Precision Interferometer – Accessories Kit

Product Code: OS-9256A


This kit can be added to the Precision (Basic) Interferometer System (OS-9255A) to enable the Twyman-Green mode. It is included in the Complete Interferometer Systems.


  • Demonstrate that cross-polarized beams will not interfere
  • Measure lens irregularities in Twyman-Green Mode
  • Measure the indices of refraction for air and glass.
  • Measure Indices of refraction for user-supplied materials.

What’s Included

  • 1 x Hand Operated Vacuum Pump (OS-8502)
  • 1 x Accessory Mounts
  • 1 x Gas Cell
  • 2 x Calibrated Polarizer
  • 1 x Glass Plate
  • 1 x Rotating Component Holder
  • 2 x Twyman-Green lenses

Support Documents

Precision Interferometer Manual English 648.91 KB