The closed-cycle cryostat is a silent, portable, plug-in-the-wall, cryogenic-liquid free source of THz light powered by a Stirling engine.

• Dimensions : 200 x 250 x 350 mm
•  Weight: 17 Kg
•  Max. total power consumption: 300W
•  Cool-down time to operation ready (65K): 15 minutes
•  Minimum operation temperature – cold side: 65K
• Acoustic noise: < 30dB

The laser sits on a cold finger in a sealed enclosure. It is possible to put two independent lasers on the same cold finger.