attoPUBLICATIONS attoCATALOG-2017/18 | Page 136

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 mm ³( open loop) step size
0.05.. 3 μm @ 300 K, 10.. 500 nm @ 4 K fine scan range 50 x 50 µ m ² @ 300 K, 30 x 30 µ m ² @ 4 k( optional, open 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)
Electronics scan controller and software ASC500( for detailed specifications please see attoCONTROL section) laser LDM600 laser / detector module( for detailed specifications please see attoCONTROL section) Options closed loop scanning & global sample coordinates interferometric encoders for scan linearization and closed loop sample navigation ultra-large scan range upgrade
80 x 80 @ 300 K 125 x 125 @ 4 K in-situ inspection optics incl. with CFM I external optics head closed loop upgrade for coarse positioners resistive encoder, range 5 mm, sensor resolution approx. 200 nm, repeatability 1-2 µ m sample holder upgrade
ASH / QE / 4CX quick-exchange sample holder with 8 electrical contacts and integrated heater with calibrated temperature sensor