Optical cable for communication

Details Optical cable for communication Optical cable for communication

G - Physics

02

B

G02B 6/44 (2006.01)

Patent

CA 2581377

An optical cable (5, 105) for communication comprising at least one micromodule (1), said micromodule being blocked with respect to the propagation of water is described. The at least one micromodule (1) comprises at least one optical fiber (2), a retaining element (3) for housing the at least one optical fiber (2), and a thixotropic filling compound (4) arranged within the retaining element (3). According to the invention, the filling compound (4) is thixotropic, has a viscosity higher than or equal to 700 Pa-s at zero shear rate and at a first temperature of 20~C, a loss modulus G" lower than or equal to 3000 MPa at 1 Hz and at a second temperature of -45~C, and is compatible with said retaining element.

L'invention concerne un câble optique (5, 105) de communication comprenant au moins un micromodule (1), ce micromodule étant bloqué par rapport à la propagation de l'eau. Ce micromodule (1) comprend au moins une fibre optique (2), un élément de retenue (3) destiné à loger la fibre optique (2), et un composé de remplissage thixotropique (4) placé dans l'élément de retenue (3). Selon l'invention, le composé de remplissage (4) est thixotropique, et possède une viscosité supérieure ou égale à 700 Pa . s à une vitesse de cisaillement nulle et à une première température de 20°C, à un module de perte G" inférieur ou égal à 3 000 MPa à 1 Hz et à une seconde température de -45 °C, et est compatible avec l'élément de retenue.

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