基本信息:
- 专利标题: ACTIVE OPTICAL FIBER AND METHOD FOR FABRICATING AN ACTIVE OPTICAL FIBER
- 专利标题(中):活性光纤和制作活性光纤的方法
- 申请号:PCT/FI2008/050540 申请日:2008-09-29
- 公开(公告)号:WO2009043968A1 公开(公告)日:2009-04-09
- 发明人: CHAMOROVSKIY, Yuriy , OKHOTNIKOV, Oleg , PESSA, Markus , FILIPPOV, Valery
- 申请人: OPTOELECTRONICS RESEARCH CENTRE, TAMPERE UNIVERSITY OF TECHNOLOGY , CHAMOROVSKIY, Yuriy , OKHOTNIKOV, Oleg , PESSA, Markus , FILIPPOV, Valery
- 申请人地址: P.O. Box 692 FI-33101 Tampere FI
- 专利权人: OPTOELECTRONICS RESEARCH CENTRE, TAMPERE UNIVERSITY OF TECHNOLOGY,CHAMOROVSKIY, Yuriy,OKHOTNIKOV, Oleg,PESSA, Markus,FILIPPOV, Valery
- 当前专利权人: OPTOELECTRONICS RESEARCH CENTRE, TAMPERE UNIVERSITY OF TECHNOLOGY,CHAMOROVSKIY, Yuriy,OKHOTNIKOV, Oleg,PESSA, Markus,FILIPPOV, Valery
- 当前专利权人地址: P.O. Box 692 FI-33101 Tampere FI
- 代理机构: PAPULA OY
- 优先权: FIPCT/FI2007/050540 20071003
- 主分类号: H01S3/067
- IPC分类号: H01S3/067 ; C03B37/027 ; G02B6/036
摘要:
A section ofactive optical fiber (11) which comprises an active core (1),an inner cladding layer (2) andan outer cladding layer (3).The diameter of said core (1) and the thickness of said inner cladding (2) change gradually along the length of said section of active optical fiber (11). This formsa tapered longitudinal profile enabling a continuous mode conversion process alongthe length of the section of fiber (11). The method for fabricating a section of tapered active optical fibercomprises the steps of fabricating a preform for drawing active optical fiber from said preform,installing said preform into a drawing tower, drawing optical fiber in said drawing tower and altering at least one of the two parameters including the take-off preform speed and the take-up fiber speed during drawing of the optical fiber.
摘要(中):
一种活性光纤(11),其包括有源芯(1),内包层(2)和外包层(3)。所述芯(1)的直径和所述内包层(2)的厚度, 沿着有源光纤(11)的所述部分的长度逐渐变化。 这形成了沿着纤维(11)的截面的长度的连续模式转换过程的锥形纵向轮廓。 用于制造锥形有源光纤部分的方法包括制造用于从所述预成型件拉制有效光纤的预成型件的步骤,将所述预成型件安装到拉伸塔中,在所述拉伸塔中拉制光纤并改变两个参数中的至少一个 包括在拉伸光纤时的起飞预制速度和卷绕光纤速度。