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P452 - White beam slits for soft X-ray synchrotron radiation at Beamline VMXm at Diamond Light Source, Didcot, United Kingdom
P452 - White beam slits for soft X-ray synchrotron radiation at Beamline VMXm at Diamond Light Source, Didcot, United Kingdom

P452 – White beam Slits VMXm DLS

Application

White beam slits for soft X-ray synchrotron radiation

Year of delivery

2016

Installation site

Beamline VMXm at Diamond Light Source, Didcot, United Kingdom

Design Features

  • Vertically and horizontally defining slit blades.
  • Motorized and encoded opening; independent translation of the slit blades.
  • Tungsten slit blades.
  • Actively cooled OFHC absorber blocks attached to all slit blades.

  • Temperature sensor available at each blade.
  • Adjustable support structure

Performance Features

  • Power density: 60 W /mm2.
  • Total absorbed power: 2 kW in 13 x 13 mm2 area.

Outer Dimensions

P452 - Outer dimensions - White beam slits for soft X-ray synchrotron radiation at Beamline VMXm at Diamond Light Source, Didcot, United Kingdom

Technical specifications and performance values

General

Vacuum chamber

Chamber type

cylindrical, horizontal axis

Material

1.4301

Base pressure

10-10 mbar range

Primary slits

Slit blades

Material

Tungsten (water cooled)

Straightness

< 0.10 µm over 10 mm

Roughness

< 2 µm over 10 mm

Parallelism

5 µm over 10 mm

Slit blades translation

Range

-7 mm to 7 mm

Repeatability

< 10 µm

Resolution (design value)

0.006 µm /motor fine step
(1/16, recommended)
0.05 µm /encoder count

Performance Test Results

Residual gas analysis
P452 - Residual gas analysis - White beam slits for soft X-ray synchrotron radiation at Beamline VMXm at Diamond Light Source, Didcot, United Kingdom