Doppler Limit

Fundamental temperature floor of Doppler laser cooling, set by the balance of cooling and recoil heating.

Specifications & Metrics

type

Cooling

Core Principles & Analysis

• The minimum temperature attainable by Doppler cooling, set by the linewidth of the cooling transition.
• The Doppler limit has been verified experimentally with a gas of metastable helium.
• Sub-Doppler cooling techniques take atoms below this limit.

Sources

• Wikipedia: Doppler cooling (Doppler limit)