TY - RPRT TI - Compact CH4 sensor based on difference frequency mixing of diode lasers in quasi-phasematched LiNbO3 AU - Lancaster, D. G. AU - Weidner, R. AU - Richter, D. AU - Tittel, F. K. AU - Limpert, J. PY - 2000 UR - https://ntrs.nasa.gov/citations/20040088822 ID - 20040088822 ER -