Tolerances in microlens fabrication by multilevel etching and mass-transport smoothing

A method is developed for the quantitative assessment of microlens deficiencies caused by inaccuracies in the multistep mesa fabrication or by incomplete mass-transport smoothing. Analytical expressions are obtained and tolerable imperfections are deduced for the practical effort-saving fabrication...

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Veröffentlicht in:Applied Optics 1994-11, Vol.33 (31), p.7371-7376
Hauptverfasser: Liau, Z L, Nam, D W, Waarts, R G
Format: Artikel
Sprache:eng
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Zusammenfassung:A method is developed for the quantitative assessment of microlens deficiencies caused by inaccuracies in the multistep mesa fabrication or by incomplete mass-transport smoothing. Analytical expressions are obtained and tolerable imperfections are deduced for the practical effort-saving fabrication of highperformance micro-optical elements.
ISSN:1559-128X
0003-6935
1539-4522
DOI:10.1364/AO.33.007371