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Measurements of Light Extinction by Single Aerosol Particles.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Walker, Jim S. Carruthers, Antonia E. Orr-Ewing, Andrew J. Reid, Jonathan P. |
| Copyright Year | 2013 |
| Abstract | A Bessel beam optical trap is combined with continuous wave cavity ringdown spectroscopy to measure the extinction cross section of individual aerosol particles. Particles, ∼1 μm in size, can be captured indefinitely and processes that transform size or refractive index studied. The measured light extinction induced by the particle is shown to depend on the position of the particle in the cavity, allowing accurate measurements of the mode structure of a high finesse optical cavity without significant perturbation. The variation in extinction efficiency of a sodium chloride droplet with relative humidity is shown to agree well with predictions from Mie scattering theory. |
| Starting Page | 716 |
| Ending Page | 717 |
| Page Count | 2 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://research-information.bristol.ac.uk/files/32554456/Single_aerosol_CRDS_JPCLett_2013.pdf |
| Alternate Webpage(s) | http://research-information.bristol.ac.uk/files/32554456/Single_aerosol_CRDS_JPCLett_2013.pdf |
| PubMed reference number | 26282989v1 |
| Alternate Webpage(s) | https://doi.org/10.1021/jz4008068 |
| DOI | 10.1021/jz4008068 |
| Journal | The journal of physical chemistry letters |
| Volume Number | 4 |
| Issue Number | 10 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Aerosol Dose Form Body cavities Chloride Ion Exposure to Humidity Extinction, Psychological Optical Trap Sodium Chloride |
| Content Type | Text |
| Resource Type | Article |
