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Specific features of resonant nonlinear absorption in colloidal solutions of CdSe/ZnS quantum dots
| Content Provider | Semantic Scholar |
|---|---|
| Author | Danilov, V. V. Panfutova, A. C. Khrebtov, A. I. Titova, T. N. |
| Copyright Year | 2015 |
| Abstract | Nonlinear refraction coefficients and nonlinear absorption coefficients of colloidal solutions of CdSe/ZnS quantum dots (QDs) have been measured by the z-scan method. Resonant excitation was carried out by a Nd:YAG laser (λ = 532 nm, τ ∼ 7 ns). QDs have been chosen to correspond to different positions of the peak of the fundamental exciton absorption band with respect to the laser wavelength. The z-scan data are compared with the optical-limitation photodynamics data on CdSe/ZnS QD solutions. The obtained values of nonlinear absorption coefficients and their dependence on the QD size are interpreted in terms of the two-step mechanism of optical limitation. |
| Starting Page | 94 |
| Ending Page | 98 |
| Page Count | 5 |
| File Format | PDF HTM / HTML |
| DOI | 10.1134/S0030400X15010099 |
| Volume Number | 118 |
| Alternate Webpage(s) | https://page-one.springer.com/pdf/preview/10.1134/S0030400X15010099 |
| Alternate Webpage(s) | https://doi.org/10.1134/S0030400X15010099 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
