COL-3 mirror collimator

The COL_3 collimator has been designed for use with Bentham monochromators in situations where a monochromatic, parallel beam of light is required, without the chromatic aberrations of a lens-based system. 

Using an ellipsoidal mirror and a parabolic mirror, four interchangeable apertures are provided, allowing the user to optimize the flow/power compromise. An adjustable iris diaphragm allows the user to define a beam diameter between 1 and 12 mm. 

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