Double-Clad Yb-Doped Fibers Series Type 20/400

• Application: Communication, Sensor, Medicine
• Connection Structure: Customized
• Material Shape: Customized
• Allowed Lateral Pressure: Customized
• Allowed Tensile Strength: Customized
• Core: Multicore
• Model NO.: T-OF117
• Certification: CE, ISO9001, CCC
• Brand: OEM
• Sheath Material: Customized
• Transport Package: Carton, Wooden Case
• Specification: 20/400
• Trademark: TOEM
• Origin: China
• Production Capacity: 500000 Kilometer/Year

Product Description

The double-clad ytterbium-doped fiber adopts low module (few-mode) fiber design with low numerical aperture and large core diameter, which can effectively reduce the nonlinear effect and is conducive to realize the laser output with high power and high beam quality. The product adopts optimized optical fiber preparation process and high-performance glass composition, with excellent laser conversion efficiency and anti-light dark performance. Double-coated optical fiber adopts improved low refractive index coating, after 100 kpsi strength screening, has good reliability, consistency and stability, widely used in material processing, additive manufacturing, laser cleaning, scientific research and medical treatment and other fields, can fully meet the needs of all kinds of medium and high power fiber laser users.

Product Characteristics:
1. Low NA,LMA
2. Tight geometric tolerance
3. Low photo darkening
4. Low non-linearity

Applicable to:
Medium or high power fiber losers and amplifiers
CW or pulsed fiber lasers and omplifers
Materials processing,scientific research and medical
Nonlinear Optics
Laser ranging

Specifications:

Part Number	10/125	10/250-HA	20/125	20/125-HA	20/130-HA	20/400	30/250
Optical Parameters
Operating wavelength	1015-1115	1015-1115	1015-1115	1015-1115	015-1115	1015-1115	1015-1115
Core NA	0.075±0.005	0.075±0.005	0.075±0.005	0.075±0.005	0.075±0.005	0.065±0.005	0.060±0.010
Clad NA	≥0.46	≥0.46	≥0.46	≥0.46	≥0.46	≥0.46	≥0.46
(dB/km@915mm) Pump Clad Absorption	1.35±0.15	1.70±0.20	3.0±0.30	6.0±0.60	6.0±0.80	0.40±0.05	2.00±0.20
(dB/km@1200mm) Core Attenuation	≤20.0	≤20.0	≤20.0	≤20.0	≤20.0	≤15.0	≤30.0
(dB/km@1095mm) Cladding Attenuation	≤15.0	≤15.0	≤15.0	≤15.0	≤15.0	≤15.0	≤15.0
Geometrical and Mechanical Parameters
Core Diameter	10.5±1.0	10.5±1.0	20.0±2.0	20.0±2.0	20.0±2.0	20.0±2.0	30.0±2.5
Cladding Diameter	125.0±2.0	125.0±2.0	125.0±2.0	125.0±2.0	130.0±1.0	400.0±10.0	250.0±5.0
Coating Diameter	245.0±10.0	245.0±10.0	245.0±10.0	245.0±10.0	245.0±10.0	550.0±20.0	400.0±15.0
(um) Core/Clad Offs	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤2.0	≤2.0
Coating Materia	Low Index Acrylate	Low Index Acrylate	Low Index Acrylate	Low Index Acrylate	Low Index Acrylate	Low Index Acrylate	Low Index Acrylate
Proof test Leve (0.7GN/m²)	100 kpsi	100 kpsi	100 kpsi	100 kpsi	100kpsi	100 kpsi	100 kpsi

 
Package: Standard

• Excellent
• Excellent geometric uniformity and batch consistency
• Excellent radiation resistance
• W
•  
• ide working temperature range and good full temperature stability
• Excellent birefringence effect
• Excellent long-term reliability
• geometric uniformity and batch consistency
• Excellent radiation resistance
• Wide working temperature range and good full temperature stability
• Excellent birefringence effect
• Excellent long-term reliab