  Microlensing imprints by typical stellar mass lenses on gravitational waves
are challenging to identify in the LIGO and Virgo frequency band because such
effects are weak. However, stellar mass lenses are generally embedded in lens
galaxies such that strong lensing accompanies microlensing. Therefore, events
that are strongly lensed in addition to being microlensed may significantly
improve the inference of the latter. We present a proof of principle
demonstration of how one can use parameter estimation results from one strongly
lensed signal to enhance the inference of the microlensing effects of the other
signal with the Bayesian inference method currently used in gravitational wave
astronomy. We expect this to significantly enhance our future ability to detect
the weak imprints from stellar mass objects on gravitational-wave signals from
colliding compact objects.
