j-fibers series of select Cut-off Singlemode fiber is available for a wide range of wavelengths for use in telecommunication, visible and near infrared range applications.

Features

• excellent geometric specifications
  
• high strength
  
• superior fiber geometry tolerances

Applications

• WDM couplers
  
• Pigtail fiber
  
• Fiber sensors
  
• Laser application

Product	j-SM500	j-SM680	j-SM810	j-SM1010	j-SM1230	Unit
Operating Wavelength	500-680	680-800	810-1000	1010-1230	1230-1400	nm
Cut-off Wavelength	470 ± 30	650 ± 30	780 ± 30	980 ± 30	1200 ± 30	nm
Numerical Aperture*	0.12 - 0.14	0.12 - 0.14	0.12 - 0.18	0.12 - 0.19	0.12 - 0.21
Mode Field diameter**	3 - 4	4 - 5	4 - 9	4 - 10	4 - 10	µm
Claddingdiameter***	125 ± 1	125 ± 1	125 ± 1	125 ± 1	125 ± 1	µm

 

* - other Numerical Aperture is available upon request
** - Mode field diameter is a calculated value at the lower operating wavelength range
*** - Cladding diameter of 80µm is available upon request