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Conference Paper: Modeling the optical constants of AlN and 6H-SiC
Title | Modeling the optical constants of AlN and 6H-SiC |
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Authors | |
Issue Date | 1999 |
Publisher | S P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml |
Citation | International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, New Delhi, India, 14-18 December 1998. In Proceedings of SPIE - The International Society For Optical Engineering, 1999, v. 3666, p. 260-267 How to Cite? |
Abstract | Optical constants of hexagonal AlN in the range 6-20 eV and 6H-SiC in the range 1-30 eV for the component perpendicular to the c axis are modeled using modified Adachi's model of the optical properties of semiconductors. Model parameters are determined by acceptance-probability-controlled simulated annealing. Main distinguishing feature of the model employed here is the use of variable broadening instead of the conventional Lorentzian one. In such a manner, broadening function can vary over a range of functions with similar kernels but different wings. Therefore, excessive absorption inherent to Lorentzian broadening can be reduced so that better agreement with experimental data can be achieved. Relative rms errors for the real and imaginary parts of the index of refraction, respectively, equal 3.5% and 5.2% for 6H-SiC and 1.5% and 1.9% for AlN. |
Persistent Identifier | http://hdl.handle.net/10722/174774 |
ISSN | 2023 SCImago Journal Rankings: 0.152 |
DC Field | Value | Language |
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dc.contributor.author | Djurisic, Aleksandra B | en_US |
dc.contributor.author | Chan, KitSum | en_US |
dc.contributor.author | Li, EHerbert | en_US |
dc.date.accessioned | 2012-11-26T08:47:22Z | - |
dc.date.available | 2012-11-26T08:47:22Z | - |
dc.date.issued | 1999 | en_US |
dc.identifier.citation | International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, New Delhi, India, 14-18 December 1998. In Proceedings of SPIE - The International Society For Optical Engineering, 1999, v. 3666, p. 260-267 | en_US |
dc.identifier.issn | 0277-786X | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/174774 | - |
dc.description.abstract | Optical constants of hexagonal AlN in the range 6-20 eV and 6H-SiC in the range 1-30 eV for the component perpendicular to the c axis are modeled using modified Adachi's model of the optical properties of semiconductors. Model parameters are determined by acceptance-probability-controlled simulated annealing. Main distinguishing feature of the model employed here is the use of variable broadening instead of the conventional Lorentzian one. In such a manner, broadening function can vary over a range of functions with similar kernels but different wings. Therefore, excessive absorption inherent to Lorentzian broadening can be reduced so that better agreement with experimental data can be achieved. Relative rms errors for the real and imaginary parts of the index of refraction, respectively, equal 3.5% and 5.2% for 6H-SiC and 1.5% and 1.9% for AlN. | en_US |
dc.language | eng | en_US |
dc.publisher | S P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml | en_US |
dc.relation.ispartof | Proceedings of SPIE - The International Society for Optical Engineering | en_US |
dc.title | Modeling the optical constants of AlN and 6H-SiC | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Djurisic, Aleksandra B: dalek@hku.hk | en_US |
dc.identifier.authority | Djurisic, Aleksandra B=rp00690 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1117/12.347930 | - |
dc.identifier.scopus | eid_2-s2.0-0032647863 | en_US |
dc.identifier.volume | 3666 | en_US |
dc.identifier.spage | 260 | en_US |
dc.identifier.epage | 267 | en_US |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Djurisic, Aleksandra B=7004904830 | en_US |
dc.identifier.scopusauthorid | Chan, KitSum=7406033266 | en_US |
dc.identifier.scopusauthorid | Li, EHerbert=7201410087 | en_US |
dc.identifier.issnl | 0277-786X | - |