Abstract

This study realizes integrated polarizer and RGB (red, green, and blue) color filters using single- and multiple-layered subwavelength metallic grating structures. A hybrid numerical scheme based on the rigorous coupled-wave analysis method and a genetic algorithm is used to determine the optimal values of the grating period, filling factor, and grating thickness of three different grating structures, namely, a single-layer grating, a double-layer grating, and a double-layer grating with a lateral shift. The optical performance of the various structures is evaluated and compared in terms of the transmission efficiency at the center wavelengths 700.0nm, 546.1nm, and 435.8nm of red, green, and blue light, respectively, and the extinction ratio over the visible wavelength spectrum (380780nm). It is shown that the double-layer grating achieves a transmission efficiency of about 50% and an extinction ratio of around 60dB. Thus, this grating structure provides a convenient and effective means of achieving the polarizing and filtering functions in LCD panels using a single device.

© 2011 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Polarizing color filter based on a subwavelength metal–dielectric grating

Yan Ye, Yun Zhou, Heng Zhang, and Linsen Chen
Appl. Opt. 50(10) 1356-1363 (2011)

Color filter based on a two-dimensional submicrometer metal grating

Yan Ye, Yun zhou, and Linsen Chen
Appl. Opt. 48(27) 5035-5039 (2009)

Color filter based on a subwavelength patterned metal grating

Hong-Shik Lee, Yeo-Taek Yoon, Sang-Shin Lee, Sang-Hoon Kim, and Ki-Dong Lee
Opt. Express 15(23) 15457-15463 (2007)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (8)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (13)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription