Normally-off liquid crystal VOA achieves temperature invariant attenuation through passive thermal compensation

J.J. Pan,Feng-Qing Zhou,Haiming Wu,Henry He,Yousheng Wu,Xiangdong Qiu,Joy Jiang

Normally-off liquid crystal VOA achieves temperature invariant attenuation through passive thermal compensation

2004

J.J. Pan
Feng-Qing Zhou
Haiming Wu
Henry He
Yousheng Wu
Xiangdong Qiu
Joy Jiang

Through the orthogonal alignment of an additional passive LC cell, identical to the first, into a normally-on LC VOA, a normally-off VOA with temperature insensitive attenuation was achieved by means of passive thermal compensation.

Keywords:

Attenuation
Thermal
Liquid crystal
Optics
Invariant (mathematics)
Voltage
Electronic engineering
Engineering
Light beam
normally off
optical receivers

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