| Patent Number |
Title Of Patent |
Date Issued |
| 6614976 |
Optical fiber having a large positive dispersion |
September 2, 2003 |
| The present invention relates to an optical fiber having a large positive dispersion in a wavelength band of 1.55 .mu.m in order to compensate for a negative dispersion inherent in an NZ-DSF in the wavelength band of 1.55 .mu.m. This optical fiber comprises a depressed cladding structure |
| 6337942 |
Optical fiber |
January 8, 2002 |
| The present invention relates to an optical fiber having a large positive dispersion in a wavelength band of 1.55 .mu.m in order to compensate for a negative dispersion inherent in an NZ-DSF in the wavelength band of 1.55 .mu.m. This optical fiber comprises a depressed cladding structure |
| 5597398 |
Process for producing glass preform for optical fiber |
January 28, 1997 |
| A process for producing a porous glass preform for optical fiber by depositing fine glass particles on an outer surface of a glass material while moving the glass material, including the steps of: preheating a portion of the glass material for not less than 5 minutes to clean the por |
