Germanium Lenses
Ge Lenses
In the range of 2-12 μm, germanium is the most commonly used material for the production of spherical lenses and germanium ir 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 lenses as 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 infrared lensesstand 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 Ge aspheric zoom lensfor 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 |
||
As a reliable optical assembly manufacturingcompany, we can offer kinds of related products for sale, anything you need, please contact us.
Send product request
Other supplier products
 |
Optical Dome | sare widely used for commercial applications which require protective boundary between different environments; domes perform as windows, providing ... |
 |
Penta Prism | Penta Prisms are used to define right angles in optical systems. Penta Prisms, which provide right handed images, feature a ray deviation of 90°... |
 |
Chalcogenide Lenses | Chalcogenide glassis containing one or more chalcogens (sulfur, selenium and tellurium, but excluding oxygen). Chalcogenide components are becoming... |
 |
F-theta Lenses | The F-thetascanning lenses are commonly used in laser scanning systems that employ two-axis galvanometers to scan a specified area but cannot toler... |
 |
Achromatic Triplet Lenses | A achromatic tripletlens is a compound lens consisting of three single lenses. The triplet design is the simplest to give the required number of de... |
Same products
 |
IMX291 (1/2.8 ) 1920*1080 30fps camera module with 130dgree | Seller: Huiber Vision Technology Co., Ltd | Experience crystal-clear imaging like never before. Our IMX291 camera module boasts a high-resolu... |
 |
4MPixel HD Dual Lens 3D Synchronous Depth Measurement Camera Module | Seller: Huiber Vision Technology Co., Ltd | *Size:139*22*17.3±0.5 MM *Sensor：OV4689*2(1/3'') *Maximum Resolution：384... |
 |
Satellite Hardware | Seller: Chang Guang Satellite Technology Co., Ltd. | The satellite communication hardwares of CGSTL mainly consist of satellite products, CubeSat plat... |
 |
SATELLITE GROUND SYSTEMS | Seller: Chang Guang Satellite Technology Co., Ltd. | The mission of the ground satellitesystem is to track, measure and control the earth resources sa... |
 |
Tesoo Short Focal Length Lens | Seller: Shenzhen Tesoo Optical Co., Ltd. | Tesoo short focal lensadds extra abstraction and dynamism to images, the previous mundane scenes ... |
