FHR Series Spectrometers: High Resolution Monochromators

The FHR 1000 spectrometer, with the quickest direct drive in its class, offers a unique combination of speed, accuracy, and high resolution, entirely redefining the huge spectrometer market. The FHR is designed for researchers who want excellent precision with quick results, and its adaptability enables use throughout a wide spectral range, stretching from the UV to the IR.

The cast body design of the instrument prevents temperature-induced tension and expansion, preventing substantial wavelength shifts or signal loss and enabling optimal performance.

HORIBA has also designed and manufactured the best quality gratings for this monochromator. The FHR Series spectrometer has a focal length of 1000 mm and is suitable for a wide range of applications, including:

  • Raman
  • Photoluminescence
  • Fluorescence
  • Absorbance/transmission/reflectance/emission analysis


Key benefits of the FHR Series spectrometers

  • High speed: Decreased experiment times
  • Specially designed, fully automated direct grating drive: Outstanding consistency and precision without affecting speed
  • Robust cast body construction: Offers optimal performance without wavelength shifts and signal loss
  • Automated slits: Full software control of experiments
  • Swing away mirror option: Enables lateral port selection
  • Dual grating turret capability: Convenience of two gratings
  • Integrates with the FHR full line of HORIBA Jobin Yvon accessories: For effortless configuration of spectroscopy systems


Depending on the optical requirements, there is a large array of gratings. The MicroHR has 32 × 32 mm gratings. There are three kinds of gratings: classically ruled, holographic, and blazed holographic. A flat mirror can also be ordered for the dual grating turret option.

Computer control

Aside from wavelength control, the FHR Series offers automated turret and optional internal five-position filter wheel control. There are numerous software packages available for spectrometer control and acquisition.

Optical accessories

The FHR Series is compatible with a wide range of optical accessories, allowing users to construct their own custom solutions.


Source: HORIBA Scientific

  FHR 1000
Focal Length 1000 mm
Entrance Aperture Ratio (single grating) f/9.0
Grating Size Single grating 110 mm x 110 mm
Dual grating 80 mm x 110 mm
Scanning Range  0 – 1500 nm 
Scanning Speed > 300 nm/second
Spectral Dispersion  0.8 nm/mm
Spectral Resolution w/ 10 µm slits 0.010 nm
Wavelength Position Accuracy ± 0.03 nm 
Wavelength Repeatability  
Slits Automated, Standard 0 – 2 mm 
Automated, Option 0 – 7 mm
Dimensions Length 45.67 in (1160 mm)
Width 16.93 in (430 mm)
Height 13.78 in (350 mm)
Weight 154.3 lb (70 kg)

*All specifications with 1200 gr/mm grating. 

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