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 [25.4mm] Dia X 0.040in [1.016mm] Thick Plano Si Witness sample
Plano Silicon Witness sample
Diameter: 1.000" +0/-0.003") [25.4mm +0/-0.0762mm]
Thickness: 0.040" +/-0.002") [1.016mm +/-0.0508mm]
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in [25.4mm] Dia X 0.118in [2.997mm] Thick Plano SI Witness sample
Plano Silicon Witness sample
Diameter: 1.000"+0/-0.003" [25.4mm +0/-0.0762mm]
Thickness: 0.118" +/-0.003" [2.997mm +/- 0.0762mm]
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in [25.4mm] Dia X 0.040in [1.016mm] Thick Plano Ge Witness sample
Plano Germanium Witness sample
Diameter: 1.000"+0/-0.003" [25.4mm +0/-0.0762mm]
Thickness: 0.040"+/-0.003" [1.016mm +/-0.0762mm]
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in [25.4mm] Dia X 0.040in [1.016mm] Thick Plano ZnS Witness sample
Plano Zinc Sulfide Witness sample
Diameter: 1.000"+0/-0.003" [25.4mm +0/-0.0762mm]
Thickness: 0.040"+/-0.002" [1.016mm +/-0.0508mm]
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
1.0in Dia X 0.040in [1.016mm] Thick Plano ZnSe Witness sample
Plano Zinc Selenide Witness sample
Diameter: 1.000" +0/-0.003" [25.4mm +0/-0.0762mm]
Thickness: 0.040" +/-0.002" [1.016mm +/-0.0508mm]
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
1.0in [25.4mm] Dia X 0.040in(min) Thick Si Wedge Witness sample
Wedged Silicon Witness sample
Diameter: 1.000" +0/-0.003" [25.4mm +0/-0.0762mm]
Thickness: 0.040" [1.016mm] 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 [25.4mm] Dia X 0.118inThick Plano Ge Witness sample
Plano Germanium Witness sample
Diameter: 1.000" +0/-0.003" [25.4mm +0/-0.0762mm]
Thickness: 0.118" +/-0.003" [2.997mm +/- 0.0762mm]
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" [25.4mm +0/-0.0762mm]
Thickness: 0.118" +/-0.003" [2.997mm +/- 0.0762mm]
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm
 
 
1.0in [25.4mm] Dia X 0.040in [1.016mm] (min) Thick Ge Wedge Witness sample
Wedged Germanuim Witness sample
Diameter: 1.000"+0/-0.003") [25.4mm +0/-0.0762mm]
Thickness: 0.040" [1.016mm] 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 [25.4mm] Dia X 0.040in(min) Thick ZnS Wedge Witness sample
Wedged Zinc Sulfide Witness sample
Diameter: 1.000"+0/-0.003") [25.4mm +0/-0.0762mm]
Thickness: 0.040" [1.016mm] 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 [25.4mm] Dia X 0.040in [1.016mm] (min) Thick ZnSe Wedge Witness sample
Wedged Zinc Selenide Witness sample
Diameter: 1.000"+0/-0.003") [25.4mm +0/-0.0762mm]
Thickness: 0.040" [1.016mm] at thin end.
Wedge Angle: 7 deg +/- 1 deg
Surface Quality: 60/40  S/D
Flatness/Irregularity: 5/2 fringes at 632 nm 
 
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