Fused quartz plano concave lens
PRODUCT CATEGORIES
- One side of the plano concave lens is a plane and has a negative focal length. It is usually used for beam collimation, increasing (reducing) focal length or expanding (reducing) image. In order to obtain smaller spherical aberration, when the incident beam is a collimated beam, the collimated beam should be incident on the concave surface of the plano concave lens.
- With negative focal length, flat concave lens is often used in imaging or beam collimation. Coated lens is also widely used in visible light and near-infrared applications.
- Quartz lens has good transmittance from ultraviolet to near infrared (190-2200nm). Quartz material is a common optical glass for preparing optical elements.
- Quartz lens is very suitable for many limited imaging applications. Fused quartz has good uniformity and lower coefficient of thermal expansion
Technical parameters
| Items | Parameters |
|---|---|
| Material | UV fused quartz (JGS1, Corning 7980), infrared fused quartz (jgs3, Corning 7978) |
| Radius of curvature | ± 1mm - ± 50000mm ± 1% |
| Diameter | 3mm-300mm ± 0.1mm |
| Center thickness tolerance | ± 0.05mm (we can process to ± 0.01mm with high precision) |
| Center deviation | 3′(we can process to 30 ″with high precision) |
| Surface accuracy | λ/ 8 (high precision, we can process to 1 / 10λ) |
| Surface quality | 40/20 (we can process to 10-5 with high precision) |
| Effective caliber | ≥90% |
| Coating | UV AR Coating 250-400nm or arroding to the custom requirements |
spectral curve
In addition, we have thousands of stock of K9 plano convex lens, biconvex lens, plano concave lens, biconvex lens, meniscus lens and so on. The price is preferential and the quality is excellent, which can meet your demand for a small order. For details, please consult:
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