1. Slow Light Imaging Spectroscopy with a Passive Atomic Filter
2. Daniel A. Steck, "Rubidium 85 D Line Data," available online at http://steck.us/alkalidata (revision 2.2.1, 21 November 2019).
3. Daniel A. Steck, "Rubidium 87 D Line Data," available online at http://steck.us/alkalidata (revision 2.2.1, 21 November 2019).
4. Daniel A. Steck, "Cesium D Line Data," available online at http://steck.us/alkalidata (revision 2.2.1, 21 November 2019).
5. Filtered Rayleigh Scattering and Dispersion Filters in between 380 to 420 nm for Atmospheric Temperature Profiling