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- Title
Fabrication and characterization of sub 100 nm period polymer gratings for photonics applications.
- Authors
Sangeeth, K.; Hegde, G. M.
- Abstract
We report on the fabrication of polymethylmethacrylate (PMMA) nanogratings on silicon (Si) and glass substrates using electron beam lithography technique. Various aspects of proximity corrections using Monte Carlo simulation have been discussed. The fabrication process parameters such as proximity gap of exposure, exposure dosage and developing conditions have been optimized for high-density PMMA nanogratings structure on Si and glass substrates. Electron beam exposure is adjusted in such a way that PMMA acts as a negative tone resist and at the same time resolution loss due to proximity effect is minimum. Both reflection and transmission-type, nanometre period gratings have been fabricated and their diffraction characteristics are evaluated.
- Subjects
POLYMETHYLMETHACRYLATE; MONTE Carlo method; ELECTRON beam lithography; DIFFRACTION gratings; SILICON; FABRICATION (Manufacturing); NANOPHOTONICS
- Publication
Current Science (00113891), 2014, Vol 107, Issue 5, p749
- ISSN
0011-3891
- Publication type
Article