KARMEN™ - retractable BSE detector for hot stage

SENSOR HEAT MANAGEMENT

• Sample temperature 1000°C
• Passive cooling by heat-pipe technology
• Temperature monitoring of the sensor

SENSOR SHIELDING

• Sensor and lightguide cooled and
  shielded against infrared and visible
  light emited by the heated sample

single crystal scintillator with optimized efficiency and minimized afterglow, exponential decay time 45 ns with 30 photons/keV

Outer diameter 15 mm

Inner hole diameter 3 / 2 / 1.5 or 1 mm. This dimension limits the field of view

Sensitivity down to 10pA beam current

Allows a 7 mm working distance

Dimensions 406 x 100 x 72 mm

Bellows design for ultimate vacuum

140 mm motorized retraction

+/- 2 mm fine adjustment in x, y, z axis

0.01 mm repeatability

Flange adapted to customer's SEM

Silver / black / blue / red matt surface finish available

Dimensions 270 x 180 x 65 mm

Supply 230/110 V

3 noise filters optimized for different scanning speeds

50 MHz bandwidth

Internal source 0-1200 V for PMT HV

Output video signal -1/+1V (-5/+5V)

Full remote software control

DC offset up to -20V