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Omniplex: CS210F-GMX-19OP

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Omniplex: CS204*F-FMX-19OP Optical Top Loading Closed Cycle Sample in Vapor Cryostat
Omniplex: CS204*F-FMX-19OP Optical Top Loading Closed Cycle Sample in Vapor Cryostat with 180° Kapton window for x-ray diffraction

The Omniplex: CS210F-GMX-19OP is a top loading optical cryostat with the ARS manufactured DE-210 cryocooler for high cooling power and fast cooldown. The helium vapor is particularly useful for cooling samples that do not conduct heat well.

Download CS210F-GMX-19OP Data Sheet

The ARS Omniplex systems feature large optical access, quick sample change, fast initial cooldown (90 min to 20 K), and adjustable radiation baffles to optimize sample temperatures.

The Omniplex: CS210F-GMX-19OP comes with 4 window ports and with warm and cold windows. A variety of options allow this system to be customized to fit the researcher's needs, including custom tail pieces, load-lock gate valves and low vibration interfaces.

The sample stick can use any of the standard ARS sample holders as well as receive a second set of temperature control instrumentation for fine tuning of the sample temperature.

Click here to see all Advanced Research Systems sample in vapor cryostats.

  • Optical
  • Electro-optical
  • Magneto-optical
  • UV, VIS, IR
  • FTIR
  • Raman spectroscopy
  • Electroluminescence
  • Photoluminescence
  • Deep-level transient spectroscopy (DLTS)
  • Resistivity
  • Hall probe experiments
  • Diamond anvil cell
  • Liquid samples
  • Non-optical
  • Thermal, electrical and magnetic susceptibility
  • Low vibration applications with bellows
  • Cryogen free
  • Top loading sample in vapor, fast sample change
  • 90 min. initial cooldown
  • Welded stainless steel vacuum chamber
  • Multiple tail piece adaptations
  • Large, clear view optical windows (1.5" outer, 0.7" cold windows)
  • Large sample viewing angle for optical collection (F/1.9)
  • Fully customizable
Typical Configuration
  • Cold head (DE-210AF)
  • Compressor (ARS-10HW)
  • 2 helium hoses
  • Omniplex, sample in vapor vacuum chamber
  • Tail piece
  • OFHC copper radiation shield
  • 2 high purity quartz windows
  • 2 sapphire cold windows
  • Instrumentation for temperature measurement and control:
    • 10 pin feedthrough
    • 50 ohm thermofoil heater
    • Silicon diode sensor curve matched to (± 0.5 K) for control
    • Calibrated silicon diode sensor (±12 mK) with 4-in. free length for accurate sample measurement
  • Wiring for electrical experiments:
    • 10 pin feedthrough
    • 4 copper wires
  • Sample holder for electrical experiments
  • Temperature controller
Options and Upgrades
  • Thinned aluminum tailpiece for neutron diffraction
  • Soft rubber bellow for low sample vibrations
  • VSM adapter
  • Load-lock gate valve
  • 4 K cold head (0.8 W @ 4.2 K)
  • Turbo upgrade for faster cooldown times
  • 450 K high temperature interface
  • 800 K high temperature interface
  • Second set of temperature control instrumentation for fine sample temperature control
  • Custom temperature sensor configuration (please contact our sales staff)
  • Custom wiring configurations (please contact our sales staff)
  • Window material upgrades (custom materials available)

The ARS Advantage

4 K, 5.5 K, 10 K Fine-Tuned For Your Temperature Range
A Selection of ARS Manufactured Displex Cold Heads

The DE-210SF cold head is a precision machine carefully tuned to achieve temperatures below 4 K with 0.8 W of cooling power at 4.2 K.

The DE-210AFcold head is a rugged workhorse built with power and durability in mind, achieving temperatures below 9 K with 4 W of cooling power at 10 K.

High Temperature Options
800K Interface Manufactured by ARS

Our high temperature interfaces use a unique combination of mechanical and thermodynamic properties to create a high temperature thermal disconnect between the cold head and the sample space. This allows for heating of the sample space far in excess of the maximum 355 K temperature of our cryocoolers.

450 K The Easy Way

Our 450 K interface is a simple semi-permanent addition to the cold tip that expands the upper sample temperature range by 95 K utilizing most of the same instrumentation as our standard cryocoolers.

800 K - Pouring on the Heat

Our specially designed 800 K interface goes beyond the standard techniques to provide a unique system that maximizes thermal conduction at low temperatures while minimizing heat transfer at high temperatures. Beyond the safe operating temperature of silicon diodes, the standard sensors are replaced with E-type thermocouples and platinum RTDs.

Wired the Right Way - Your Way
Thermally Anchored Sensor Wiring on the DE-202 Cold Tip

Our technicians painstakingly wrap each cold head for optimum thermal anchoring. We offer you the choice of a variety of wiring options, from our standard offerings of single strand copper and low noise coaxial wiring packages to any number of custom wiring configurations.

Typical instrumentation for temperature measurement and control include one 50 ohm thermofoil heater, one curve matched silicon diode for rough temperature control, and one free length calibrated diode for direct attachment to the sample or sample holder for accurate temperature measurement. Silicon diode sensors are favored heavily for most standard applications because of their low cost, durability, and stability, but we do offer a wide variety of other sensors for different applications such as Cernox sensors for high magnetic fields, E-type thermocouples for 4 K-800 K measurements, and platinum RTDs for accurate high temperature measurements.

Our wide selection of wiring and instrumentation is matched by an equally wide selection of temperature controllers from Cryocon, Lake Shore, and Scientific Instruments.

A Sample Holder for Every Measurement
SHOE-1C Sample Holder for Optical and Electrical Experiments

Whether the measurement is optical or electrical in nature, the sample large or small, we have a sample holder for almost any measurement. The CS210*F-GMX-19OP can accept all but our largest sample holders. Like all of our cold fingers, the DE-210*F has a 1/4-28 threaded hole on the cold tip to mount the sample holder. So even if you do not find what you need from our wide variety of sample holders there is always the option of attaching a custom sample holder.

Water Cooled Compressor For Your Convenience
The ARS-2HW Compressor

The water cooled ARS-10HW compressor that powers the DE-210 Series cold heads has many benefits that are amplified in small laboratory settings. The water cooling redirects heat energy that would otherwise be dumped into the lab by a large cooling fan. The lack of a large cooling fan also dramatically reduces the noise of these compressors (only 60 dBA). Additionaly with minimum air circulation, the air currents and dust are kept to a minimum. The high efficiency heat exchanger results in low water usage and saves space inside the compressor, giving it a small footprint. When water is not available our Coolpac™ remote recirculation system can send cooling water from up to 100 feet away.

Easy Do-It-Yourself Maintenance
DE-202 Disassembled for Service

The ARS DE-210 Closed Cycle Cryocooler operates on a pneumatically driven Gifford-McMahon refrigeration cycle that is both mechanically simple and robust.

12,000-Hour Maintenance Cycle

Over time the internal components of the cold head begin to wear. Eventually the performance of the cold head will decline and some time after 12,000 hours certain internal components need to be replaced or refurbished. With most closed cycle cryocoolers the only option is to send the cold head back to the manufacturer for service.

A Second Option

The simplicity of the ARS pneumatically driven cryocooler allows for another option. Our customers can purchase a service kit for our 10 K and 5.5 K cryocoolers that replaces all of the worn components. This service kit can be ordered ahead of time and reduce down time to a matter of hours instead of weeks.

DMX-1AL Specifications

Cooling Technology-
  DE-210 Closed Cycle Cryocooler
  Refrigeration Type Pneumatically Driven Gifford-McMahon Cycle
  Liquid Cryogen Usage None, Cryogen Free
  DE-210AF < 9 K - 350 K
Interface temperature may be 1-2K higher
  DE-210SF < 3 K - 350 K
Interface temperature may be 1-2K higher
  With 800 K Interface (Base Temp + 2 K) - 800 K
  With 450 K Interface (Base Temp + 2 K) - 450 K
  Stability 0.1 K
  *Based on bare cold head with a closed radiation shield, and no additional sources of experimental or parasitic heat load.
Sample space-
  Diameter 49, 36 mm (1.94, 1.44 in)
  Height 47 - 190 mm (1.86 - 7.5 in) Variable
  Sample Holder Attachment 1/4-28 screw
  Sample Holder View our Sample Holder Collection
Optical Access-
  Window Ports 4 - 90° Apart
  Diameter 50.8 mm (2 in) Outer window
  Clear view 38 mm (1.5 in) Outer Window
17mm (0.7 in) Inner Cold Window
  #/F 1.9
  Window Material View our Wide Selection of Window Materials
Temperature Instrumentation and Control (Standard)-
  Heater 1 - 50 ohm Thermofoil Heater Anchored on Cold Tip
  Control Sensor 1 - Curve Matched Silicon Diode
  Sample Sensor 1 - Calibrated Silicon Diode
Optional Second set of Control instrumentation on Sample Stick
  Custom Instrumentation Contact ARS for available Options
Instrumentation Access-
  Instrumentation Skirt Welded, Stainless Steel
  Pump out Port 1 - NW-25
  Instrumentation Ports 2
  Instrumentation Wiring Contact our sales staff for wiring options
Vacuum Shroud-
  Material Stainless Steel
  Length 190 mm (7.5 in) At the Tail Piece
  Diameter 89, 83 mm (3.5, 3.25 in) (at the sample space)
  Width 107, 97 mm (4.2, 3.8 in) (at the sample space)
Radiation Shield-
  Material OFHC Copper
  Attachment Bolt on
  Optical Access 0, 2, or 4(customer specified)
Cryostat Footprint-
  Overall Length 725 mm (28.5 in)
  Motor Housing Diameter 114 mm (4.5 in)
  Rotational clearance Contact our Sales Staff

Cryocooler Specifications

Cryocooler Model DE-210AE DE-210SE
  Frequency 60 Hz 50 Hz 60 Hz 50 Hz
    Base Temperature < 9 K < 9 K < 3 K < 3 K
    Cooling Capacity- 4.2 K - - 1 W 1 W
  10 K 4 W 4 W 9 W 9 W
  20 K 17 W 17 W 16 W 16 W
  77 K 25 W 25 W 25 W 26 W
    Radiation Shield Cooling Capacity 60 W 60 W 60 W 60 W
       (1st Stage Cooling Capacity at 77 K)        
    Maximum Cylinder Temperature 355 K 355 K
    Cooldown Time- 20 K 35 min 35 min 40 min 40 min
  Base Temperature 70 min 70 min 80 min 80 min
    Weight Expander 14 kg (31 lbs) 15 kg (33 lbs)
Compressor Model ARS-10HW ARS-10HW
    Standard Voltage Min 208 V 190 V 208 V 190 V
  Max 230 V 2210 V 230 V 210 V
    Power Usage Three Phase 7.7 kW 7.7 kW 7.7 kW 7.7 kW
    Dimensions: L 483 mm (19 in) 483 mm (19 in)
  W 534 mm (21.0 in) 534 mm (21.0 in)
  H 618 mm (24.3 in) 618 mm (24.3 in)
    Weight Compressor 113 kg (250 lbs) 113 kg (250 lbs)
    Typical Maintenance Cycle 30,000 hours 30,000 hours
Omniplex Top Loading Optical Cryostat Drawing, CS204*F-FMX-19OP

Omniplex Top Loading Optical Cryostat

Omniplex CS204*F-FMX-19OP Top View Drawing

Omniplex top view

Omniplex, FMX-19 Sample Stick Drawing

Omniplex Sample Stick

ARS-10HW Compressor Drawing


Click on the images for full size.
ARS Omniplex for Sample in Vapor


The ARS Omniplex provides sample-in-vapor cryogenic cooling to under 4 K for samples with poor thermal conductivity. The Omniplex pictured above has been integrated into a completely self-contained mobile cart. This configuration allows the cryostat, vacuum pump, and temperature controller to be transported between optical spectrometers. This allows the laboratory users to study a sample in several different instruments without warming or exposing the sample to atmospheric conditions.