Optical beam-shifter module with high extinction ratio for 1024-input-port optical-switching network

Seiichi Shirai; Kazuo Kimura; Yukio Irita; Noboru Naito; Tadashi Serikawa; Shigeto Kohda; Noriyoshi Yamauchi; Masayasu Yamaguchi

doi:10.1117/12.147926

28 June 1993 Optical beam-shifter module with high extinction ratio for 1024-input-port optical-switching network

Seiichi Shirai, Kazuo Kimura, Yukio Irita, Noboru Naito, Tadashi Serikawa, Shigeto Kohda, Noriyoshi Yamauchi, Masayasu Yamaguchi

Author Affiliations +

Proceedings Volume 1807, Photonic Switching; (1993) https://doi.org/10.1117/12.147926
Event: Topical Meeting on Photonic Switching, 1992, Minsk, Belarus

Abstract

An optical beam shifter module consisting of liquid-crystal cells and a birefringent plate is investigated for a 1024-input-port switching network. High extinction ratio (> 20 dB) and low insertion loss (0.5 dB) are achieved by optimal device design. Precise optical alignment is obtained without any adjustment mechanism by using assembly baseplate and an optical assembly bench.

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Seiichi Shirai, Kazuo Kimura, Yukio Irita, Noboru Naito, Tadashi Serikawa, Shigeto Kohda, Noriyoshi Yamauchi, and Masayasu Yamaguchi "Optical beam-shifter module with high extinction ratio for 1024-input-port optical-switching network", Proc. SPIE 1807, Photonic Switching, (28 June 1993); https://doi.org/10.1117/12.147926

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