Title:
ダブルクラッドファイバ及びその製造方法
Document Type and Number:
Japanese Patent JP4080701
Kind Code:
B2
Abstract:
A method of manufacturing a double clad fiber, comprising the steps of drawing a preform (2) manufactured by disposing core rods (21a), first clad rods (22a), and second clad capillaries (23a) in a support tube (24) for fiberization, whereby a second clad (13) of a double clad fiber (1) is formed in a porous structure having a large number of pores (13a) extending in the center axis direction of the fiber.
Inventors:
Tetsuya Yamamoto
Norio Naka
▲吉▼田 実
Moriyuki Fujita
Masataka Nakazawa
Kubota Hirokazu
Satoru Kawanishi
Norio Naka
▲吉▼田 実
Moriyuki Fujita
Masataka Nakazawa
Kubota Hirokazu
Satoru Kawanishi
Application Number:
JP2001081963A
Publication Date:
April 23, 2008
Filing Date:
March 22, 2001
Export Citation:
Assignee:
Mitsubishi Cable Industries, Ltd.
Nippon Telegraph and Telephone Corporation
Nippon Telegraph and Telephone Corporation
International Classes:
G02B6/036; C03B37/012; C03B37/027; G02B6/00; G02B6/02; G02B6/032
Domestic Patent References:
| JP11142672A | ||||
| JP10095628A | ||||
| JP8295524A | ||||
| JP5264828A |
Other References:
Opticl Fiber Communication Conference 2001 p.TuC5-1~TuC5-3
Opticl Fiber Communication Conference 2000 Vol.3 p.ThG4-1~ThG4-3
Opticl Fiber Communication Conference 2000 Vol.3 p.ThG4-1~ThG4-3
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita