attoCFM I+
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Specifications attoCFM I+
General Specifications
type of instrument
free-beam based room temperature optics head coupled to low temperature objective
sensor head specifics
unique low temperature compatible achromatic objectives with high numerical aperture,
optimized for different wavelength ranges
Confocal Unit
configuration
compact and modular design, two or more optical channels
standard configuration: 1 excitation channel,1 detection channel
quick-exchange of optical components
beamsplitters, filter mounts for up to 4 filters/ polarizers (1" diameter), optional
piezoelectric rotator with filter mount
LT- compatible objective
LT-APO/VIS, LT-APO/VISIR, LT-APO/NIR
(see accessory section for more information)
inspection unit
sample imaging with large field of view: ~75 μm (attoDRY), ~56 μm (attoLIQUID)
Illumination
excitation wavelength range
400 .. 1000 nm
default: 650 nm (others on request)
Detection
detection mode
e.g. reflection, luminescence, flourescence, Raman (optional)?
Sample Positioning
total travel range
5 x 5 x 5 mm³ (open loop)
step size
0.05..3 μm @ 300 K, 10..500 nm @ 4 K
fine scan range
80 x 80 μm2 @ 300 K, 125 x 125 μm2 @ 4 K (closed loop)
closed loop scan resolution (steady state, 100 ms sample time)
1 nm rms typ.
sample holder
ASH/QE/4CX quick-exchange sample holder with 8 electrical contacts and integrated
heater with calibrated temperature sensor
Suitable Operating Conditions
temperature range
1.5 K..300 K (dependent on cryostat); mK compatible setup available on request
magnetic field range
0..15 T+ (dependent on magnet)
operating pressure
designed for He exchange gas (vacuum compatible version down to 1E-6 mbar on
request)
Suitable Cooling Systems
titanium housing diameter
48 mm
bore size requirement
designed for a 2" (50.8 mm) cryostat/magnet bore
compatible cryostats
attoDRY1000/1100/2100
attoLIQUID1000/2000 (attoLIQUID3000/5000 on request)
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