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ASI Anhydrous Silica SM Fibers

Product information "ASI Anhydrous Silica SM Fibers"

Single Mode; 633 to 680, 1310 nm; Mode Field Diameter 4.3, 9.0 µm; Cladding Diameter 125 µm; Coating Acrylate, Polyimide, Aluminium, Gold; Numerical Aperture 0.12

Fiberguide’s ASI series of silica core, silica clad, polymer or metal coated single mode fibers is used in data transmission applications as well as photonics applications where a single optical path, or mode, is desired.

The ASI fiber series is available with acrylate (-Y) coatings and also high performance Polyimide (-T), aluminium (-A), and gold (-G) coatings that allow these fibers to exceed the temperature performance levels of standard fibers.

Additionally, the ASI series fibers can be equipped on demand with Fiberguide’s patented RARe Motheye anti-reflective technology that enhances fiber transmission performance and significantly increases the damage threshold for your application over a large wavelength range.

Key Features:

  • Single Mode Fibers
  • Germanium Doped Fused Silica Core / Pure Fused Silica Cladding
  • Mode Field Diameter / Cladding Sizes: 4.3/125 µm, 9.0/125 µm
  • Wavelengths: 633 to 680 nm (4.3/125 µm), 1310 nm (9.0/125 µm)
  • Numerical Aperture (NA): 0.12
  • Coatings: Acrylate, Polyimide, Aluminium, Gold
  • Recommended Bend Radius: Short Term 100 x Clad Diameter, Long Term 200 x Clad Diameter
  • 100% Proof Test Using 4-Axis Bend Method


Applications: Data Communications; Laser Systems; Medical Applications; Oil & Gas Down-Hole Sensing; Photonic Devices; Optical Sensor Systems

Manufacturer "Molex (former Fiberguide Industries)"
Molex is a manufacturer of electronic components intended to offer interconnect solutions for aerospace, automotive, defense, HVAC, diagnostics, and data center industries. The company's electronic components include electronic, electrical, sensors, and fiber optic connectivity systems, electrical and fiber-optic interconnection products and systems, switches, cable assemblies, antennas, and integrated products. In 2020, Molex acquired Fiberguide Industries, Inc. a leading US provider of fiberoptic solutions to the OEM markets since 1977. The comprehensive product line is based on ISO 9000:2000 and includes standard and custom high optical transmission multimode, singlemode and graded-index optical fibers from UV to NIR, optical fiber assemblies and discrete components. Fiberguide´s products are used in applications such as medical, sensing, laser delivery systems and smoke and particle detection.
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AFS-G/SFS-G/AGI-G/ASI-G Gold Coated High Temperature Fibers
Gold Coated, Single Mode, Multi Mode; 190 to 2400 nm; Core Diameter 50 to 400 µm; Mode Field Diameter 4.3, 9.0 µm; Cladding Diameter 125 to 440 µm; Numerical Aperture 0.12 to 0.275Fiberguide’s AFS-G/SFS-G/AGI-G/ASI-G series of gold coated high temperature optical fibers is designed to achieve the widest temperature range (-269 to +700 °C) of any optical fiber on the market. This, combined with excellent corrosion resistance, and the fiber’s ability to be soldered or brazed, makes it the ideal fiber for many high temperature applications such as turbine flame monitoring, oil and gas down-hole sensing, and high vacuum or pressure applications. As an option, some types of gold coated high temperature fibers can be provided with a broad selection of shaped tips – standard configurations as well as custom designed shapes. Shaped tip fibers provide optimum control over beam delivery and/or increased efficiency of light collection. Some of the fibers can also be end capped to achieve higher coupled power into a fiber core by reducing the power density at the air / silica interface, commonly the point of laser damage. End cap diameters and lengths are offered for select numerical apertures and fiber cores size, but can be easily customized for a variety of fiber types and specialized applications. Additionally, all fiber types can be equipped on demand with Fiberguide’s patented RARe Motheye anti-reflective technology that enhances fiber transmission performance and significantly increases the damage threshold for your application over a large wavelength range.Key Features: Multi Mode (Step/Graded Index) or Single Mode Fibers Pure/Germanium Doped Fused Silica Core, Fluorine Doped/Pure Silica Cladding Coating: Gold Core / Cladding Sizes: 50/125 to 400/440 µm (MM) Mode Field Diameter / Cladding Sizes: 4.3/125, 9.0/125 µm (SM) Numerical Aperture (NA): 0.12 to 0.275 Recommended Bend Radius: Short Term 100 x Clad Diameter, Long Term 200 x Clad Diameter 100% Proof Test Using 4-Axis Bend Method Applications: Turbine Flame Monitoring; Oil and Gas Down-hole Sensing; High Vacuum Applications; High Pressure Applications
Product number: SW10689
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End Capped High Power Assemblies
Fiber Type Step Index MM, Other; Wavelength 190 to 2400 nm; Sheathing Stainless Steel Monocoil (Bare or PVC Coated); Termination High Power SMA, High Power FD-80Fiberguide’s end capped high power fiber optic assemblies allow the user to achieve higher coupled power into a fiber core by reducing the power density at the air/ silica interface, commonly the point of laser damage. End cap diameters and lengths are offered for select numerical apertures and fiber core sizes but can be easily customized for a variety of fiber types and specialized applications. End capped high power assemblies allow for much higher transmitted powers by reducing the power density to a level below the damage threshold. Their shaped endcap tips can be tailored to specific laser launch conditions and applications. Fiberguide’s proprietary laser polishing process minimizes surface imperfections and maximizes power handling. High Power SMA and D-80 compatible connector options offer superior thermal management while minimizing connector stress for NA conservation. With their epoxy-free cantilevered nose design (available in select versions), Fiberguide’s end capped high power assemblies allow thermal energy to safely dissipate and thus minimize laser and heat damage to surrounding materials Fiberguide offers end capped high power assemblies for a broad range of step index multi mode fibers, including AFS/AFM/AFH/SFS/SFM/SFH all silica optical fiber, AFSH/SFSH hard polymer coat fiber, APC/SPC polymer clad fiber, APCH/SPCH hard clad fiber, AFR/SFR Uniclad™ high power fiber or Solarguide™ solarization resistant fiber. For end capping other fiber types like AGI/ASI anhydrous graded index multi mode fiber or single mode fiber, please get in touch with AMS Technologies’ fiber optic team and discuss the requirements of your solution! For high temperature applications, some fiber types can be aluminium or gold coated on request. Additionally, all fiber types can be equipped on demand with Fiberguide’s patented RARe Motheye anti-reflective technology that enhances fiber transmission performance and significantly increases the damage threshold for your application over a large wavelength range. Key Features: Standard Fiber Type: Step Index Multimode, Other Fiber Types (SM, Graded Index, …) Available Upon Request Core Sizes: 50 to 400 μm Wavelengths: 190 to 1250 (High OH), 300 to 2400 nm (Low OH ) Standard Numerical Aperture: 0.20, 0.22 Connector Options: High Power SMA, High Power FD-80 Sheathing Options: Stainless Steel Monocoil (Bare or PVC Coated) Power Handling Capacity: Up to 3 kW Standard Temperature Range: -40 to +100 °C
Product number: SW10695
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