@article{1161,
  author = {Nathan Li and Lei Tao and Hongming Yi and Chul Kim and Mijin Kim and Chadwick Canedy and Charles Merritt and William Bewley and Igor Vurgaftman and Jerry Meyer and Mark Zondlo},
  title = {Methane detection using an interband-cascade LED coupled to a hollow-core fiber},
  abstract = {Midwave infrared interband-cascade light-emitting devices (ICLEDs) have the potential to improve the selectivity, stability, and sensitivity of low-cost gas sensors. We demonstrate a broadband direct absorption CH 4 sensor with an ICLED coupled to a plastic hollow-core fiber (1 m length, 1500 {\textmu}m inner diameter). The sensor achieves a 1σ noise equivalent absorption of approximately 0.2 ppmv CH 4 at 1 Hz, while operating at a low drive power of 0.5 mW. A low-cost sub-ppmv CH 4 sensor would make monitoring emissions more affordable and more accessible for many relevant industries, such as the petroleum, agriculture, and waste industries.},
  year = {2021},
  journal = {Optics Express},
  volume = {29},
  number = {5},
  pages = {7221},
  month = {mar},
  issn = {1094-4087},
  url = {https://opg.optica.org/abstract.cfm?URI=oe-29-5-7221},
  doi = {10.1364/OE.415724},
  language = {en},
}