attoCFM III
PAGE 146
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
transmission or reflection, luminescence, fluorescence,...
Sample Positioning
total travel range
independent degrees of freedom for both LT-objectives:
5 x 5 x 5 mm³ (open 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 reques Ф()