Product type: IR Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 32.
Overview
The High Precison IR Optical Material Spherical Ge Lenses 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. Typical applications: 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 32 |
| Lenses Color | Clear |
| Polished | Yes |
| Bevel | Protective Bevel as Needed |
| Centering | <1arcmin |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Customized Infrared Spherical Optical Glass Germanium Lens |
|---|---|
| Material | Germanium(Ge) |
| Germanium (Ge) | Germanium (Ge) is popular for its high index of refraction, broad transmission range, and rugged mechanical properties |
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 Selecting Fused Silica and Quartz Glass for Precision Components. 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.


