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 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
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 professional premium supplier, we provide Anamorphic Lenses, Collimating Lenses, Fisheye Lenses, Beam Expander, optical assembly manufacturing, ge aspheric zoom lens, germanium ir window, infrared lensesand etc. Want to know more? Please contact us.
在线联系供应商
Other supplier products
 |
MWIR Lenses | Hyperion Optics hold sophisticated algorithm for optics design optimization process back-up by powerful workstations. The unique optimization allow... |
 |
Chalcogenide Lenses | chalcogenide glassis containing one or more chalcogens (sulfur, selenium and tellurium, but excluding oxygen). Chalcogenide components are becoming... |
 |
Achromatic Lenses | Achromatic Spherical Lenses, Cemented Lenses, Bonded Lenses, Doublet, Triplet With over a decade of production experience, we have significantly... |
 |
Sapphire Lenses | Sapphire Lenses Sapphire is the best medium for spherical lenses that require a broad spectrum of light transmission and high optical clarity, e... |
 |
Multichannel Filter | Multichannel filterdiffer from conventional bandpass filters by allowing only one continuous band of light to pass through it, allowing two or more... |
Same products
 |
Air insulated Dry type transformer VPI | 卖方: TAILI ELECTRIC CO.,LTD. | Air insulated Dry type transformer VPI TAILI SG(B) air-barrier dry-type transformer( VPI) is des... |
 |
Cast Resin Dry Type Transformer with Cooling Fan | 卖方: TAILI ELECTRIC CO.,LTD. | Cast Resin Dry Type Transformer with Cooling Fan Taili’s advanced epoxy resin casting proc... |
 |
1250kVA Dry type Transformer for Bangladesh | 卖方: TAILI ELECTRIC CO.,LTD. | 1250kVA Dry type Transformer for Bangladesh Taili's advanced epoxy resin casting process ensures... |
 |
35kV Dry-type transformer with OLTC | 卖方: TAILI ELECTRIC CO.,LTD. | 35kV Dry-type transformer with OLTC Taili's35kV Dry-type Transformer with OLTC (On-Load Tap Chan... |
 |
Cast Resin Dry Type Transformer | 卖方: TAILI ELECTRIC CO.,LTD. | Cast Resin Dry Type Transformer IEC/ANSICast Resin TransformersfromTAILI Electric, is difference... |
