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Glass Wedges for Dispersion Fine Tuning


The glass wedges pair allows for dispersion compensation, fine tuning and optimal compression in combination with dispersion compensating mirrors such as the DCM range.

Glass wedge pairs

The dispersion characteristics of the DCM mirrors are specially designed to work together with specific glass materials, (DCM7:Calcium Floride / DCM9, DCM10, DCM11 & DCM12: Fused silica) and such pairs can be used to fine tune the dispersion and compression of pulses for the desired application.

Calcium Fluoride (CaF2)


  • Center thickness: 1.4 mm
  • Wedge dimensions: 35 (W) x 20 (H) mm
  • Wedge angle: 4°
  • Surface < lambda/6

Fused Silica


  • Center thickness: 1.4 mm
  • Wedge dimensions: 35(W) x 20(H) mm, surface < lambda/10
  • Center thickness: 2.0 mm
  • Wedge dimensions: 50(W) x 25(H) mm, surface < lambda/4
  • Wedge angle: 4°

S-D < 60/40, surface < lambda
Achievable dispersion characteristics easily computable via vCHIRP
Un-coated -> usage under Brewsters Angle
Wedge holder available (optional), see accessories

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