Eye safety implications of high harmonic generation in zinc selenide

CB Marble, SP O'Connor, DT Nodurft, AW Wharmby… - Optics …, 2019 - opg.optica.org
Polycrystalline zinc selenide (ZnSe) has been the subject of many nonlinear optics studies
for wavelengths under 4.0 µm including sum/difference frequency generation, harmonic …