attoAFM /CFM
PAGE 134
Specifications
attoAFM/CFM
General Specifications
type of instrument
combined confocal (CFM) and atomic force microscope (AFM)
sensor head specifics
AFM: Akiyama probe (quartz tuning fork combined with a mircomachined cantilever)
CFM: attoCFM I external optics head and low temperature apochromatic
Operation Modes
imaging modes
optically detected magnetic resonance (ODMR), AFM, CFM
slope compensation
2 axis scan plane correction
z feedback
AFM: PI feedback loop for amplitude modulation (AM), phase modulation (PM) or frequency modulation (FM)
using included PLL
Resolution*
measured RMS z-noise (constant force @ 4 K, 5 ms pixel time)
< 0.2 nm (expected for attoLIQUID1000)
< 0.5 nm (guaranteed for attoLIQUID1000)
z bit resolution @ 4 K
7.6 pm at 2 μm scan range
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
optically detected magnetic resonance (ODMR), luminescence, fluorescence,?
Sample Positioning
total travel range
independent degrees of freedom for tip and sample