Product type: IR Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 41.
Overview
The Large Aperture Ge/Si Germanium/Silicon Infrared Optical Lenses with Coating is supplied as an optical lens made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 60-40. It is used in Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | IR Lenses |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 60-40 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 41 |
| Lenses Color | Clear |
| Polished | Yes |
| Bevel | Protective Bevel as Needed |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Large Aperture Ge/Si Germanium/Silicon Infrared Optical Lenses with Coating |
|---|---|
| Size | Dia 1mm to dia 400mm |
| Material | Silicon, germanium, zinc selenide, zinc sulfide, CaF2, MgF2, BaF2, and other IR materials |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60-40”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “Protective Bevel as Needed”; state centration and edge chamfer.
- Coating — listed as “HMC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Material Selection for Precision Glass Processing. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Infrared Windows.
