Infrared
         Materials

Germanium

Novotech is a global supplier of Germanium material. The company is one of the leading Germanium providers in the United States.
  

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Products
Optics - Coated/Diamond turned/polishedted/polished/blank
Lenes - Coated/Diamond turned/polishedted/polished/blank
Window - Coated/Diamond turned/polishedted/polished/blank
Dome - Coated/Diamond turned/polishedted/polished/blank
Generated/Pre-gernerated blanks
Sputtering targets
Evaporation grade material - type and size  per the requirement
Rods - type and size  per the requirement
Ingot - type and size  per the requirement
Substrate- type and size  per the requirement
 
Gerneration
Diffractives
Aspheres
Spheres
Wedges
Meniscus
Convex
Concave
Plano/Plano Flats

  
Fabrication
According to the customer's drawings
Coated to the customer's requirements
CNC generated or polished
Diamond Turned
Polished
Finely ground
Slicing
Edging
Beveling
Curve Generating
Truncation and shaping
Lapping
Conventional Polishing
CNC Polishing
Diamond Turning
  
Tolerances
Depend on the customer's requirements, shape, size and product
Surface Finish cut
Fine ground
Polished or diamond turned upon request
 
Crystal Structure
Monocrystalline or Polycrystalline
 
Grades
Optical
Laser
Electromagnetic interference (EMI) grade
Zone Refined
 
Purity
> 99.999 %
 
Orientation
<111>
<100>
Other orientation upon request
 
Conductivity
N type (Antimony doped)
P type (Boron doped)
For further questions contact the Novotech team
 
Standard Resistivity for Optical Grade
5 - 40 Ω cm
2 - 6 Ω EMI Grade shields against electromagnetic interference within millimeter and centimeter ranges
 
Simiconductor grade
0.5 - 2 Ω cm
Other resistivity range upon request
 
Transmission Range
2 - 15 μm