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You are here:   » Products » Optical Technologies » Equipment » Spectrometers » ORIEL Spectroscopy Instruments » Miniature Monochromator

ORIEL Spectroscopy Instruments

Miniature Monochromator

Key Features

  • Low cost, very compact instruments for general spectroscopy applications
  • 74 mm focal length, moderate resolution
  • Manual and stepping motor driven models
  • VIS - NIR (190 nm to 1.2 µm) models
  • Optional VIS-NIR light source


Miniature Monochromator

The Oriel Mini-monochromators are low cost, compact and simple-to-use instruments for moderate resolution applications and are ideal for general laboratory experiments and educational studies covering fixed wavelength ranges and not requiring sub-nanometer resolutions. The focal length of these instruments is 74 mm; the F/# is 3.9.
For demanding spectroscopy applications, please refer to our long focal length, MS257™ 1/4 m Monochromator and Imaging Spectrograph..

Manual and Motorized Versions
Oriel offers two families of Mini Monochromators:

Manual Monochromators
These models have a knurled knob, which causes a precision lead screw/sine bar mechanism to rotate the grating. A digital counter displays the wavelength in nanometers, to 0.2 nm.

Motorized Monochromators
For scanning applications, we recommend that you choose a motorized monochromator. These instruments use a stepping motor driven by an external motor controller with a USB interface. Included with the controller is an application program with over 25 commands to control a variety of operations of the grating drive. These motorized models also include a manual drive and a digital counter that displays the wavelength to 0.2 nm.


  • For moderate resolution applications
  • General laboratory experiments
  • Educational studies



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