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PGM1000

Vacuum Spectrometer -Monograph to explore the 1- 125 nm

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 2 to 125 nm.

Segment: Scientific

Division: Custom Spectroscopy Solutions

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 25 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 1000 mm focal length to cover the 2-126 nm spectral range.

Optical design	Toroidal Mirror and Plane Grating VLS Type
Focal length	1000 mm
Aperture	f/50
Gratings	1800 gr/mm : 2-35 nm (8-35 nm in monochromator mode) 550 gr/mm : 7-126 nm (30-125 nm in monochromator mode)
Optic coating	Pt or Au
Deviation angle	156°
Dispersion	1800 gr/mm : 0.09 nm/mm at 8 nm 550 gr/mm : 0.3 nm/mm at 30 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 DN100 CF for CCD version
PC interface	Built-in USB2 (no additional controller)