Ytterbium Doped Double Clad Active Fiber Series

j-YDCF Large Mode Area (LMA) Ytterbium-doped Double Clad active fiber with for high-power fiber lasers used in advanced industrial applications. j-YDCF fibers support the demand for >kW output power over one active fiber with brilliant beam quality and cost-efficient use and ownership. Designed for near infrared spectral range, j-fibers j-YDCF offer combined high power delivery, maximum beam quality and best coupling efficiency. The stability and reliability of the fibers make them ideal to support ultra-long pump diode life times in modern fiber laser systems and provide a cost-efficient solution for high-power fiber laser applications in industry, defense and medical applications.

Specification.

Double Clad Fiber (Yb) Design	j-YDCF 7/130	j-YDCF 12/400	YDCF 15/250	YDCF 20/400	Unit
Core Diameter	7 +/-1	12 +/-2	15 +/-2	20 +/-2	µm
Cladding Diamter	130 +/-3	400+/-15	250 +/-5	400 +/-15	µm
Coating Diameter	250 +/-15	520 +/-15	340 +/-15	520 +/-15	µm
Outer Cladding Material	Low Index Polymer	Low Index Polymer	Low Index Polymer	Low Index Polymer
Operating Wavelength	1040-1110	1040-1110	1040-1110	1040-1110	nm
Cladding Absorbtion at 915nm	0.6	0.6	0.6	0.25	dB/m
Caldding Absorbtion at 975nm	1.8	1.8	1.8	0.8	dB/m
Core NA	0.12 +/- 0.02	0.12 +/-0.02	0.08 +/-0.015	0.06 +/-0.01
Cladding NA	0.46	0.46	0.46	0.46
Slope Efficiency (typical)	75	75	75	75	%
Matching Passive Fiber	j-PFL 7/130	j-PFL 12/400	j-PFL 15/250	j-PFL 20/400

 

Features. Benefits.

• Maximum absorption and coupling efficiencies, good splicing performance
  
• Excellent fiber geometry increases power transfer via precise core alignment
  
• High long term stability output power
  
• high temperature stability and increased operating temperature range
  
• High power conversion efficiency for pump cost savings on high power diode pumping
  
• High power output and quality of beam shape profile
  
• Large, high-NA cladding
  
• High Yb-dopant concentration reduces minimum fiber lengths for optimized laser system designs

Applications.

• Mid- to high-power fiber lasers, CW amplifiers
  
• Material processing (cutting, welding, ablation)
  
• Printing industry
  
• Material marking