- Abstract:
- A lead bis(ethynyl)porphyrin polymer possesses strong nonlinear absorption with unprecedented spectral/temporal coverage as a result of broad, overlapping two-photon and excited-state absorption bands with favorable excited-state dynamics. Consequently, this material exhibits effective optical limiting over a range of about 500 nm in the near infrared (ca. 1050 - 1600 nm) and for laser pulsewidths spanning from 75 fs to 40 ns. Introduction of the material in a waveguide device geometry results in a strong optical limiting response.
- Publication status:
- Published
- Publisher copy:
- 10.1364/oe.17.018478
-
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- Publisher:
- Optical Society of American (OSA)
- Journal:
- Optics express
- Volume:
- 17
- Issue:
- 21
- Pages:
- 18478-18488
- Publication date:
- 2009-10-05
- DOI:
- EISSN:
-
1094-4087
- ISSN:
-
1094-4087
- URN:
-
uuid:a70f4bbc-d518-485a-be0e-46e04d196f30
- Source identifiers:
-
51858
- Local pid:
- pubs:51858
- Language:
- English
- Keywords:
- Copyright date:
- 2009
Journal article
Metalloporphyrin polymer with temporally agile, broadband nonlinear absorption for optical limiting in the near infrared.
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