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Specifications
attoCFM III
General Specifications
type of instrument fiber optics based confocal microscope for transmission measurements
sensor head specifics 2 independent fiber-coupled low temperature compatible aspheric objectives for ultimate
stability
Confocal Unit
configuration one fiber-coupled LT objective for excitation, one fiber-coupled LT objective for detection
LT- compatible objective LT-IWDO, LT-LWDO (see accessory section for more information)
Illumination
excitation wavelength range
limited to wavelength range of single mode fiber
default: 650 nm (others on request)
Detection
detection mode
e.g. transmission or reflection, luminescence, fluorescence
Sample Positioning
total travel range independent degrees of freedom for both LT-objectives:
5 x 5 x 5 mm³ (closed loop) with fixed sample
step size 0.05..3 μm @ 300 K, 10..500 nm @ 4 K
fine scan range 50 x 50 μm² @ 300 K, 30 x 30 μm² @ 4 k (open loop)
sample holder Ti plate for transmission inside aperture scanner
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 47 mm
bore size requirement designed for a 2" (50.8 mm) cryostat/magnet bore
compatible cryostats attoDRY1000/1100/2100
attoLIQUID1000/2000/3000
(attoLIQUID5000 on request)
Electronics
scan controller and software ASC400 (for detailed specifications please see attoCONTROL section)
laser LDM600 laser/detector module (for detailed specifications please see attoCONTROL section)
Options
closed loop upgrade for coarse positioners
incl. for both objectives
The attoCFM III microscope module