SLSQK-30-150N 30.0 mm Dia. x -150.0 mm FL; Plano-Concave Lens Uncoated

OptoSigma's SLSQK-30-150N is a fused silica plano-concave lens, uncoated and designed for general use. This lens boasts a diameter of 30.0 mm and a focal length of -150.0 mm, making it suitable for a wide range of optical applications.

The lens's geometry is characterized by a thickness edge of 3.7 mm and a thickness center of 2 mm, ensuring robustness and precision. The inner and outer radii are both 0 mm, indicating a planar surface on one side and a concave surface on the other. The lens's radius of curvature (r1) is -69 mm, and its back focal length (bfl) is -151.4 mm, further emphasizing its concave nature.

The lens is made of fused silica, a material known for its excellent optical properties, including high transparency, low autofluorescence, and high resistance to thermal shock and chemical etching. The material ID for this lens is "fused sil mal-1965", providing a unique identifier for this specific type of fused silica.

The lens is designed to operate at a wavelength of 546.1 nm, making it suitable for applications that use this specific wavelength. It is uncoated, meaning it does not have any additional layers to enhance its optical properties. However, this also means that it is more cost-effective and versatile, as it can be used in a variety of applications without the need for specialized coatings.