An optical signal device which is temperature sensitive and has at least one waveguide layer and at least one material incorporated into the device having a coefficient of thermal expansion of from about 20 to 200 ppm/.degree.K sufficient to impart tensile stress to the waveguide layers as the temperature of the optical signal device changes.

Um dispositivo do sinal ótico que seja sensível à temperatura e tenha ao menos uma camada do waveguide e ao menos um material incorporados no dispositivo que tem um coeficiente da expansão térmica de aproximadamente 20 a 200 ppm/.degree.K suficientes dar o stress tensile às camadas do waveguide porque a temperatura do dispositivo do sinal ótico muda.

 
Web www.patentalert.com

< Rotatable optical fiber cable holder

< Optical fiber retention device

> Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber

> Optical transmission line and optical transmission system including the same

~ 00098