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Optical Heating & Cooling Stage
The temperature control stage is scientific research equipment used in professional fields such as materials, geology, food, and medicine. It can be combined with optical microscopes, Raman microscopes, fluorescence microscopes, and other instruments to achieve rapid sample heating or Cooling, while observing the structural and morphological changes of the sample during the process, it helps to understand the physical and chemical properties of the sample.

Temperature Control System


● Temperature control accuracy: ±0.1 ℃

● Supports transmissive/reflective mode

● Compact structure, suitable for various variable 

   temperature tests

● Wide temperature range: -190 to 600℃ / Room 

   Temperature to 1200

● Gas-tight chamber design, can flow protective gas

● Upgradeable vacuum chamber design, 10-5mbar

● The optical windows can be replaced for different 


● Can be replaced with different types of optical interfaces

● PC software control supports modification or 



Optical temperature control stage

Protective gas can be passed through 


Optical temperature control stage

Mechanical pumps up to 10-3mbar

Molecular pump up to 10-5mbar

Light Transmission Mode

 Reflection ModeStage               Transmission Mode

Light-transmitting Window Material

1 ) Sample stage material: silver (medium and low temperature), ceramic (high temperature)

2 ) Sample stage size: 23x23mm (can be customized)

3 ) Light transmission hole: 2mm (can be customized)

4 ) Window material: optical glass, sapphire, calcium fluoride etc.

5 ) Window size: φ 25mm (can be customized)

Sample / Window Defrosting

Sample Defrosting Method                                    

a. Flow protective gas,   b. Vacuum                                    

Window Defrosting

Nitrogen purges the window glass.

Customized Optical Interface

Liquid Nitrogen Consumption

1 ) The maximum liquid nitrogen consumption is 1L/h, maintained at -190 ℃ ;

2 ) Normal use 0.5L/h, high and low temperature changes.

Water Cooling System

Water circulating system

(temperature control)

The water circulation system is needed for Ultra-low or High-temperature environments. It attaches to the Temperature stage chamber

●  For low temperatures application down to -190 degrees it will prevent water condensation to the stage and chamber

●  For high-Temperature application it will cool the chamber wall to room temperature for safety 

Product specifications and Brochures

Product Brochure Link:  

Optical IndicatorsCryo 600-190HT1200
Temperature Control
Cooling & Heating Liquid nitrogen cooling/resistance heatingResistance heating
Temperature Control Range*-190 to 600℃RT to 1200℃
Temperature Stability*±0.1℃ (< 600℃ ), ±1℃ (> 600℃ ) 
Temperature Resolution0.1 ℃
Temperature Control Speed0~50℃/ min (can be fixed point / program segment temperature control)
Temperature Control MethodPID
Temperature SensorPT100Thermocouple
Optical Properties
Optical Path*Reflected optical path (can be upgraded to the transmitted optical path)
Window Material*Quartz glass 
Window Size*Φ25mm 
Lens Working Distance*6mm
Light-transmitting Hole*No light-transmitting hole by default (can be upgradable   light-transmitting hole)
Window DefrostingAir blowing defrost at negative temperature/
Structural Properties
Sample Table Size*23×23mm
Sample Carrier Material*Silver Ceramic 
Sample Cavity Height*4mm
Chamber*Gas-tight (can be upgradable to vacuum)
Shell CoolingRecycled water
RemarkAbove are all default parameters, with * being customizable.

Temperature Range Choice

Low Temperature Stage: -190 to 600℃

Low temperature optional   -190℃  -180℃  -160℃  -120℃  -100℃  RT

High temperature optional  400℃  600℃

High Temperature Stage: RT to 1200 ℃

High Temperature Optional   RT to   400℃  600℃  800℃  1200℃

Temperature Control Accuracy



Fixed Slope


Programmable Block Ramp 

Up & Down

Temperature control stability maximum ±0.1 ℃ 

Heating and cooling speed (control) 0 - 30 ℃/min (recommended), maximum 60 ℃/min



Real System Setup


                                                Raman Shift Resul
                            Temperature Chart

System Configuration Customized Option Avaliable

Raman Spectrometer               
Confocal Microscope

Temperature Stage


Materials Light Absorption Analysis

at Different Temperatures 

Large NA High Sensitivity 


Infrared Transmission Spectrometer with 

Hot & Cold Stretching

OLED Material Temperature Change Test

Temperature Change Test of 

Semiconductor Material

Material Spectrum Temperature Change Test
Microscope Temperature Change Test

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Spectroscopy & Microscopy Solution

Check our solution page Spectroscopy Solutions | Microscopy Solutions

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Compare Model Drawings & Specs Availability Reference Price
Optical Cryo & High Temperature Stage, Temp control range -100 to 400℃, Gas-tight Chamber
6-10 Weeks Request for quote
Optical Cryo & High Temperature Stage, Temp control range -100 to 400℃, Vacuum Chamber
6-10 Weeks Request for quote
Optical Cryo & High Temperature Stage, Temp control range -190 to 600℃, Gas-tight Chamber
6-10 Weeks Request for quote
Optical Cryo & High Temperature Stage, Temp control range RT to 400℃
6-10 Weeks Request for quote
Optical Cryo & High Temperature Stage, Temp control range RT to 800℃
6-10 Weeks Request for quote
Optical Cryo & High Temperature Stage, Temp control range RT to 1200℃
6-10 Weeks Request for quote

RTH1200 - Parameter

RTH800 - Parameter

RTH400 - Parameter

CRYO600-190 - Parameter

CRYO400-100-V - Parameter

CRYO400-100 - Parameter

RTH1200 - Download

RTH800 - Download

RTH400 - Download

CRYO600-190 - Download

CRYO400-100-V - Download

CRYO400-100 - Download


Compare Model Drawings & Specs Availability Reference Price