id author title date pages extension mime words sentence flesch summary cache txt sj13902391d Galen H. Harden Improvements in Optical Spectroscopy: Rotationally Asymmetric Multipass Cells and Progress toward Optically Pumped Deep-UV Semiconductor Lasers 2020 .txt text/plain 512 21 44 Optical detection methods are particularly useful because they are nondestructive, non-contact solutions, and can be used for standoff detection. In this work we present our work towards increasing the sensitivity of optical detection methods. cache/sj13902391d.txt txt/sj13902391d.txt