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Specifications
Cryogenic Photonic Probe Station
General Specifications
type of instrument combined side injection into planar waveguide structures and perpendicular confocal optics on
top of the sample, perpendicular injection is possible
sensor head specifics two independent lensed fiber probes with 3 individual degrees of freedom, low temperature
compatible apochromatic objective and external confocal optics head
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: approx. 100 μm
long-term stability lateral drift of confocal spot typically <2 nm/h
Sample Positioning
total travel range Sample: 6 mm x 6 mm (closed loop)
fiber probes: 3 x 3 x 2.5 mm³ (closed loop)
sensor resolution approx. 200 nm, sensor repeatibility approx. 1-2 μm
step size 0.05..3 μm @ 300 K, 10..500 nm @ 4 K
sample holder carefully thermalized, quick exchange mechanism, including calibrated temperature sensor and
heater
temperature range 4..320K
operating pressure 1E-6 mbar .. 1 bar
Suitable Cooling Systems
compatible cryostats attoDRY800
(flow cryostats on request)
laser LDM600 laser/detector module (for detailed specifications please see attoCONTROL section)