Yayınlanmış 1 Ocak 2017
| Sürüm v1
Dergi makalesi
Açık
Optical Phenomena and Processes Induced by Ultrashort Light Pulses in Chalcogenide and Chalcohalide Glassy Semiconductors
- 1. NAS Ukraine, Inst Phys, 46,NaukyProsp, UA-03680 Kiev, Ukraine
- 2. Univ Rennes 1, UMR CNRS 6226, F-35042 Rennes, France
- 3. NAS Ukraine, Karpenko Physicomech Inst, 5,Naukova Str, UA-79060 Lvov, Ukraine
Açıklama
Time-resolved microscopy study of ablation with femtosecond laser pulses in chalcohalide glass and crystal silicon is presented. The laser pulse energy is deposited into the near-surface layer due to two-photon absorption. The superheated liquid is ejected from the ablation spot under the action of supersonic blast wave. Glass-forming process in chalcohalide glass creates optically smooth spherical surface of the crater due to the action of surface tension forces. As a result, single laser pulse produces microlens, which can be transformed into micromirrors after metal sputtering. The fabricated microoptical elements demonstrate diffraction-limited performance.
Dosyalar
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Dosyalar
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