Item # Prefix	BF13LSMA	BF13HSMA	BF20LSMA	BF20HSMA
Aperture	Ø1.3 mm		Ø2.0 mm
Wavelength Range	400 - 2200 nm	190 - 1200 nm	400 - 2200 nm	190 - 1200 nm
NA*	0.22
# of Fibers	19		7
Fiber	FG200LCC	FG200UCC	FG550LEC	FG550UEC
Short-Term Bend Radius	6.5 cm		10 cm
Long-Term Bend Radius	13 cm		20 cm
Usuable Area	46%		83%
Length Tolerance	+10% / -0%
Maximum Temperature	140 °C

*Numerical Aperture value is based on bare fiber data.

Features

1 or 2 m Long Bundles of 7 or 19 Multimode Fibers
SMA 905 Connectors on Both Ends
High-OH and Low-OH Versions
No Broken Fibers
Custom Versions Available

Typical Applications

Spectroscopy
Fluorescence Microscopy Emission Collection
Particle Detection Scanning
Colorimetry
Illumination

Thorlabs’ line of high-quality fiber optical bundles consists of either 7 or 19 high-grade optical fibers in a round configuration combined in an SMA 905 connector. Versions are available with either low-OH or high-OH fibers. Fibers with Ø200 μm cores are used in the bundles of 19 fibers and feature a Ø1.3 mm bundle aperture. In contrast, fibers with Ø550 μm cores are used in the bundles of 7 fibers and feature a Ø2.0 mm bundle aperture. The Ø1.3 mm fiber bundle has a smaller bend radius than the Ø2.0 mm bundle. However, the Ø2.0 mm bundle has a larger diameter allowing more light to travel along it. These fiber bundles are primarily designed for coupling to light sources and therefore the fibers are not in the same orientation at each end, and each item may have some variation in the relative position of the fibers in the connector. For increased durability, these cables incorporate stainless steel protective tubing (FT05SS).

The OSL1-SMA Lamp Adapter allows our OSL1 High-Intensity Halogen Light Source to be coupled into our fiber bundles for microscopy and illumination applications.

Each patch cable includes two protective caps that shield the connector ends from dust and other hazards. Additional CAPN Fiber Caps for SMA-terminated ends are also sold separately.

Custom fiber bundles are available upon request. We can also make custom bifurcated fiber bundles, where one common connector is split into two or more connectors. Please contact Thorlabs' Tech Support at techsupport@thorlabs.com.

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The shaded region highlights the specified wavelength range for this fiber.

In-Stock Multimode Fiber Optic Patch Cable Selection
Step-Index									Graded Index
SMA	FC/PC	FC/PC to SMA	High-Power SMA	Solarization- Resistant, SMA	AR-Coated SMA	Bundles SMA	Optogenetics FC/PC	Optogenetics SMA	FC/PC

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Posted Comments:

Poster: tcohen

Posted Date: 2012-10-25 09:31:00.0

Response from Tim at Thorlabs to Baisheng: We can configure a custom bundle with no jacket for exposing the branched fibers. I will contact you to discuss the details of your custom.

Poster: a0021822

Posted Date: 2012-10-22 03:58:00.05

Hi! I would like to order fiber bundles for sensor application, but I want to expose all the branch fibers between two SMA connectors. I was wondering if it is possible to strip fiber coatings of the bundle in order to expose all branched fibers. Thanks. Regards, Baisheng

Poster: sharrell

Posted Date: 2012-09-06 09:36:00.0

Response from Sean at Thorlabs: Thank you for your feedback! We will endeavor to get a better photo of the fiber bundle end faces, however, there is some variation in the location of the fibers from bundle to bundle, and so your bundle may appear different than our photo. If you have a photo of your bundle, I would be interested in seeing it and will email you to continue the conversation. Also, our fiber bundles are primarily designed for coupling to light sources, and therefore there is no mapping of fiber from end-to-end. You can, however, map a bundle yourself by launching light into each fiber and noting which fiber lights up on the other end.

Poster: james.david.good

Posted Date: 2012-09-06 04:28:47.0

A better image of the layout of the BF13 would be nice, as the it cannot be clearly seen in the photo. I could send you one myself. The outer row is rotated relative to the inner. Also, it is possible to map the fibre and use it as a very low-resolution imaging bundle. I've done it!

Poster: jlow

Posted Date: 2012-07-31 19:44:00.0

A response from Jeremy at Thorlabs: Thank you very much for your feedback. I have forwarded your idea to our fiber group and we will look into the possibility of offering that as a standard product.

Poster:

Posted Date: 2012-07-29 12:06:43.0

Would be good to have splitting / combining fiber bundles, like: 10 fibers going to one connector, and other 10 going to another connector, or other combinations. For example, this offers a simple way to use a single detector / DAQ channel to probe two (or more) light channels, alternatively or together, as controlled elsewhere.

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Multimode Fiber Optic Bundle Cables: SMA to SMA

Features

Typical Applications