MicOS – Photoluminescence Microspectrometer

MicOS, the latest in microspectrometers is a fully integrated, versatile and cost effective microspectrometer that combines a microscope head directly coupled to a high-performance, triple gratings, imaging spectrometer that can accommodate up to 3 different detectors.

  • Operates over a wide spectral range of 200nm to 1600nm, allowing characterization of a wide range of materials such as semiconductor and biological samples.
  • Ingenious design includes an embedded digital imaging camera for real time viewing of the sample.
  • Configure either as a down-looking or side-looking microspectrometer, for samples mounted inside an upright cryostat for temperature controlled measurements.
  • Can accommodate multiple lasers, for unmatched flexibility and ease of use at a fraction of the cost of similar microspectrometer.
  • Fully controlled by our state-of-the-art LabSpec software.
  • Perfect tool for photoluminescence, electroluminescence, and photo-reflectance measurements at the microscopic level.

Key Features

  • 10, 50 and 100x objectives
  • 200 – 2000 nm
  • Excitation lasers (405, 440, 532, 633, 785 nm)
  • XYZ manual or motorised option with mapping

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Bring the microscope to your spectrometer!

Using a standard microscope for photoluminescence characterisation often means inefficient fibre-optic coupling to a microspectrometer, and difficult access for many sample configurations, such as side-emitting devices, or upright cryostats. Nor do standard microscopes offer flexibility for coupling multiple lasers for photoluminescence excitation.

HORIBA Scientific’s MicOS merges microscopy and spectroscopy, to provide optimal coupling from the sample all the way to the detector. Available in down- or side-looking configurations for side-emitting devices or upright cryostats gives you flexible sample access. An optional, fully automated stage for mapping and sample-positioning is available. The MicOS offers a flexible platform for the use of multiple lasers for sample excitation. The system includes a vision camera so you always see what you are measuring.


The MicOS can be used with any combination of laser wavelengths, both single wavelength excitation and multiple wavelength excitations.  The laser sources may either be fibre coupled to the MicOS input or assembled in a laser train to free space couple the light into the MicOS.  Fibre coupling provides ultimate flexibility, and free space coupling provides the best possible spatial resolution with high magnification objectives.

MicOS Microscope Head

The MicOS microscope head includes all of the coupling optics for directing the laser to the sample and collecting the signal and coupling it to the spectrometer and detector.  It also includes a white light source for illumination of the sample and a vision camera for viewing the sample. The optical schematic below shows the layout of the MicOS head.


A range of spectrometers are available for integrating into your own Raman experiment, with focal lengths and resolutions to suit all requirements – ranging from 140 mm to 550 mm and above.  Whether the application is for routine screening, fluorescence and photoluminescence mapping, or detailed high resolution Raman research, the microspectrometer to match is available.

  • High precision spectrometers with low stray light levels  and options for high spectral resolution
  • Gratings and sampling optics optimized for Raman
  • Upgradeable spectrometer platform ready to expand to fluorescence, PL, and optical spectroscopy


A range of detectors are available for integrating into your own Raman experiment, with different chip architectures and various degrees of cooling to suit all requirements. Whether the application is for rapid measurements or very weak Raman scattering samples, there is a detector to match.

  • High sensitivity CCD detectors for UV-VIS
  • Linear InGaAs arrays for near-IR response
  • Deep cooling for low dark current (thermoelectric or LN2 cooling)

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