000000078 001__ 78 000000078 005__ 20231130114535.0 000000078 0247_ $$2DOI$$a10.6083/M4WW7FKH 000000078 037__ $$aETD 000000078 245__ $$aA diode laser source for DIAL methane measurements in coal mines 000000078 260__ $$bOregon Graduate Center 000000078 269__ $$a1985 000000078 336__ $$aDissertation 000000078 502__ $$bPh.D. 000000078 540__ $$fCC BY 000000078 542__ $$fIn copyright - single owner 000000078 6531_ $$asemiconductor lasers 000000078 6531_ $$ainjection lasers 000000078 6531_ $$acoal mines and mining 000000078 692__ $$aDepartment of Electrical Engineering and Applied Physics$$041410 000000078 7001_ $$aDeFreez, Richard K. 000000078 7001_ $$uOregon Graduate Center$$041351 000000078 8564_ $$916da301b-41f8-41b1-8625-328a4d790478$$s5394087$$uhttps://digitalcollections.ohsu.edu/record/78/files/78_etd.pdf 000000078 905__ $$a/rest/prod/m0/39/k4/90/m039k4903 000000078 909CO $$ooai:digitalcollections.ohsu.edu:78$$pstudent-work 000000078 980__ $$aTheses and Dissertations