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SNG01
SNG01 SNG01

SNG01

SNG01 €250 +
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Product Description

Test grating for scanning near-field optical microscopy.

Grating description


  Substrate:   Quartz (0.5 mm thickness)
  Substrate size:    10×10 mm
  Rhomb material:     Vanadium
  Thickness of vanadium layer:      20-30 nm
  Active area:     Central diameter 2-5 mm array
  Transmission coefficient
  through metal coating (rhomb):
   ≤20 %
  Reflection coefficient
  from metal coating (rhomb): 
   ≥40 %
  R curvature of rhomb:     ≤50 nm

 

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