✦ LIBER ✦

Wavelength-insensitive optical switch: Another application of the twist nematic liquid crystal display panel

✍ Scribed by Kun-Yi Lee; Wei-Ching Chuang; Wei-Yu Lee; Kuen-Cherng Lin

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 542 KB
Volume: 13
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19961220)13:6<351::aid-mop11>3.0.co;2-6

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✦ Synopsis

We propose a wavelength-insensitwe optical switch thar has a twist nematic liquid crystal display (TN-LCD) panel for multimode or singlemode fiber communication systems application. The preferable operating frequency of the device i s O.lk-lOk Hz ac wave. The critical and saturated voltages are as low as 3 Vrms and 5.8 Vrms, respectively. A high extinction ratio of 28.3 dB is obtained.