Technologies related to production of millikelvin temperature have been developed and tested in the laboratory. All the critical components were assembled to make a complete dilution refrigerator. The refrigerator was successfully run and commissioned in VECC. The system involves several advanced cryogenic concepts especially the capillary impedance and heat exchanger. A temperature to the tune of 50 mK has been achieved. This is the first development of its kind in India, and likely to usher a new wave in the research arena of advanced cryogenics.

Anindya Roy

Department of Biotechnology

N.K. Das

J. Pradhan

B.C. Mondal

Z.A. Naser

P. Kumar

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Current Science

Indigenous development of a millikelvin refrigerator at VECC, Kolkata

Journal	Current Science
Publisher	Indian Academy of Sciences
ISSN	00113891