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PGM200

Vacuum Spectrometer - Plane Grating Monographs

The Plane Grating Monochromator/Spectrograph (PGM-PGS) series is a unique optical design coupling a toroïdal mirror and an aberration corrected rotating plane grating. Each grating has been especially designed thanks to our Imaging CorrectionPLUS Technology, to have a perfect coupling with its associated toroïdal mirror. Compared to a Rowland-Circle configuration, this solution features two major advantages: firstly it can be used both in multichannel mode (real flat field) and in single channel (with an exit slit); secondly the optical design is straight (entrance and exit arms parallel) and the exit (whether detector or slit) is fixed which makes integration and calibration very easy.

With a large choice of gratings (both master and replica) the PGM/PGS series covers a large VUV range from 1 to 100 nm.

Segment: Scientific

Division: Custom Spectroscopy Solutions

Manufacturing Company: HORIBA France SAS

Features
Specifications

Imaging CorrectionPlus Technology
On Axial optical design
Choice of master or replica gratings
Kinematic Grating Mount or three gratings slider
CCD port mounted on X table
Patented layout
High vacuum compatible

Benefits

The best image on your CCD over 25Â mm focal plane
Less room needed and easy to align
Optimize damage threshold or cost
Interchangeable gratings
In vacuum focus adjustment
Use grazing incidence angles onto the optics and normal incidence for CCD illumination
5 10^-6 mbar - option 5 10^-9 mbar

Monograph with 200 mm focal length to cover the 1-100 nm spectral range.

Optical design	Toroidal Mirror and Plane VLS Grating with Imaging CorrectionPLUS Technology
Focal length	200 mm
Aperture	f/16
Gratings	1800 gr/mm : 1-25 nm (3.5-16.5 nm in monochromator mode) 800 gr/mm : 2-56 nm (6.5-35 nm in monochromator mode) 450 gr/mm : 3-100 nm (10.5-63 nm in monochromator mode)
Optic coating	Pt or Au
Deviation angle	165°
Dispersion	1800 gr/mm : 0.4 nm/mm at 3.5 nm 800 gr/mm : 0.9 nm/mm at 6.5 nm 450 gr/mm : 1.6 nm/mm at 10.5 nm
Drive	Sine arm
Vacuum	5 10^-6 mbar (HV version) 5 10^-9 mbar (UHV version)
Pumping flange	DN63 CF (DN100 CF)
Entrance port	Micrometric slits (10 µm to 2 mm)
Entrance flange	DN40 KF (DN40 CF)
Exit port	Micrometric slits (10 µm to 2 mm) or Adjustable CCD port
Exit flange	DN40 KF (DN40 CF) for slit version DN100CF for CCD version
PC interface	Built-in USB2