A.K.Y. Ngai

No evidence for substantial aerobic methane emission by terrestrial plants: a ¹³ C‐labelling approach

Tom Dueck, Ries de Visser, Hendrik Poorter et al. · New Phytologist · 2007 · 181 citations

Automatically tunable continuous-wave optical parametric oscillator for high-resolution spectroscopy and sensitive trace-gas detection

A.K.Y. Ngai, Stefan Persijn, Golo von Basum et al. · Applied Physics B · 2006 · 72 citations

Photonics, Photonic Sensor, Engineering +10

Optical parametric oscillator-based photoacoustic detection of CO2 at 4.23 μm allows real-time monitoring of the respiration of small insects

Maarten M. J. W. van Herpen, A.K.Y. Ngai, Scott E. Bisson et al. · Applied Physics B · 2006 · 51 citations · Full text

Real-time Monitoring, Engineering, Spectroscopy +5

Continuous wave optical parametric oscillator for quartz-enhanced photoacoustic trace gas sensing

A.K.Y. Ngai, Stefan Persijn, Ian Lindsay et al. · Applied Physics B · 2007 · 49 citations · Full text

Photonic Sensor, Engineering, Gas Sensor +16

Combined wide pump tuning and high power of a continuous-wave, singly resonant optical parametric oscillator

Maarten M. J. W. van Herpen, Scott E. Bisson, A.K.Y. Ngai et al. · Applied Physics B · 2004 · 37 citations

Optical Pumping, Photonics, Wide Pump Tuning +7