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Pure Silica Core SM Fiber

  • Excellent hydrogen resistance
  • Reduced radiation induced attenuation
  • Various NAs for bend insensitivity
  • Coatings for temperature use up to 150°C and 300°C
  • Carbon option for hermetic sealing
  • Hydrogen test data available

Typical Applications:

  • DTS/DAS/DSS
  • Sensing in radiation environments
  • Microscopy
  • Sensing using UV light
  • Coiled acoustic
  • Biomedical probes
  • Sensing in hydrogen environments

    Comparison
    SM300-SCSM400-SCSM1250SC(9/125)SM1500SC(7/80)SM1500SC(7/125)
    Operating Wavelength (nm)320-430405-5321260-16501520-16501520-1650
    Cut-Off Wavelength (nm)
    Dual Layer Acrylate≤310≤4001190-12901400-15001400-1500
    Polyimide (P)--1190-12901350-15201350-1520
    Numerical Aperture0.12-0.140.12-0.140.13-0.150.17-0.190.17-0.19
    Mode Field Diameter (μm)2.0-2.4 @350nm2.7-3.3 @480nm8.3-9.6 @1550nm6.7-7.6 @1550nm6.7-7.6 @1550nm
    Attenuation (dB/km)
    Dual Layer Acrylate≤100@350nm ≤30@430nm≤50@430nm ≤30@532nm≤0.6@1310nm ≤0.4@1550nm≤0.4 @1550nm≤0.7 @1550nm
    Carbon High Temperature (CHT)--≤0.6@1310nm ≤0.4@1550nm-≤0.7 @1550nm
    Carbon Polyimide (CP)--≤0.8@1310nm ≤0.8@1550nm-≤0.7 @1550nm
    Polyimide (P)--≤0.8@1310nm ≤0.8@1550nm≤0.75 @1550nm≤0.7 @1550nm
    Proof Test (%)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)
    Cladding Diameter (μm)125 ± 1125 ± 1125 ± 280 ± 1125 ± 2
    Core Cladding Concentricity (μm)≤0.75≤0.75≤0.75≤0.75≤0.75
    Coating Diameter (μm)
    Dual Layer Acrylate245 ± 7245 ± 7245 ± 7170 ± 5245 ± 7
    Carbon High Temperature--245 ± 15-245 ± 15
    Carbon Polyimide--155 ± 5-155 ± 5
    Polyimide--155 ± 5105 ± 5155 ± 5
    Coating TypeDual Layer AcrylateDual Layer AcrylateDual Layer Acrylate, CHT, CP, P*Dual Layer Acrylate, PDual Layer Acrylate, CHT, CP, P
    Operating Temperature (ºC)
    Dual Layer Acrylate-55 to +85-55 to +85-55 to +85-55 to +85-55 to +85
    Carbon High Temperature---55 to +150--55 to +150
    Carbon Polyimide---55 to +300--55 to +300
    Polyimide---55 to +300-55 to +300-55 to +300
    Product Variants Explained
    SM300-SC

    Pure silica core fiber for transmitting long UV (UV-A) wavelengths without photodarkening

    SM400-SC

    Non-photodarkening fiber for transmission of violet, blue and green wavelengths

    SM1250SC(10/125)

    Very low attenuation, pure silica core fiber for 1550nm transmission.

    SM1500SC(7/80)

    Pure silica core, bend insensitive fiber.

    SM1500SC(7/125)

    Pure silica core, bend insensitive fiber

    Operating Wavelength (nm) 1520 - 1650
    Cut-Off Wavelength (nm) Dual Layer Acrylate:
    1400 -1500
    Polyimide (P):
    1350 - 1520
    Numerical Aperture 0.17 - 0.19
    Mode Field Diameter (μm) 6.7 - 7.6 @1550nm
    Attenuation (dB/km) Dual Layer Acrylate:
    ≤0.4 @1550nm
    Carbon High Temperature: -
    Carbon Polyimide: -
    Polyimide (P):
    ≤0.75 @1550nm
    Proof Test (%) 1 or 2 (100 or 200 kpsi)
    Cladding Diameter (μm) 80 ± 1
    Core Cladding Concentricity (μm) ≤0.75
    Coating Diameter (μm) Dual Layer Acrylate:
    170 ± 5
    Carbon High Temperature: -
    Carbon Polyimide: -
    Polyimide (P):
    105 ± 5
    Coating Type Dual Layer Acrylate
    Polyimide (P)
    Operating Temperature (°C) Dual Layer Acrylate:
    -55 to +85
    Carbon High Temperature: -
    Carbon Polyimide: -
    Polyimide (P):
    -55 to +300
    Technical Bulletins