TY - JOUR T1 - Cavity-enhanced resonant photoacoustic spectroscopy with optical feedback cw diode lasers: A novel technique for ultratrace gas analysis and high-resolution spectroscopy. JO - J Chem Phys PY - 2010/07/28 AU - Hippler M AU - Mohr C AU - Keen KA AU - McNaghten ED ED - DO - DOI: 10.1063/1.3461061 VL - 133 IS - 4 SP - 044308 Y2 - 2025/01/03 ER -