UQG Optics

IR Windows & Substrates
IR infrared transmitting custom made windows are made in selection of IR materials. These include semi conductor and crystal optical materials of which some are widely used for there (UV) ultraviolet properties.

Material Range
Silicon (Si)
datasheet view stock
Our optical grade Silicon windows are made from the Czochralski method producing Silicon 99.99% pure, used in optical filters and experiments.

Specification Standard
 
Diameter: +0.00/-0.10mm
Surfaces: 60/40
Thickness: ± 0.10mm
Flatness: ≤ 5 Fringes
Edges: Fine Ground
Parallelism: ≤ 3 Arc mins

 

Custom Sizes & Options
Diameters: 5mm to 200mm
Squares/Rectangles: 5mm to 140mm
Thickness: 0.50mm to 25mm
Surfaces: 80/50 to 40/20
Diameter/Thickness: ToL Up to 0.02mm
Materials: Polycrystalline, Mirror & Floatzone
Coatings: Anti-reflection

 


Germanium (Ge)
datasheet view stock
Germanium has a high ref index resulting is a natural 50% beamsplitters (uncoated). Useful transmission for lens systems and optical filters.

Specification Standard
 
Diameter: +0.00/-0.10mm
Surfaces: 60/40
Thickness: ± 0.10mm
Flatness: ≤ 5 Fringes
Edges: Fine Ground
Parallelism: ≤ 3 Arc mins

 

Custom Sizes & Options
Diameters: 5mm to 0mm
Squares/Rectangles: 1mm to 100mm
Thickness: 2mm to 20mm
Surfaces: 80/50 to 40/20
Diameter/Thickness: ToL Up to 0.02mm
Materials: Polycrystalline
Coatings: Anti reflection & Diamond

 


Other IR materials include
  • IR Quartz - stock – custom
  • Sapphire – stock – custom
  • Calcium Fluoride (CaF2)
  • Magnesium (MgF2)
  • Lithium Fluoride (Lif)
  • Barium Fluoride (BaF2)
  • Potassium Bromide (KBr)


Please send us your requirements or for further information please contact us.