Für den Inhalt dieser Seite ist eine neuere Version von Adobe Flash Player erforderlich.

Adobe Flash Player herunterladen

     

INTRODUCTION

ATTODRY

 

attoDRY1000
 

FAQ
 

attoDRY1100
 

attoDRY2000
 

attoDRY3000
 

attoDRY4000
 

attoDRY5000
 

attoDRY700
 

attoDRY500
 

attoDRY500-SPM

ATTOLIQUID

 

attoLIQUID1000
 

attoLIQUID2000
 

attoLIQUID3000
 

attoLIQUID5000
 

attoLIQUID100

ACCESSORIES

 

atto3DR

OPTIONS

 

 


ATTOLIQUID5000
liquid Helium based dilution refrigerators for ultra low temperature operation

:.........................................................................................

 

standard edition

< 25 mK

   
 

principle

dilution refrigerator unit

liquid Helium reservoir capacity

50 l

temperature isolation

liquid nitrogen shielded (capacity 95 l)

material of body

Aluminum

attoDAMP

vibration and acoustic noise damping system

   
 

base temperature inside mixing chamber

< 25 mK

cooling power

up to 400 µW @ 120 mK

access to mixing chamber

greased conical plug

thermometry

1 K pot and still: resistance thermometers
mixing chamber: calibrated thermometer

estimated liquid Helium static loss rate (standard edition, without insert)

0.5 l/h

   
 

cryostat (width x depth x height)

approx. 900 x 750 x 1500 mm (including rack and attoDAMPTM)

electronic rack (width x depth x height)

640 x 640 x 1350 mm (including rack)

required ceiling height

approx. 3.1 m plus crane

   
 

superconducting magnet

6 .. 12 T  (15 T on request)

Helium transfer line

different sizes on request

Helium level meter

 

thermometer

RuO2 sensor and heater near sample

additional wiring

up to 12 wires for customer use

   
 

confocal microscopes

attoCFM II

scanning Hall probe microscopes

attoSHPM

atomic / magnetic force microscopes

attoAFM I, attoAFM III, attoMFM I, (all on request)


 




> ³He/4He dilution refrigerator with high-cooling power and fast cooldown times
> base temperatures of less than 25 mK
> oil-free ³He/4He gas handling system
> compatible with superconducting magnets up to 15 T

> confocal microscopy and atomic force microscopy (ct-AFM, MFM) measurements at ultra-low temperature
> microprocessor controlled gas handling system for single button operation
> cooling power up to 400 µW at 120 mK

> spectroscopic measurements on quantum dots with ultra-low thermal broadening
> ultra-high energy resolution density of state measurements on classical and heavy fermion superconductors