Skip to main content
Thermo Fisher Scientific

Nicolet Summit FTIR Beam Information


What is the aperture size of the Summit and the diameter of the beam?


  • Nicolet Summit
  • Nicolet Summit PRO


Aperture sizes and beam diameters appear in the table below. Refer to the attachment for more information.

Instrument Model Aperture Aperture Size (mm) IR Beam Diameter Sample Compartment (mm) IR Beam Diameter At Detector (mm)
Summit Fixed Aperture 1.85 5.78 1.16
Summit PRO Large Aperture 2.29 7.15 1.43
Summit PRO Small Aperture 0.81 2.53 0.51