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COL_3 Collimator

  • COL3 collimator with open iris diaphragm
  • COL3 collimator with closed iris diaphragm

Utilising an ellipsoidal and a parabolic UV coated mirror, four interchangeable apertures are provided, allowing the user to optimise the throughput/power trade-off. An adjustable iris allows the user to set a beam diameter between 1 to 12mm.

Core benefits


  • Two mirror collimator
  • Set of four interchangeable collimating apertures
  • Iris diaphragm to adjust beam size
  • Directly mounts to monochromator exit slit
  • Optional light source mounting adaption

COL_3 Divergence

Aperture (mm)Divergence Full Angle (°)


Beam size1-12mm
Transmission range0.2-20µm


CompatibilityProvided with monochromator slit adaptor plate

Ordering Information

COL_3Reflective-optic-based collimator
45305Slit mounting plate for monochromators with internal motorised slits
45582Slit mounting plate for monochromators with external motorised slits
45581Slit mounting plate for monochromators with fixed slits

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