Fiber Preform

Fiber Preform

Keywords: Quartz Tubes, Fiber Preforms, Fluorine, Silica, Germanium ,doped
Jun 05, 2020 View: 2644 Data Sheet

We provide key raw materials for optical fiber preforms, promoting the widespread applications of specialty optical fibers in the industrial field with high quality, reasonable price and custom-design & -fabrication.

SFL Series Quartz Tubes and Fiber Preforms

We provide key raw materials for optical fiber preforms, promoting the widespread applications of specialty optical fibers in the industrial field with high quality, reasonable price and custom-design & -fabrication.

1. Fluorine Doped Quartz Tube

Fluorine Doped Quartz Tube is mainly used for triple clad active fibers to protect the coating for the high-power pump light to the coating layer and improve the stability of laser systems.

  • High fluorine doping concentration

  • Precise geometric control

  • Good temperature resistance performance

Technical Specifications:

Part number

SFL-FJT17.8/54.5/1000

SFL-FJT16/39.6/500

NA

0.22

0.22

Outside diameter (mm)

54.5±0.6

39.6±0.6

Inside diameter (mm)

17.8±0.5

16±0.5

Edge margin(mm)

47.8±0.4

34.4±0.4

Length (mm)

1000±50

500±50

Material

Fluorine-doped   silicon dioxide

Fluorine-doped   silicon dioxide

Core diameter (mm)

3.5

2.5

2. High OH Pure Silica Quartz Rod

High OH pure silica quartz rod is mainly used for ultraviolet fiber, pure silicon core high hydroxyl structure, low attenuation and excellent radiation resistance property in ultraviolet wavelength range.

  • Excellent UV transmittance

  • High refractive index homogeneity

  • Excellent high temperature stability

 

Part number

SFL-SQ1

Length (mm)

500-1000

Outside diameter (mm)

Customizable

OH content (ppm)

1200

Refractive indices nd

1.45843

Strain point (°C) (η=10   14.5 dPa·s s)

980

Annealing point(°C) (η=10   1013 .0 dPa·s)

1080

Softening point (°C) (η=10   7.6 dPa·s s)

1600

3. Fluorine Doped Preforms

The step refractive index multimode preform is made from high-purity quartz as the core rod. Atmospheric pressure plasma external deposition process can satisfy the customization requirement of the customers.

  • Deep fluorine doped cladding

  • Waveguide can be designed

  • Flexible NA and CCDR

 

Part Number

SFL-8249

SFL-8239

SFL-8251

Index profile

Stepped

Stepped

Stepped

Inner cladding CCDR

1.1±0.015

1.19±0.015

1.15±0.015

Outer cladding CCDR

/

/

/

NA

0.22±0.02

0.22±0.02

0.22±0.02

Outside diameter (mm)

Customizable

Length (mm)

500-1000

500-1000

500-1000

Preform   non-circularity (%)

≤2.0

≤2.0

≤2.0

Core material

Pure silica quartz

Cladding material

Fluorine doped quartz

4. UV Fluorine Doped Preforms

The step refractive index multimode preform is made from high hydroxyl pure quartz as the core rod. Atmospheric pressure plasma external deposition process can satisfy the customization requirement of the customers. 

  • Deep fluorine doped cladding

  • Waveguide can be designed

  • Flexible NA and CCDR 

Part Number

SFL-8247

SFL-8238

SFL-8260

Index profile

Stepped

Stepped

Stepped

Inner cladding CCDR

1.1±0.015

1.19±0.015

2.5±0.015

Outer cladding CCDR

0.22±0.02

0.22±0.02

0.22±0.02

NA

49.5±0.5

38.0±1.0

60.0±0.5

Outside diameter(mm)

500~1000

500~1000

500~1000

Length(mm)

≤2.0

≤2.0

≤2.0

Preform   non-circularity (%)

High hydroxyl pure   silicon quartz

Core material

Fluorine doped quartz

5. W-type Fluorine Doped Preforms

The step refractive index multimode W-type fluorine doped preform is made from high hydroxyl pure quartz as the core rod. Atmospheric pressure plasma external deposition process can satisfy the customization requirement of the customers. 

  • Deep fluorine doped cladding

  • Waveguide can be designed

  • Flexible NA and CCDR

Part Number

SFL-8248

SFL-8242

SFL-8244

SFL-8250

Index profile

Stepped

Stepped

Stepped

Stepped

Inner cladding CCDR

1.1±0.015

1.13±0.015

1.2±0.015

1.4±0.015

NA

0.22±0.02

0.22±0.02

0.22±0.02

0.22±0.02

Outside diameter(mm)

49.5±0.5

42.0±0.5

44.5±0.5

50.0±1.0

Length(mm)

500~1000

500~1000

500~1000

500~1000

Preform   non-circularity (%)

≤2.0

≤2.0

≤2.0

≤2.0

Core layer material

Pure silica quartz

Inner cladding   material

Fluorine doped quartz

Outer cladding   material

Pure silica quartz

6. Germanium Fluorine Co-doped Preforms

Germanium fluorine co-doped preforms use the germanium doped quartz as the core rod, fluorine doped quartz as the cladding. Mainly used for producing passive waveguide single-mode optical fiber which is applied in industrial laser fields such as communication, industry, and medical treatment.

Features

  • Low NA single mode output

  • Low splice loss

  • High reliability of light matching

Applications

  • Continuous/Pulsed Laser

  • Communication Industry

  • Pigtail Output

  • Fiber Combiner

  • Fiber Grating

Part Number

SFL2118

SFL 2114

SFL 2117

SFL 2123

SFL 2119

SFL 2124

SFL 2112

SFL 2111


Refractive Index Profile

Stepped

Cladding CCDR

11.8±1.0

17.03±0.5

6.5±0.5

12.35±1.0

19.75±1.0

9.88±0.5

9.88±0.5

9.88±0.5


NA

0.08±0.01

0.070±0.005

0.08±0.01

0.065±0.005

0.065±0.005

0.065±0.005

0.085±0.005

0.11±0.01


Outer Diameter (mm)

Customizable

Length (mm)

500~1000

Preform Non-circularity(%)

≤2.0

Core Material

Germanium Doped Quartz

Cladding Material

Fluorine Doped Quartz


Part Number

SFL 2120

SFL 2113

SFL 2125

SFL 2116

SFL 2126

SFL 2121

SFL 2115

SFL 2122

Refractive Index Profile

Stepped

Cladding CCDR

15.80±1.0

8.10±0.2

13.17±0.5

7.06±0.2

11.29±0.5

11.29±0.5

4.94±0.25

7.90±0.25

NA

0.065±0.005

0.065±0.005

0.075±0.005

0.11±0.01

0.075±0.005

0.11±0.005

0.11±0.01

0.11±0.01

Outer Diameter (mm)

Customizable

Length (mm)

500~1000

Preform Non-circularity (%)

≤2.0

Core Material

Germanium Doped Quartz

Cladding Material

Fluorine Doped Quartz

Note: Product size and waveguide structure can be customized according to customer requirements.

7. Industry Applications and Solutions-Industrial Lasers

We provide key raw materials for fiber lasers and the wide applications of specialty optical fibers in the industrial fields with fiber preform and quarts tubes.

 

Detailed Data Sheets of Fiber Preforms

1. Fluorine-doped Quartz Tube

The waveguide structure of Triple-cladding Active Optical Fibers (AOF), compared to Double-cladding Optical Fibers, can enable most of the pump light to reflect at the cladding, significantly improving the thermal management of the fiber, significantly reducing the reflection of high-power density pump light at the fragile organic coating layer, thereby greatly improving the stability and reliability of the entire laser optical path.

Fluorine-doped quartz tubes have the advantages of high fluorine concentration, low OH content, and good geometric uniformity. They can be made into multi-layer composite tubes with polygonal structures, and are widely used in triple-cladding Active Optical Fibers (AOF) and related Passive Optical Fibers (POF). Design fluorine doped quartz tubes with matching 2.5mm and 3.5mm core diameters for YDF 34/460/530 active doped optical fibers.

Fluorine-doped Tubes which used for Triple-cladding Active Optical Fibers (AOF) preforms can be customized.

Features

  • High fluorine doping concentration

  • Precise geometric control

  • Good temperature resistance

Applications

  • Triple-Cladding Fiber

Technical Specifications

Part Number

SFL-FJT17.8/54.5/1000

FDJT16/39.6/500

Typical NA

0.22

0.22

Outer Diameter(mm)

54.5±1.0

39.6±1.0

Inside Diameter(mm)

17.8±1.0

16.0±1.0

Edge Margin(mm)

47.8±0.5

34.4±0.5

Length(mm)

1000±50

500±50

Octagon Tube   Material

Fluorine Doped   Quartz

Fluorine Doped   Quartz

Core Diameter(mm)

3.5

2.5

Note:Fluorine-doped tube NA0.12 and NA0.15 can be customized.

2. Fluorine-doped Preform

The Fluorine-doped Preform is a refractive index stepped multi-mode preform made of high purity quartz as the core rod and using the Plasma Outside Deposition (POD) process under atmospheric pressure. We can adjust the shape of core and cladding to customer requirements.

Features

  • High fluorine doped cladding

  • Waveguide can be designed

  • Customizable NA and CCDR

Applications

  • Astronomical Observation

  • Laser Transmission

  • Laser Medical

  • Specialty Optical Fiber Bundle

  • IR Spectroscopy Applications

  • Nuclear Power Radiation

Technical Specifications

Part Number

SFL-8249

SFL-8239

SFL-8251

Wavelength (nm)

700~2200

700~2200

700~2200

OH Content (ppm)

<1.0

<1.0

<1.0

Refractive Index Profile

Stepped

Stepped

Stepped

Inner Cladding CCDR

1.1±0.015

1.19±0.015

1.15±0.015

NA

0.22±0.02

0.22±0.02

0.22±0.02

Outer Diameter (mm)

49.5±0.5

44.0±0.5

42.5±0.5

Length (mm)

500~1000

500~1000

500~1000

Preform Non-circularity (%)

≤2.0

≤2.0

≤2.0

Core Layer Material

Pure Silica Quartz

Cladding Material

Fluorine Doped Quartz

Note: NA0.12 and NA0.14 can be customized. CCDR can be customized. Preform which OD is within 80mm can be customized. 

3. UV Fluorine-doped Preform

The UV Fluorine-doped Preform is a refractive index stepped multi-mode preform made of high OH purity quartz as the core rod and using the Plasma Outside Deposition (POD) process under atmospheric pressure. We can adjust the shape of core and cladding to customer requirements.

Features

  • High fluorine doped cladding

  • Waveguide can be designed

  • Customizable NA and CCDR

Applications

  • Astronomical Observation

  • Laser Transmission

  • Laser Medical

  • Specialty Optical Fiber Bundle

  • Nuclear Power Radiation

  • UV and Visible Spectroscopy Applications

Technical Specifications

Part Number

SFL-8247

SFL-8238

SFL-8260

Wavelength (nm)

200~700

200~700

200~700

OH Content (ppm)

800~1000

800~1000

800~1000

Refractive Index Profile

Stepped

Stepped

Stepped

CCDR

1.1±0.015

1.19±0.015

2.5±0.015

NA

0.22±0.02

0.22±0.02

0.22±0.02

Outer Diameter (mm)

49.5±0.5

38.0±1.0

50.0±0.5

Length (mm)

500~1000

500~1000

500~1000

Preform   Non-circularity (%)

≤2.0

≤2.0

≤2.0

Core Layer Material

High OH Pure Silicon Quartz

Inner Cladding Material

Fluorine Doped Quartz

Note:NA0.12 and NA0.14 can be customized. CCDR can be customized. Preform which OD is within 80mm can be customized

4. W-Type Fluorine-doped Preform

The W-Type Fluorine-doped Preform is a refractive index stepped multi-mode preform made of high purity quartz as the core rod and using the Plasma Outside Deposition (POD) process under atmospheric pressure. We can adjust the shape of core and cladding to customer requirements.

Features

  • High fluorine doped cladding

  • Waveguide can be designed

  • Customizable NA and CCDR

Applications

  • Astronomical Observation

  • Laser Transmission

  • Laser Medical

  • Specialty Optical Fiber Bundle

  • IR Spectroscopy Applications

  • Nuclear Power Radiation 

Technical Specifications

Part Number

SFL-8248

SFL-8242

SFL-8244

SFL-8250

Wavelength (nm)

700~2200

700~2200

700~2200

700~2200

OH Content (ppm)

<1.0

<1.0

<1.0

<1.0

Refractive Index Profile

Stepped

Inner Cladding CCDR

1.1±0.015

1.13±0.015

1.2±0.015

1.4±0.015

Outer Cladding CCDR

1.8±0.015

2.4±0.015

3.6±0.015

7.2±0.015

NA

0.22±0.02

0.22±0.02

0.22±0.02

0.22±0.02

Outer Diameter (mm)

49.5±0.5

42.0±0.5

44.5±0.5

50.0±1.0

Length (mm)

500~1000

500~1000

500~1000

500~1000

Preform Non-circularity (%)

≤2.0

≤2.0

≤2.0

≤2.0

Core Layer Material

Pure Silica Quartz

Inner Cladding Material

Fluorine Doped Quartz

Outer Cladding Material

Pure Silica Quartz

Note:NA0.12 and NA0.14 can be customized. CCDR can be customized. Preform which OD is within 80mm can be customized.

5. Germanium Fluorine Co-doped Preform

Germanium fluorine co-doped preforms use the germanium doped quartz as the core rod, fluorine doped quartz as the cladding. Mainly used for producing passive waveguide single-mode optical fiber which is applied in industrial laser fields such as communication, industry, and medical treatment.

Features

  • Low NA single mode output

  • Low splice loss

  • High reliability of light matching

Applications

  • Continuous/Pulsed Laser

  • Communication Industry

  • Pigtail Output

  • Fiber Combiner

  • Fiber Grating

Technical Specifications:

Part Number

SFL2118

SFL 2114

SFL 2117

SFL 2123

SFL 2119

SFL 2124

SFL 2112

SFL 2111


Refractive Index Profile

Stepped

Cladding CCDR

11.8±1.0

17.03±0.5

6.5±0.5

12.35±1.0

19.75±1.0

9.88±0.5

9.88±0.5

9.88±0.5


NA

0.08±0.01

0.070±0.005

0.08±0.01

0.065±0.005

0.065±0.005

0.065±0.005

0.085±0.005

0.11±0.01


Outer Diameter (mm)

Customizable

Length (mm)

500~1000

Preform Non-circularity(%)

≤2.0

Core Material

Germanium Doped Quartz

Cladding Material

Fluorine Doped Quartz


Part Number

SFL 2120

SFL 2113

SFL 2125

SFL 2116

SFL 2126

SFL 2121

SFL 2115

SFL 2122

Refractive Index Profile

Stepped

Cladding CCDR

15.80±1.0

8.10±0.2

13.17±0.5

7.06±0.2

11.29±0.5

11.29±0.5

4.94±0.25

7.90±0.25

NA

0.065±0.005

0.065±0.005

0.075±0.005

0.11±0.01

0.075±0.005

0.11±0.005

0.11±0.01

0.11±0.01

Outer Diameter (mm)

Customizable

Length (mm)

500~1000

Preform Non-circularity (%)

≤2.0

Core Material

Germanium Doped Quartz

Cladding Material

Fluorine Doped Quartz

Note: Product size and waveguide structure can be customized according to customer requirements.

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