Tunable dispersion compensator designing and making method
Title：
Tunable dispersion compensator designing and making method
Application Number：
 200410000339
Application Date：
 2004/01/09
Announcement Date：
 2005/07/20
Pub. Date：
 2007/03/07
Publication Number：
 1641390
Announcement Number：
 1303446
Grant Date：
 2007-3-7
Granted Pub. Date：
 2007-3-7
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G02B 6/34, G02B 6/26, H04B 10/12
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Jiang Dianjie, Chen Xiangfei, Dai Yitang
Key Words：
 Tunable, dispersion compensator, designing, making method
Abstract：
 The design and production of tunable dispersive compensator belongs to the fiber communications technological field. The hard core of this invention is a hit-the-toe sampling fiber raster with a twice time lag curve. The fiber raster adopts a linear chatter phasic templet production, and uses the chatter sampling period (CSP) to compensate the chatter grating period (CGP) from the templet to make the change bound of the raster sampling period narrow and then to make the producing process more simply and more steady. Otherwise in the design and producing process of the fiber raster, compensate the average refractive index change from the toe-hit by introducing the CSP. Therefore the production and toe-hit can be complete at a time in which just once exposal is needed. Finally fix the fiber raster on the exact mechanical tuning device, to extend the fiber raster under the control of microcomputer and then control the dispersive compensatory quantity.
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