Answers are grounded in this paper and cite their sources.
Tuning the wavelength of a laser emission by mechanical deformation is not as implausible as it may seem. This communication proves that it can be done with cholesteric liquid crystal elastomers. The Figure shows what happens when a beam is focussed on the sample in its relaxed (left) and its stretched form (right).
No takes yet. Share an insight, caveat, or question.
Finkelmann et al. (2001) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: