In:
Modern Physics Letters B, World Scientific Pub Co Pte Ltd, Vol. 33, No. 33 ( 2019-11-30), p. 1950420-
Kurzfassung:
In order to obtain a [Formula: see text] grating with high performance, we designed a double-layer reflective grating beam splitter with a covering layer at a wavelength of 1550 nm. We obtain a better grating structure by modal analysis and rigorous coupled-wave method. The reflectivity of the three diffraction orders for the grating is close to 33.3%. The optimized data show that the grating beam splitter has a large period process tolerance for TE polarization. The grating performance has high incident performance and uniform splitting effect.
Materialart:
Online-Ressource
ISSN:
0217-9849
,
1793-6640
DOI:
10.1142/S0217984919504207
Sprache:
Englisch
Verlag:
World Scientific Pub Co Pte Ltd
Publikationsdatum:
2019