A number of optical window options are available for both cold (radiation shield) and warm sides (vacuum housing) of the system. Unless otherwise noted, 30mm diameter windows are 3.0 mm thick and 50mm diameter windows are 4.0mm thick.

Windows can be purchased in three different kits:

• Radiation only
  Radiation shield window kit contains: 5x30mm windows; 2x spare radiation shield window collar

• Vacuum only
  Vacuum housing window kit contains: 5x50mm windows; 2x housing window O-Rings

• Full Window set (contains both Radiation and Vacuum sets)

Available window substrates:  

- BK-7 - uncoated

- Fused Silica

- VIS-NIR coated or uncoated

- Sapphire (30mm dia. x 1.0mm; 50mm dia. x 2.0mm thickness)

- Calcium Fluoride - uncoated

- TPX (30mm dia. x 2.0mm; 50mm dia. x 3.5 mm thickness)

- Zinc Selenide - 3-12µm IR coated  

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