EW4000

For Advanced Photoelectron Spectroscopy Experiments

General Data

Vacuum tank: Stainless steel
Magnetic shielding: Double μ-metal shield
Pressure: < 2×10-10 mbar
Baking temperature: 150 ºC
Analyzer radius: 200 mm
Mounting flange: NW 200 CF, rotatable
Slits: 9
Detector type: MCP/CCD camera
Detector interface: Ø 40 mm MCP
Energy channels: 1064 simultaneous
Angular channels: > 750 simultaneous
Scanned mode: Yes
Quick mode: Yes
Intensity deflectors: Yes, x, y
ISS: Option
Analyzer pump port: Yes

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High Voltage Electronics Technical Data

Temperature stability: < 2 ppm/ºC (R-version) (typical 0.5 ppm/ºC)
Noise (AV at analyzer): < 1 ppm + < 500 μV (typical 0.5 ppm)
< 200 μV)
Drift: < 20 ppm/year (typical 10 ppm/year)
Electric isolation: 6 kV
Min. step size HV100: 1.6 mV
Min. step size DAC: 200 μV
DAC: Bits 16
Modular: Yes
Communication: USB

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EW4000 6 keV

Energy resolution: 40 meV at 6 keV
Lens acceptance angle: 60º
Angular resolved range: ± 30º
Angular modes: ± 30º, ± 22º

Kinetic energy range
Transmission mode: 5 - 6,000 eV
Angular mode: 100 - 6,000 eV
Pass Energy: 10 - 500 eV
Working distance: 40 mm

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EW4000 10 keV

Energy resolution:
40 meV at 6 keV
100 meV at 10 keV
Lens acceptance angle: 60º
Angular resolved range: ± 30º
Angular modes: ± 30º, ± 22º

Kinetic energy range
Transmission mode: 5 - 10,000 eV
Angular mode: 100 - 10,000 eV

Pass Energy: 10 - 500 eV
Working distance: 40 mm

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EW4000 12 keV

Energy resolution:
40 meV at 6 keV
100 meV at 12 keV

Lens acceptance angle: 60º
Angular resolved range: ± 30º
Angular modes: ± 30º, ± 22º
Kinetic energy range
Transmission mode: 5 - 12,000 eV
Angular mode: 100 - 12,000 eV
Pass Energy: 10 - 500 eV
Working distance: 40 mm

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EW4000 UPS Upgrade*

Energy resolution: 1.8 meV at 10 eV

Kinetic energy range
Transmission mode: 5 - 100 eV
Pass Energy: 1 - 5 eV

*Specifications in addition to any of the models above

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