Single longitudinal-mode operation is also achieved by employing Sagnac loop saturable absorber filter. The delayed self homodyne linewidth measurement of the dual-wavelength continuous-wave laser ...

In this work, the diffraction of electromagnetic waves by rectangular waveguides with a longitudinal slit is simulated. Modeling the characteristics of such a rectangular waveguide allows predicting ...

Longitudinal transitions of exclusive and polytobacco electronic nicotine delivery systems (ends) use among youth, young adults and adults in the USA: findings from the path study waves 1-3 (2013-2016 ...