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0.48 NA Step-Index Multimode Fibers 


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0.48 NA Step-Index Multimode Fibers 

Custom Fiber Patch Cables  Optical Fiber Manufacturing

Features

  • Broad UV/VIS/NIR Spectral Range:
    • 300 to 1200 nm (High OH)
    • 400 to 2200 nm (Low OH)
  • Reduced Static Fatigue, Lower Microbend Losses
  • Biocompatible Materials, Radiation Resistance
  • Sterilizable by ETO and Other Methods

Our 0.48 NA polymer-clad fibers offer high numerical apertures to suit a broad range of applications, from remote illumination to photodynamic therapy. The fiber is encased in a Tefzel buffer that has an operating temperature range of -40 to 150 °C.

The cladding material utilized to achieve the large NA of these fibers is a softer polymer than normally found in polymer clad step-index multimode fibers. Consequently, the cladding material has a higher probability of being removed from the fiber when the buffer is being stripped for normal connectorization. The difference between the indices of refraction of the core and the cladding determine the NA. Thus, without the cladding, the performance of this fiber is greatly diminished. To combat this problem, Thorlabs terminates to the buffer instead of terminating to the cladding. That is, the connector is epoxied directly onto the fiber buffer, thereby eliminating the need to strip the buffer, and the cladding, off of the fiber. The image in the upper right corner shows this difference.

Thorlabs offers the SMA-connectorized version of select 0.48 NA multimode fibers as stocked items and can produce custom SMA versions of any of the fibers below with a fast turnaround. Please see the Custom Cables tab above for details. If your application requires another connector type, we suggest you try our 0.39 NA Multimode Patch Cords or Fiber. We have compared the performance of an ideal 0.48 NA fiber with a 0.39 NA fiber using an LED light source and have determined that there is no significant difference in the performance. If you would still prefer the 0.48 NA fiber, Thorlabs also offers an FC/PC-to-SMA Mating Sleeve that can be used to convert an SMA connector to an FC/PC connector. Pleae contact Technical Support if you need a different connector and these options do not meet your needs.


Alternate Numerical Aperture
Step-Index Fibers
0.1 NA High-Power,
Small-Core Fibers
0.22 NA High- and
Low-OH Fibers
0.39 NA High-
and Low-OH Fibers
0.48 NA High- and
Low-OH Fibers
FiberOH ContentCore
Diameter
Hard Cladding
Diameter
Buffer
Diameter
Bend Radius
(Momentary/Long Term)*
BFL48-400Low OH400 μm ± 2%430 μm ± 2%730 μm ± 2%21.5 mm / 64.5 mm
BFH48-400High OH
BFL48-600Low OH600 μm ±2 %630 μm ± 2%1040 μm ± 2%31.5 mm / 94.5 mm
BFH48-600High OH
BFL48-1000Low OH1000 μm ± 2%1035 μm ± 2%1400 μm ± 5%51.8 mm / 155 mm
BFH48-1000High OH

* - 100/300 Times Cladding Radius

The table below details all of Thorlabs' multimode bare optical fiber offerings.

Index ProfileNAFiber TypeItem #Core SizeWavelength Range
Step Index0.1Double Clad, Enhanced Coating
View These Fibers
HPSC10Ø10 µm280 - 750 nm
HPSC25Ø25 µm
0.22Glass-Clad Slilca
Multimode Fiber
View These Fibers
FG050UGAØ50 µm250 - 1200 nm
(High OH)
FG105UCAØ105 µm
FG200UEAØ200 µm
FG050LGAØ50 µm400 - 2400 nm
(Low OH)
FG105LCAØ105 µm
FG200LEAØ200 µm
High Power Double TECS /
Silica Cladding
Multimode Fiber
View These Fibers
FG200UCCØ200 µm190 - 1200 nm
(High OH)
FG365UECØ365 µm
FG550UECØ550 µm
FG910UECØ910 µm
FG200LCCØ200 µm400 - 2200 nm
(Low OH)
FG365LECØ365 µm
FG550LECØ550 µm
FG910LECØ910 µm
Solarization-Resistant Multimode
Fiber for UV Use
View These Fibers
UM22-100Ø100 µm180 - 1150 nm
(High OH)
UM22-200Ø200 µm
UM22-300Ø300 µm
UM22-400Ø400 µm
UM22-600Ø600 µm
0.39High Power TECS Cladding
Multimode Fiber
View These Fibers
FT200UMTØ200 µm300 - 1100 nm
(High OH)
FT300UMTØ300 µm
FT400UMTØ400 µm
FT600UMTØ600 µm
FT800UMTØ800 µm
FT1000UMTØ1000 µm
FT1500UMTØ1500 µm
FT200EMTØ200 µm400 - 2200 nm
(Low OH)
FT300EMTØ400 µm
FT400EMTØ400 µm
FT600EMTØ600 µm
FT800EMTØ600 µm
FT1000EMTØ1000 µm
FT1500EMTØ1500 µm
0.48High NA Multimode Fiber
View These Fibers
BFH48-400Ø200 µm300 - 1200 nm
(High OH)
BFH48-600Ø400 µm
BFH48-1000Ø600 µm
BFL48-400Ø200 µm400 - 2200 nm
(Low OH)
BFL48-600Ø400 µm
BFL48-1000Ø600 µm
Graded Index0.20Graded-Index Fiber
for Low Bend Loss
View These Fibers
GIF50CØ50 µm750 - 1450 nm
0.275GIF625Ø62.5 µm800 - 1350 nm
0.19Plastic Graded-Index Fiber
for Low Bend Loss
and Easy Connectorizing
View These Fibers
GIPOF62Ø62.5 µm<60 dB/km Attenuation
at 850 nm
and 1300 nm
0.185GIPOF120Ø120 µm
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Posted Comments:
Poster: michail.lukaschek
Posted Date: 2013-07-03 17:44:43.447
Sehr geehrtre Damen und Herren, ist bei der Faser BFH48-600 kein, ein oder beide Enden mit SMA-Stecker konfektioniert? Ich bräuchte eine Ende mit SMA. Viele Grüße Michail Lukaschek
Poster: cdaly
Posted Date: 2013-07-03 13:20:00.0
Response from Chris at Thorlabs: Thank you for using our web feedback. No this fiber itself does not come with SMA connectors, though we do provide stock SMA version found here: http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=351. We can customize these as well. If you would like a custom please contact us at techsupport@thorlabs.com Or request a quote with the new fiber patch cable calculator located here: http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=2410
Click on any phrase below to search our site using our new Search Engine:
bfl48-600   fiber optic   high NA fiber   high NA MM fiber   high NA multimode fiber   high numerical aperture fiber   multimode fiber   optical fiber   polymer clad  
0.48 NA UV to Visible, High-OH Multimode Fibers
  • Broad UV / VIS Spectral Range: 300 to 1200 nm
  • Numerical Aperture: 0.48 ± 0.02
  • High OH

Our high OH, 0.48 NA, hard polymer-clad fibers offer high numerical apertures to suit a broad range of applications, from remote illumination to photodynamic therapy. This high-quality fiber offers easy termination and is a cost-effective alternative to silica/silica fiber.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
BFH48-400 Support Documentation
BFH48-400 Multimode Fiber, 0.48 NA, High OH, Ø400 µm Core
$3.80
Per Meter
Volume Pricing
Today
BFH48-600 Support Documentation
BFH48-600 Multimode Fiber, 0.48 NA, High OH, Ø600 µm Core
$8.30
Per Meter
Volume Pricing
Today
BFH48-1000 Support Documentation
BFH48-1000 Multimode Fiber, 0.48 NA, High OH, Ø1000 µm Core
$26.10
Per Meter
Volume Pricing
Today
0.48 NA Visible to IR, Low-OH Multimode Fibers
  • Broad VIS / IR Spectral Range: 400 to 2200 nm
  • Numerical Aperture: 0.48 ± 0.02
  • Low OH

Our low OH, 0.48 NA, hard polymer-clad fibers offer high numerical apertures to suit a broad range of applications, from remote illumination to photodynamic therapy. This high-quality fiber offers easy termination*and is a cost-effective alternative to silica/silica fiber.

Stock Patch Cables (0.48 NA, Low OH Multimode Fiber)
Fiber TypeConnectorAvailable LengthsItem #
BFL48-400 SMA 1 m or 2 m M40L0x
BFL48-600 SMA 1 m or 2 m M41L0x
 BFL48-1000 SMA 1 m or 2 m  M71L0x
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
BFL48-400 Support Documentation
BFL48-400 Multimode Fiber, 0.48 NA, Low OH, Ø400 µm Core
$5.60
Per Meter
Volume Pricing
Today
BFL48-600 Support Documentation
BFL48-600 Multimode Fiber, 0.48 NA, Low OH, Ø600 µm Core
$10.80
Per Meter
Volume Pricing
Today
BFL48-1000 Support Documentation
BFL48-1000 Multimode Fiber, 0.48 NA, Low OH, Ø1000 µm Core
$29.10
Per Meter
Volume Pricing
Today
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