitable for use across the UV, VIS, and NIR regions. The filter's parameters, including its geometry, material, and coating, are all designed to provide high-quality, reliable optical performance.