Reciprocal of the
thermal diffusion depth (
\(L\)).
\(a_{\rm{s}} = 1/L\).
Note:
SI unit: \(\pu{m-1}\).
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 767 (https://doi.org/10.1515/pac-2019-0203)