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VHR Series

Vacuum Spectrometer - Vacuum High Resolution monochromators for the 100-1500 nm region

The VHR spectrometers series are the Far UV version of our famous FHR series. Especially designed with an optical cavity which keeps pressure up to 10-5 mbar, the VHR series can extend spectral measurements down to 100 nm and up to MIR (15 µm) with optimal performances. As our FHR, the VHR series offer a unique combination of drive speed, precision and high resolution, completely revolutionizing the large spectrometer market.

Segment: Scientific

Division: Custom Spectroscopy Solutions

Manufacturing Company: HORIBA France SAS

Specifications

	VHR640	VHR1000
Optical design	Czerny Turner
Focal length	640 mm	1000 mm
Aperture	f/5.4	f/9
Gratings	Up to 4320 gr/mm available	Up to 4320 gr/mm available
Optic coating	Au, Pt or MgF2 optimized at 121 nm
Spectral Range	From 100nm to 15 µm depending on selected grating(s)
Dispersion	0.37 nm/mm with 3600 gr/mm	0.25 nm/mm with 3600 gr/mm
Drive	Fast worm drive
Resolution	.008nm*	0.005nm*
Vacuum	Few 10-5 mbar (HV)
Pumping flange	DN63 LF
Entrance port	Micrometric slits (10 µm to 2 mm)
Exit ports	Micrometric slits (10 µm to 2 mm) or Adjustable CCD port
Entrance flange	DN40 KF
Exit flange	DN40 KF for slit port DN63CF for CCD port
PC interface	USB2