Used in infrared optical lens Ge Meniscus lens
Used in infrared optical lens Ge Meniscus lens
Meniscus lens is concave-convex lens.
The lens has an outer convex mirror and an inner concave mirror.
If the outward radians are greater than the inward radians, the lens has a positive focal length and is used as a magnifying glass.
Map Optics offers both uncoated and IR4 coated meniscus lenses.
Germanium (Ge) substrates are suitable for infrared applications.
Conventional parameters
| Material | Ge |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Design Wavelength | 10.6μm |
| Surface Quality | 60/40 scratch and dig |
| Clear Aperture | >90% |
| Flatness | N<3(0.5)@632.8nm |
| Centration | <3 arc minutes |
| Focal Length Tolerance | ±2% |
| Chamfer | Protective<0.5mmx45° |
Coating curve
Packing Details :Use Good and Strong Cartons to pack
We offer more transportation options
FAQ
Q: What are your main products?
A: Optical lens,mirrors,windows,filters,prisms
Q: How long is your delivery time?
A: In general delivery time is about one month for custom produced optics.except stock ones or some special optics.
Q: Do you provide samples ? is it free or extra ?
A: We can provide free samples if we have stock optics as your request,while custom produced samples are not free.
Q:What is your MOQ ?
MOQ is 10pcs for most of the optics, while MOQ could be only one piece if you need a element in big dimention.
Q: What is your terms of payment ?
T/T,L/C,VISA,Paypal,Alipay or Negotiation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.