Spherical Singlet Lenses
Diameter: 0.5—300mm
Diameter Tolerance: +/-0.02 mm
Thickness Tolerance: +/-0.05mm
Centration: <3 Arc minutes
Surface Quality: 40/20
Surface Figure: λ/4@633nm
Clear Aperture: 90%
Coating: Specified by customers
A Plano-Convex (PCX) or Double-Convex (DCX) lens causes light to focus to a point, while a Plano-Concave (PCV) or Double-Concave (DCV) lens causes the light traveling through the lens to diverge.
Yutai’s N-BK7(H-K9L) plano-convex lenses are available uncoated or with a variety of antireflection coatings. Standard lenses feature a 40-20 scratch and dig surface quality, and economy versions are available with a 60-40 scratch and dig surface quality for less demanding applications. N-BK7 is an excellent lens material for most visible and NIR applications. N-BK7 provides great performance at a good value with its high homogeneity, low bubble and inclusion content, and straightforward manufacturability.Mostly Yutai’s customers choose N-BK7 singlet lenses.
UV Fused Silica Lenses from Yutai Optics feature precision specifications and a variety of coating options on a broadband substrate. Fused Silica is commonly used in applications from the Ultraviolet (UV) through the Near-Infrared (NIR) and its low index of refraction, low coefficient of thermal expansion, and low inclusion content make it ideal for laser applications and harsh environmental conditions.UV Fused Silica Lenses feature industry leading diameter and centration specifications, making them ideal for integration into demanding imaging and targeting applications.