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Single Mode Fiber

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Single Mode Fiber




  • Operating Wavelengths from 320 nm to 2.1 µm
  • Shipped from Stock with No Minimum Order
  • Patch Cables Available for All Fibers
  • Ø80 µm or Ø125 µm Cladding Available

Single Mode Fiber: 320 to 430 nm

Features

  • Single Mode Transmission from 320 to 430 nm
  • Dual Acrylate Coating
  • Shipped from Stock
  • No Minimum Purchase Required

Thorlabs' SM300 fiber consists of an undoped, pure silica core surrounded by a depressed, fluorine-doped cladding. Since these fibers do not contain germania (GeO2), which causes electronic defects and color centers associated with the Ge-O bond, the primary cause of photodarkening is greatly reduced. As a result, power handling in the blue region is increased from several milliwats to several watts. The transmission-limiting effects caused by other nonlinearities (e.g., stimulated scattering) or even thermal damage are also increased over those of a conventional silica fiber doped with germanium. In the UV region, the SM300 will still exhibit some photodarkening, but will have superior performance compared to conventional fibers.

 

Item #Operating WavelengthCut-Off WavelengthMode Field DiameteraAttenuation (Max)
SM300 320 - 430 nm 2.2 µm @ 350 nm 
Item #Short-Term Bend RadiusLong-Term Bend RadiusCladding DiameterCoating DiameterProof Test LevelNA
SM300 ≥10 mm ≥30 mm 125 ± 1 µm 233 - 257 µm 1% (100 kpsi) 0.12 - 0.14
  • MFD is a nominal, calculated value, estimated at the operating wavelength(s) using a typical value of NA & cutoff wavelength.

 

Single Mode Fiber: 400 to 680 nm

Features

  • SM Fiber at 400 nm to 680 nm
  • Shipped from Stock
  • Acrylate Jacket
  • No Minimum Purchase Required

 

Item #Operating WavelengthMode Field DiameterCladdingCoatingCutoff Wavelength
S405-XP 400 - 680 nm 3.6 ± 0.5 µm @ 405 nm
5.0 ± 0.5 µm @ 630 nm
125.0 ± 1.0 µm 245.0 ± 15.0 µm 380 ± 20 nm
SM400 405 - 532 nm 3.0 µm @ 480 nm 125 ± 1 µm 245 µm ± 5%  
SM450a 488 / 514 nm 3.3 µmb @ 488 nm
3.4 µmb @ 514 nm
125 ± 1 µm 245 ± 15 µm 400 ± 50 nm
460HP 450 - 600 nm 3.5 ± 0.5 µm @ 515 nm 125 ± 1.5 µm 245 ± 15 µm 430 ± 20 nm
Item #Short-Term Bend RadiusLong-Term Bend RadiusAttenuation (Max)NA
S405-XP ≥6 mm ≥13 mm ≤30.0 dB/km @ 630 nm
≤30.0 dB/km @ 488 nm
0.12
SM400 ≥10 mm ≥30 mm ≤50 dB/km @ 430 nm
≤30 dB/km @ 532 nm
0.12 - 0.14
SM450 ≥5 mm ≥25 mm c 0.10 - 0.14 
460HP ≥6 mm ≥13 mm 0.13
  • Operating wavelength is typically 200 nm above the cutoff wavelength.
  • MFD is a nominal, calculated value, estimated at the operating wavelength(s) using a typical value of NA & cutoff wavelength.
  • Stated attenuation is a worst-case value, quoted for the shortest design wavelength.

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