Silica-Clad Large-Core Fiber

Silica-Clad Large-Core Fiber

The silica-clad large-core fiber uses a high-purity silica glass core and a fluorine-doped silica glass cladding structure. It features high coupling efficiency, low transmission loss, excellent long-term reliability, and strong high-power energy transmission capability. The product is available in multiple core diameter specifications, with a numerical aperture of 0.22±0.02, providing good optical performance, geometric precision, and mechanical stability to meet the application requirements of different optical systems. It is widely used in laser energy delivery, data communication, fiber sensing, optical equipment and connectors, medical equipment, and other fields, providing reliable solutions for efficient and stable optical signal and optical energy transmission.

Product features：High coupling efficiency；Excellent long-term reliability；Supports high-power energy transmission

Part Number：MP-SI105/125-22/250

Application area：Data communication, CATV, and LAN | Fiber sensing | Laser energy delivery | Optical equipment and connectors | Medical applications

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Main parameters
General Parameters
Optional Configurations
Downloads

Main parameters

Core parameters

Numerical aperture Cladding numerical aperture

0.22 ± 0.02 ≥0.46

Dimension Drawing

General Parameters

Product Specification (I)

Characteristic	Unit	MP-SI105/125-22/250	MP-SI200/220-22/320	MP-SI400/440-22/650	MP-SI1000/1050-22/1250
Core numerical aperture	/	0.22±0.02	0.22±0.02	0.22±0.02	0.22±0.02
Attenuation @850 nm	dB/km	≤8.0	≤8.0	≤15.0	/
Attenuation @915 nm	dB/km	≤8.0	≤8.0	≤15.0	/
Attenuation @1064 nm	dB/km	≤8.0	≤8.0	≤15.0	/
Core diameter	μm	105.0±2.0	200.0±4.0	400.0±8.0	1000.0±15.0
Cladding diameter	μm	125.0±1.0	220.0±3.0	440.0±8.0	1050.0±15.0
Coating diameter	μm	250.0±10.0	320.0±20.0	650.0±30.0	1250.0±30.0
Core-cladding concentricity	μm	≤1.0	≤2.0	≤3.0	≤5.0
Cladding non-circularity	%	≤1.0	≤1.0	≤1.0	≤1.0
Proof test strength	kpsi	100	100	100	75
Core material	/	Pure silica glass	Pure silica glass	Pure silica glass	Pure silica glass
Cladding material	/	Fluorine-doped silica glass	Fluorine-doped silica glass	Fluorine-doped silica glass	Fluorine-doped silica glass
Coating material	/	Acrylic resin	Acrylic resin	Acrylic resin	Acrylic resin

Product Specification (II)

Characteristic	Unit	MP-SI105/125-22/250-D	MP-SI135/155-22/320-D	MP-SI200/220-22/320-D	MP-SI220/242-22/400-D
Core numerical aperture	/	0.22±0.02	0.22±0.02	0.22±0.02	0.22±0.02
Cladding numerical aperture	/	≥0.46	≥0.46	≥0.46	≥0.46
Core loss @850 nm	dB/km	≤8.0	≤8.0	≤8.0	≤8.0
Core loss @915 nm	dB/km	≤8.0	≤8.0	≤8.0	≤8.0
Core loss @1064 nm	dB/km	≤8.0	≤8.0	≤8.0	≤8.0
Core diameter	μm	105.0±3.0	135.0±1.5	200.0±4.0	220.0±4.0
Glass cladding diameter	μm	125.0±1.0	155.0±1.5	220.0±3.0	242.0±3.0
Outer diameter	μm	250.0±10.0	320.0±20.0	320.0±20.0	400.0±20.0
Core-cladding concentricity	μm	≤1.0	≤1.0	≤2.0	≤2.0
Cladding non-circularity	%	≤1.0	≤1.0	≤1.0	≤1.0
Proof tension	kpsi	100	100	100	75
Core material	/	Pure silica glass	Pure silica glass	Pure silica glass	Pure silica glass
Cladding material	/	Fluorine-doped silica glass	Fluorine-doped silica glass	Fluorine-doped silica glass	Fluorine-doped silica glass
Coating material	/	Acrylic resin	Acrylic resin	Acrylic resin	Acrylic resin

Product Specification (III)

Characteristic	Unit	MP-SI400/440-22/650-D	MP-SI500/550-22/700-D	MP-SI600/660-22/800-D	MP-SI1000/1050-22/1250
Core numerical aperture	/	0.22±0.02	0.22±0.02	0.22±0.02	0.22±0.02
Cladding numerical aperture	/	≥0.46	≥0.46	≥0.46	≥0.46
Core loss @850 nm	dB/km	≤15.0	≤15.0	≤15.0	/
Core loss @915 nm	dB/km	≤15.0	≤15.0	≤15.0	/
Core loss @1064 nm	dB/km	≤15.0	≤15.0	≤15.0	/
Core diameter	μm	400.0±5.0	500.0±5.0	600.0±6.0	1000.0±15.0
Glass cladding diameter	μm	440.0±4.0	550.0±5.0	660.0±6.0	1050.0±15.0
Outer diameter	μm	650.0±30.0	700.0±30.0	800.0±30.0	1250.0±30.0
Core-cladding concentricity	μm	≤3.0	≤3.0	≤3.0	≤3.0
Cladding non-circularity	%	≤1.0	≤1.0	≤1.0	≤1.0
Proof tension	kpsi	100	100	75	75
Core material	/	Pure silica glass	Pure silica glass	Pure silica glass	Pure silica glass
Cladding material	/	Fluorine-doped silica glass	Fluorine-doped silica glass	Fluorine-doped silica glass	Fluorine-doped silica glass
Coating material	/	Acrylic resin	Acrylic resin	Acrylic resin	Acrylic resin

Product Specification (IV)

Characteristic	Unit	MP-SI400/440-22/580-D	MP-SI600/660-22/740-D
Core numerical aperture	/	0.22±0.02	0.22±0.02
Cladding numerical aperture	/	0.37±0.02	0.37±0.02
Core loss @1095 nm	dB/km	≤15.0	≤15.0
Core diameter	μm	400.0±8.0	600.0±8.0
Glass cladding diameter	μm	440.0±8.0	660.0±8.0
Outer diameter	μm	580.0±30.0	720.0±30.0
Tight buffer diameter	μm	900.0±100.0	1300.0±100.0
Core-cladding concentricity	μm	≤3.0	≤3.0
Cladding non-circularity	%	≤2.0	≤2.0
Proof tension	kpsi	100	75
Long-term bend radius	mm	≥80	≥100
Short-term bend radius	mm	≥23	≥34
Core material	/	Pure silica glass	Pure silica glass
Cladding material	/	Fluorine-doped silica glass	Fluorine-doped silica glass
Coating material	/	Acrylic resin	Acrylic resin
Tight buffer material	/	Pebax 6333 or ETFE	Pebax 6333 or ETFE

Optional Configurations

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Product title: Silica-Clad Large-Core Fiber

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