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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.

 

 

•     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 flangeDN40 KF (DN40 CF) for slit version
DN100 CF for CCD version
PC interfaceBuilt-in USB2 (no additional controller)

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