Polarized beam steering by use of multiply-cascaded rotating polarization gratings with biaxial anisotropy

Moritsugu Sakamoto; Huynh Thanh Nhan; Ryusei Momosaki; Kohei Noda; Tomoyuki Sasaki; Tadayoshi Kamei; Takeya Sakai; Yukitoshi Hattori; Nobuhiro Kawatsuki; Hiroshi Ono

doi:10.1117/12.2593679

2 September 2021 Polarized beam steering by use of multiply-cascaded rotating polarization gratings with biaxial anisotropy

Moritsugu Sakamoto, Huynh Thanh Nhan, Ryusei Momosaki, Kohei Noda, Tomoyuki Sasaki, Tadayoshi Kamei, Takeya Sakai, Yukitoshi Hattori, Nobuhiro Kawatsuki, Hiroshi Ono

Author Affiliations +

Proceedings Volume 11807, Liquid Crystals XXV; 1180704 (2021) https://doi.org/10.1117/12.2593679
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States

Abstract

In this presentation, we propose a scheme for a polarized beam steering system using multiply-cascaded rotating PGs with biaxial anisotropy. Our scheme can steer the polarized beam along both a Lissajous orbit and raster orbit, depending on the synchronization of the rotation frequencies of the PGs. Also, the use of more than two PGs allows us to control the center position of the Lissajous orbit. In addition, by using biaxial anisotropy, the diffraction efficiency and the ellipticity of the steered beam remain almost unchanged during PG rotation. Our beam steering system will apply to LiDAR and laser display.

Conference Presentation

Citation Download Citation

Moritsugu Sakamoto, Huynh Thanh Nhan, Ryusei Momosaki, Kohei Noda, Tomoyuki Sasaki, Tadayoshi Kamei, Takeya Sakai, Yukitoshi Hattori, Nobuhiro Kawatsuki, and Hiroshi Ono "Polarized beam steering by use of multiply-cascaded rotating polarization gratings with biaxial anisotropy", Proc. SPIE 11807, Liquid Crystals XXV, 1180704 (2 September 2021); https://doi.org/10.1117/12.2593679

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available