China Germanium Aspherical Lens Optical Lenses Night Vision

Germanium plano-convex lenses have a very low absorption in the infra-red. Positive focusing Germanium lenses are perfect for thermal imaging and Carbon Dioxide laser focusing applications.

We supply uncoated but a range of anti-reflection coatings can be applied as well.

Standard Specifications:

Optical Material:
Diameter Tolerance:
Design Wavelength:
Design Index:
Paraxial Focal Length:
Centration:
Clear Aperture:
Surface Quality:
Wavefront Distortion:
Bevel:
Coating:

High quality single-crystal Germanium
+0.0, -0.15mm
10.6um
4.0028 at 10.6um
±2%
3 arc minutes
>85%
60-40 scratch and dig
lambda/2 at 632.8nm
<0.25mm X 45°
available upon request

Standard Germanium Plano-Convex Lenses:

Dia(mm)

f(mm)

R1(mm)

tc(mm)

te(mm)

Product Number

25.40

38.10

114.40

3.7

3.0

ICC-PLCXG0501

25.40

50.80

152.54

3.5

3.0

ICC-PLCXG0502

25.40

63.50

190.68

3.4

3.0

ICC-PLCXG0503

25.40

76.20

228.81

3.3

3.0

ICC-PLCXG0504

28.00

38.10

114.40

3.8

3.0

ICC-PLCXG0505

28.00

50.80

152.54

3.6

3.0

ICC-PLCXG0506

28.00

63.50

190.68

3.5

3.0

ICC-PLCXG0507

28.00

127.0

381.35

3.3

3.0

ICC-PLCXG0508

38.10

50.80

152.54

7.2

6.0

ICC-PLCXG0509

38.10

63.50

190.68

6.9

6.0

ICC-PLCXG0510

38.10

76.20

228.81

6.8

6.0

ICC-PLCXG0511

38.10

127.0

381.35

6.5

6.0

ICC-PLCXG0512

38.10

190.5

572.03

6.3

6.0

ICC-PLCXG0513