Germanium Lenses
In the range of 2-12 μm, germanium is the most commonly used material for the production of spherical lenses and windows for high efficiency infrared in the imaging system. Germanium has a high refractive index (about 4.0 through 2-14μm band), usually do not need to be modified due to its low chromatic aberration in low power imaging systems.
Germanium optical performance is severely affected by temperature; the transmission rate decreases with the increase of temperature, most applications with Germanium elements involved can only be applied below 100 degrees Celsius. Designers also need to pay attention for certain weight constraints in system design with a density of germanium (5.33 g/cm3). Germanium is mainly used in the thermal imaging system and infrared (FLIR) field.
It is critical that the surface of the material has a promising finish and good transmittance. Hyperion Optics provides 40-20 surface quality Ge lensesas factory standard products, with up to 1/4 lambda in surface accuracy. Our outstanding CNC lathe capability has leveraged our machining efficiency to meet rapid delivery. Ge aspheric lenses stand up well to harsh environments and we offer the most popular sizes with Anti-Reflection Coatings. are also available for your application; please refer us Aspheric Lenses for more information.
High resistivity hemispherical lens available
Available with AR or DLC coating
Available in a wide variety of diameters and focal lengths
Our germanium opticsare all tested with our Zygo interferometer and spectrophotometer as standard testing items to ensure superior quality. Refer to our typical manufacturing specs for your information below.You can also contact us for manufacturing limit or custom specifications.
|
Germanium Lenses |
COMMERCIAL GRADE |
FACTORY STANDARD |
PRECISION GRADE |
|
Diameter Tolerance(mm) |
+0 / -0.05 |
+0 / -0.03 |
+0 / -0.025 |
|
Center Thickness(mm) |
±0.01 |
±0.03 |
±0.025 |
|
Radius (%) |
±1% |
±0.5% |
±0.5% |
|
Focal Length Tolerance (%) |
6 |
<3 |
<1 |
|
Cosmetic(MIL-C-13830A) |
100-80 |
40-20 |
10-5 |
|
Figure Tolerance in λ(Pow/irreg) |
5 - 2 |
2 - 1 |
1 - 1/4 |
|
Centration (Arc min) |
5' |
5' |
3' |
|
9~50:1 |
|||
|
Coating (T% avg) |
96% @ 3 - 5um / 7 - 14um. 95% @ 4 - 12um |
||
|
Materials |
Optical Grade Germanium |
||
Hyperion Optics is a leading optics supplier, we providegermanium ir window, infrared lenses, parabolic reflectors for sale, hyp designand etc. Contact usto know more about our product.
Send product request
Other supplier products
 |
Notch Filter | Hyperion Optics is a premium full-service photonics supplier. Hyp designcapabilities can meet the unique requirements of various customers. The no... |
 |
Germanium lenses | germanium lenses In the range of 2-12 μm, germanium is the most commonly used material for the production of spherical lenses and windows for h... |
 |
Windows | High Precision Windows, VIS Windows, IR Windows Hyperion Optics supply a range of custom precision grade windows,sto seal optical enclosures espec... |
 |
Microscope Lenses | Hyperion Optics is expertized in challenging custom design and manufacturing microscope objective lenses range from UV to Infrared wavelength, for ... |
 |
Chalcogenide Lenses | is containing one or more chalcogens (sulfur, selenium and tellurium, but excluding oxygen). Chalcogenide components are becoming popular in variou... |
Same products
 |
Plano concave Lenses | Seller: Shandong Yanggu Constant Crystal Optics, Inc | Plano concave Lenseshave one concave surface. It has negative focal length. It is often used to e... |
 |
Custom Plano-Concave Lenses for Laser Optics | Seller: Changchun Long Ze Precision Optics Co., Ltd | Plano-concave lensesconvert incoming parallel light rays into diverging beams that appear to come... |
 |
8.0MP 10-40mm Zoom Lens 1/1.8" F1.4 Format Machine Vision Lenses | Seller: Shenzhen Wikshu Technology Co. | Description Manual Zoom 8.0mp C Mount 10-40mm Lens Manual Aperture Machine Vision Lens 1/1... |
 |
Microscope Objective Lens | Seller: Shenzhen Canrill Technologies Co., Ltd | Microscope Objective Lens Suitable for ITO, particle detection, wafer inspection Infinity opt... |
 |
DMD Lithography Lens | Seller: Shenzhen Canrill Technologies Co., Ltd | DMD Lithography Lens We have been in close cooperation with LDI (Laser Direct Imaging) manufactu... |
