Product type: as Per Demand. Application: Lighting, Medical, Optical, Photography, Laser System. Model: RAY-XS078#.
Overview
Infrared Germanium Lens/Infrared Ge Lens/IR Germanium Lens/IR Ge Lens: an optical lens in Germanium Wafer (Germanium substrate). Listed geometry: as per demand shape. Optical / electrical data: transmittance 90%-95%. Coating: Uncoating/Uncoating. Typical applications: Lighting, Medical, Optical, Photography and Laser System. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Germanium Wafer |
|---|---|
| Substrate | Germanium |
| Type | as Per Demand |
| Shape | as Per Demand |
| Transmittance | 90%-95% |
| Coating | Uncoating/Uncoating |
| Usage | Lighting, Medical, Optical, Photography, Laser System |
| Model NO. | RAY-XS078# |
| Lenses Color | Clear |
| Size Tolerance | +0/-0.2mm |
| Surface Finish | 60-40 Scratch-Dig |
| Central Thickness Tolerance | +/-0.1mm |
| Main Applying | 1).Infrared thermometers |
| Main Technical Data | Technical Data |
| Unit | mm |
| Main Cooperation Materials Manufacturers | CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,J-FIBER,ETC |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Technical Data | Description & Value |
|---|---|
| Substrate | Germanium |
| Size Tolerance | +0/-0.2mm |
| Central Thickness Tolerance | +/-0.1mm |
| Center Deviation | 3 arc min |
| Aperture | 3 |
| Local Aperture | 0.5 |
| Surface Finish | 60-40 scratch-dig |
| Effective Aperture | More than 90% |
| Coating | Infrared AR coating |
| No. | Dia. | I.F.L | B.F.L | C.T. | E.T. | R.O.C |
| RAY-IGL01# | 25 | 25 | 24.25 | 3.0 | 1.95 | 75.10 |
| RAY-IGL02# | 25 | 30 | 29.25 | 3.0 | 2.13 | 90.12 |
| RAY-IGL03# | 25 | 35 | 34.25 | 3.0 | 2.25 | 105.14 |
| RAY-IGL04# | 55 | 40 | 39.25 | 3.0 | 2.35 | 120.16 |
| RAY-IGL05# | 70 | 50 | 49.25 | 3.0 | 2.48 | 105.19 |
| RAY-IGL06# | 70 | 75 | 74.25 | 3.0 | 2.65 | 225.29 |
| RAY-IGL07# | 85 | 100 | 99.25 | 3.0 | 2.74 | 300.39 |
| RAY-IGL08# | 85 | 150 | 149.25 | 3.0 | 2.83 | 450.38 |
| RAY-IGL09# | 100 | 250 | 249.25 | 3.0 | 2.90 | 750.97 |
| Other size | Customize |
What to specify when you request a quote
- Material — listed as “Germanium Wafer”; name the glass or crystal.
- Geometry — listed as “+0/-0.2mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60-40 Scratch-Dig”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “+/-0.1mm”; state centration and edge chamfer.
- Coating — listed as “Uncoating/Uncoating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Production: A Step-by-Step Manufacturing Guide. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. 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.
