Eigenstate Calibration Set

Eigenstate Calibration Set

KEY FEATURES
  • Compact
  • No moving parts
  • Broad wavelength range
  • Fiber and free space versions
  • Visible and near infrared versions
DESCRIPTION
Meadowlark Optics Eigenstate Calibration Set is a tool which produces six polarization eigenstates: linear polarized light at 0, 90, +45, -45 degrees as well as circular right-handed and left-handed polarized light.

These states are created by using a precision dichroic linear polarizer in a black housing and a precision quarter waveplate in a blue housing. The housings are CNC machined so that the accuracy of the angles is better than 1 arc minute.

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Meadowlark Optics Eigenstate Calibration Set is a tool which produces six polarization eigenstates: linear polarized light at 0, 90, +45, -45 degrees as well as circular right-handed and left-handed polarized light.
 
These states are created by using a precision dichroic linear polarizer in a black housing and a precision quarter waveplate in a blue housing. The housings are CNC machined so that the accuracy of the angles is better than 1 arc minute. Pins on the housings mate to a v-groove and a flat groove in a quasi-kinematic fashion, while magnets provide holding force. This scheme facilitates precise, simple and fast indexing of the polarization eigenstates. Large arrows on the housing indicate the transmission axis of the polarizer and the fast axis of the waveplates for ease of use. Available for wavelength ranges from 450-1700 nm.
 
Eigenstate Retarders are additional retarders that can be purchased at the same time as your Eigenstate Calibration Set and Polarimeter. Wavelengths available from 450-1700 nm.
 
Applications
  • Ellipsometry
  • Polarization control
  • Polarization analysis
  • Calibration accessory for
  • PMI Series polarimeters

 

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Specifications - Eigenstate Calibration Set
Specifications for Monochromatic Eigenstate Calibration Set
Retardance Accuracy λ/350
Thickness 0.79 ± 0.015 in (20.06 ± 0.38 mm)
Clear Aperture 0.32 in (8.13 mm)
Specifications for Broadband Eigenstate Calibration Set
Wavelength Range - VIS 400-800 nm
Wavelength Range - NIR 690-1200 nm
Wavelength Range - IR 1100-2000 nm
Retardance Accuracy λ/200
Thickness 1.10 ± 0.02 in (27.94 ± 0.51 mm)
Clear Aperture 0.197 in (5.0 mm)
 

 

Ordering Information
Polarizer and Retarder Calibration Sets
Single Wavelength Eigenstate Calibration Set ECS - λ
(please specify your operating wavelength λ in nm when ordering)
Broadband Eigenstate Calibration Set - VIS ECS - VIS
Broadband Eigenstate Calibration Set - NIR ECS - NIR
Broadband Eigenstate Calibration Set - IR ECS - IR
Calibration Retarders or Polarizers (Individual Components)
Single Wavelength Eigenstate Retarder EGR - λ
(please specify your operating wavelength λ in nm when ordering)
Broadband Eigenstate Polarizer EGP - GTP
Achromatic Eigenstate Retarder - VIS
(450-800 nm)
EGR - VIS
Achromatic Eigenstate Retarder - NIR
(690-1200 nm)
EGR - NIR
Achromatic Eigenstate Retarder - IR
(1100-2000 nm)
EGR - IR