Witness
         Samples

Custom
       Witness Samples
 
  
Novotech is a global supplier of IR materials. The company’s generating and polishing capabilities have made it an industry leader in supplying custom and standard witness samples. Novotech will generate custom polished or coated witness samples to your unique specifications, shapes and sizes. For more information see materials and coatings .
 
 
 
 
Standard
       Witness Samples
 
 
1.0in Dia X 0.040in Thick Plano Si Witness sample
Plano Silicon Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040"( +/-0.002")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in Dia X 0.118in Thick Plano SI Witness sample
Plano Silicon Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.118"( +/-0.003")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in Dia X 0.040inThick Plano Ge Witness sample
Plano Germanium Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040"( +/-0.003")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in Dia X 0.040in Thick Plano ZnS Witness sample
Plano Zinc Sulfide Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040"( +/-0.002")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in Dia X 0.040in Thick Plano ZnSe Witness sample
Plano Zinc Selenide Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040"( +/-0.002")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
1.0in Dia X 0.040in(min) Thick Si Wedge Witness sample
Wedged Silicon Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040" at thin end.
Wedge Angle: 7 deg +/- 1 deg
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
1.0in Dia X 0.118inThick Plano Ge Witness sample
Plano Germanium Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.118"( +/-0.003")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
 
1.0in Dia X 0.118in Thick Plano Zinc Selenide Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.118"( +/-0.003")
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
1.0in Dia X 0.040in(min) Thick Ge Wedge Witness sample
Wedged Germanuim Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040" at thin end.
Wedge Angle: 7 deg +/- 1 deg
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
1.0in Dia X 0.040in(min) Thick ZnS Wedge Witness sample
Wedged Zinc Sulfide Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040" at thin end.
Wedge Angle: 7 deg +/- 1 deg
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm 
 
 
1.0in Dia X 0.040in(min) Thick ZnSe Wedge Witness sample
Wedged Zinc Selenide Witness sample
Diameter: 1.000"(+0/-0.003")
Thickness: 0.040" at thin end.
Wedge Angle: 7 deg +/- 1 deg
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm