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Precision Zero Order Waveplates (Retarders)


  • λ/4 and λ/2 Retardance
  • Excellent Angular Field of View
  • Birefringent Polymer Stack
  • High Damage Threshold of 500 W/cm2

Precision Zero Order Waveplates (Retarders) feature carefully aligned birefringent polymer sheets laminated between two precision N-BK7 windows, and are available in standard λ/4 and λ/2 options for common visible and NIR wavelengths. These polymer waveplates (retarders) offer excellent angular field of view because they are true zero-order retarders. Also, they will experience less than 1% retardance change over a ±10° angle of incidence. Each Precision Zero Order Waveplates (Retarders) is mounted in a metal ring with the fast axis clearly marked.

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