Michelle Coffie 19 May 2020 Application Note Temperature related property characterisation of solar cells using Linkam’s LTS series. Michelle Coffie 19 May 2020 Application Note LTS420 shown above. Researchers at the US National Renewable Energy Laboratory (NREL) used a Linkam LTS350 stage (now replaced by the LTS420) to study the temperature dependent properties of solar cells.Find out more here.