attoMICROSCOPY Sophisticated Tools for Science attoCFM II low temperature confocal microscope, highly stable and compact Technical Specifications General Specifications type of instrument fiber optics based confocal microscope for maximum stability sensor head specifics fiber-coupled low temperature compatible aspheric objectives for ultimate stability Confocal Unit configuration one single-mode fiber for excitation and detection; 50/50 fiber coupler integrated into laser/detector module LDM600 (for more information, see SPM fu key benefits ultimate longterm stability & ease-of-use pinhole configuration pinhole provided by single mode fiber core pinhole size dependent on fibers, typically 3 .. 9 µm mode field diameter 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. reflection, luminescence, flourescence detection wavelength range limited to wavelength range of single mode fiber default: 650 nm (others on request) 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 50 x 50 µm² @ 300 K, 30 x 30 µm² @ 4 k (optional, open loop) sample holder ASH/QE/0 quick exchange sample holder 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 attoLIQUID1000/2000/3000 (attoLIQUID5000 on request) Electronics scan controller and software ASC400 (optional; 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 ?m2 @ 300 K 125 x 125 ?m2 @ 4 K closed loop upgrade for coarse positioners resistive encoder, range 5 mm, sensor resolution approx. 200 nm, repeatability 1-2 µm sample holder upgrade ASH/QE/4CX quick-exchange sample holder with 8 electrical contacts and integrated heater with calibrated temperature sensor * Resolution may vary depending on applied tip, sample, and cryostat All rights, including rights created by patent grant or registration of a utility model or design as well as rights of technical modifications are reserved. Delivery subject to availability. Designations may be trademarks, the use of which by third parties for their own purposes may violate the rights of the trademark owners. © attocube systems AG 2001-2015.
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