CsI Disks

  • CsI 13x2mm Disk935-3016
  • CsI 25x2mm Disk935-3516
  • CsI 32x3mm Disk935-3716
  • CsI 32x3mm Disk Drilled935-3717

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Cesium iodide (CsI) is a relatively low refractive index (1.74 @ 12 microns) material that is used as an extended spectral range replacement for potassium bromide (KBr). It is soft and hygroscopic and must be protected from humidity at all times. CsI is a difficult material to polish flat and handle while assembling for any application.

Product Information [pdf]