Opportunity at National Institute of Standards and Technology (NIST)
Ultra-Sensitive Molecular Spectroscopy for Applications in Atmospheric Chemistry
Material Measurement Laboratory, Chemical Sciences Division
Please note: This Agency only participates in the February and August reviews.
|Adam J Fleisher
|Joseph Terence Hodges
|David A Long
We develop new ultra-sensitive cavity-enhanced spectroscopic methods to address existing measurement needs in atmospheric and climate science. These methods involve laser sources, such as quantum cascade lasers and optical frequency combs to make high accuracy measurements of trace materials and for quantitative measurements of line shape parameters to support remote sensing. Recently, we have been developing an optical cavity ring-down spectrometer to probe radiocarbon dioxide (14CO2) transitions in the mid-infrared spectral region for greenhouse gas and fuel source attribution.
Truong GW, et al: "Frequency-agile, rapid scanning spectroscopy." Nature Photonics 7: 532, 2013
Long DA, et al: "Multiheterodyne spectroscopy with optical frequency combs generated from a continuous-wave laser." Optics Letters 39: 2688, 2014
Spectroscopy; Laser; Optical frequency comb; Atmospheric chemistry; Remote sensing; Instrument development; Physical chemistry; Optics; Chemical physics;
Open to U.S. citizens
Open to Postdoctoral applicants