Waveplate

Waveplate

Sono dei dispositivi ottici che alterano lo stato di polarizzazione dei raggi che li attraversano per questo sono generalmente realizzati con materiali birifrangenti.

MaterialFused Silica
Diameter tollerance+0.0/-0.1mm
Wavefront distortionλ/8, λ/4, λ/2
Retardation tollerance≤λ/300, ≤λ/300
Wavelength range260-1800nm
Parallelism≤2 arc sec
Surface quality20-10
Clear aperture≥90%
CoatingR≤0.25%@wavelength

Cemented Zero Order Waveplate

Features

  • High damage threshold
  • Wide wavelength bandwidth
  • Wide angle bandwidth

MaterialFused Silica
Tipical dimension1x1, 2x2, 3x3
Dimension tolerance+0.0/-0.15mm
Wavefront distortionλ/10@632.8nm
Retardation toleranceλ/300
Parallelism<1 arc sec
Surface quality20-10
Axis orientation0.1°
Clear aperture≥90%
CoatingR≤0.25%@wavelength
Standard waveQuarter-wave, half-wave
Standard wavelength1585, 1545, 1485, 1310, 1064, 550 (cementing)

Multi Order Waveplate

Features

  • Thickness 1mm
  • Single piece
  • High damage threshold

MaterialFused Silica
Diameter tollerance+0.0/-0.1mm
Wavefront distortionλ/10@632.8nm
Retardation tolleranceλ/300
Parallelism<5 arc sec
Surface quality20-10
Clear aperture≥90%
CoatingR≤0.20%
Standard waveQuarter-wave, half-wave

Low Order Waveplate

Features

  • Wide wavelength bandwidth
  • High damage threshold

MaterialFused Silica
Diameter tollerance+0.0/-0.15mm
Wavefront distortionλ/10@632.8nm
Retardation tolleranceλ/300
Parallelism<5 arc sec
Surface quality20-10
Axis orienatation tollerance0.5°
Clear aperture≥90%
CoatingR≤0.25%
Standard waveQuarter-wave, half-wave