Monochromator / Imaging Spectrograph

A monochromator is a device used to produce monochromatic light in order to determine the optical characteristics of a particular material. Many types of spectrometers and spectrophotometers rely on monochromators for light production of a uniform wavelength. In a basic monochromator setup, light is passed through a slit and bounced off of a mirror where it hits a dispersion element. The dispersion element is either a prism (reflected light) or a diffraction grating (refracted light). The dispersed light is then passed through another slit which only allows one wavelength of light to pass through. In an imaging spectrograph, the slit is replaced with a detector such as a CCD camera.

Some things to consider when purchasing a monochromator:

  • Dispersion element: whether it is a prism or diffraction grating
  • Wavelength range: most will cover the visible spectrum, but some will go beyond into the UV or IR spectra ranges
  • Sectral resolution
  • Signal-to-noise ratio

Click on the links below to compare Monochromator / Imaging Spectrograph systems from various manufacturers:

CompanyAndor TechnologyAndor TechnologyAndor TechnologyAndor TechnologyAndor Technology
ItemShamrock 500 Imaging SpectrometerKymera 193i Imaging SpectrographKymera 328i Imaging SpectrographShamrock 303 Imaging SpectrographShamrock 750 Spectrograph
Citations
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Catalog NumberSR-500KY-193KY-328SR-303SR-750
Price
DescriptionPre-aligned, pre-calibrated spectrometer detection solutions

The Andor Shamrock SR-500i imaging spectrometer is the latest addition of the Andor family of spectrometers based on Czerny-Turner optical design. The optimized optical design provides exceptional performance for multi-track Spectroscopy.
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Kymera 193i is Andor’s next generation ‘intelligent’ spectrograph platform for the Physical and Life Science ‘modular’ Spectroscopy market. It is designed to provide maximum configurability & flexibility, high spectral performance and enhanced user-experience.

Combined with Andor’s high resolution
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Kymera 328i is Andor’s next generation ‘intelligent’ spectrograph platform for the Physical and Life Science ‘modular’ Spectroscopy market. It is designed to provide maximum configurability & flexibility, high spectral performance and enhanced user-experience.

Combined with Andor’s high resolution
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"The Shamrock SR-303i is a fully automated high throughput flat field imaging triple grating turret spectrograph optimized for use with Andor's line of EMCCD, CCD, and ICCD spectroscopy detector systems.

The Shamrock SR-303i imaging spectrograph is designed for rugged, high-performance operation
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Pre-aligned, pre-calibrated detection solutions

The Andor Shamrock SR-750 is the latest addition of the Andor family of spectrographs based on Czerny-Turner optical design. The Shamrock is available as a pre-aligned detector/spectrometer option allowing for seamless integration of software,
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TypeCzerny-Turner SpectrographCzerny-Turner SpectrographCzerny-Turner SpectrographCzerny-Turner SpectrographCzerny-Turner Spectrograph
Focal Length500 mm193 mm328 mm303 mm750 mm
Spectral ResolutionInquireInquireInquireInquireInquire
DispersionInquireInquireInquireInquireInquire
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