Multi-Branch Fiber Optic Bundles

Mutli-branch fiber bundles have one common end and evenly divide light output among two or three output ends. These broad transmittance range light guides can be used to make simple, inexpensive beam splitters or combiners.

Broad transmittance range over UV to NIR wavelengths
Bifurcated bundles available
High grade fused silica fiber bundle offered
Comb randomized for equal light output from each branch

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	Compare	Description	Compatibility	Drawings, CAD & Specs	Type	Core Diameter	Numerical Aperture	Transmittance Range	Fiber Length	Avail.	Price
		77533Fiber Optic Bundle, Bifurcated, Glass, 0.55 NA	UNIVERSAL		Bifurcated Fiber Bundle	4.5 mm (common), 3.2 mm (legs)	0.56	400 - 2000 nm	36 in.	4 Weeks	$500
		77565Fiber Optic Bundle, Bifurcated, High Grade Fused Silica, 0.22 NA	UNIVERSAL		Bifurcated Fiber Bundle	3.2 mm (common), 2.2 mm (legs)	0.22	260 - 2200 nm	36 in.	In Stock	$2,185

Features

Broad transmittance range over UV to NIR wavelengths

Fiber bundles with two different core materials are offered. A high grade fused silica core transmits nearly all of the radiation emitted from an arc lamp (particularly ozone free types), with transmittance beginning down at 260 nm and continuing to 2200 nm.

Comb randomized for equal light output from each branch

These multi-branch fiber bundles are comb randomized to produce evenly divided outputs. When light is uniformly focused onto the large unified input, each leg of a bifurcated bundle receives 43% of the total incident energy.

Accessories

Focusing Lens Assemblies

Description	Compatibility	Avail.	Price
77799Focusing Assembly, Fiber Bundle, Glass Aspheric, F/0.85, 4 mm Spot	UNIVERSAL	In Stock	$465
77776Focusing Assembly, Fiber Bundle, FS Aspheric, F/2.2, 800 µm Spot	UNIVERSAL	3 Weeks	$950
77800Focusing Assembly, Fiber Bundle, Plano Convex, F/2, 4 mm Spot	UNIVERSAL	Contact Us	$644

Fiber Bundle Mounts

Description	Compatibility	Avail.	Price
77802Fiber Bundle Holder, Circular Bundle to 1.5 Inch Male Flange, XYZ Adjust	UNIVERSAL	Contact Us	$355
77357Fiber Bundle Mount, Circular Bundle to 1.5 Inch Female Flange	UNIVERSAL	In Stock	$105
77817Fiber Bundle Mount, Circular Bundle to 1.5 Inch Male Flange	UNIVERSAL	In Stock	$145
77814Fiber Bundle Holder, 11 mm, Optical Post Mounted	UNIVERSAL	4 Weeks	$170

Ferrules and Ferrule Converters

Description	Compatibility	Avail.	Price
77641Fiber Bundle Ferrule, 11mm, 0.18 inch Inner Dia., 0.38 inch Length	UNIVERSAL	In Stock	$20
77663Fiber Bundle Ferrule, 11mm, 0.16 inch Inner Dia., 0.48 inch Length	UNIVERSAL	Contact Us	$25
77640Fiber Bundle Ferrule, 11mm, 0.16 inch Inner Dia., 0.38 inch Length	UNIVERSAL	5 Weeks	$25
77642Fiber Bundle Ferrule, 11mm, 0.18 inch Inner Dia., 0.48 inch Length	UNIVERSAL	In Stock	$30
77670Ferrule Converter, SMA Termination to 11mm Standard Ferrule	UNIVERSAL	In Stock	$55
77667Fiber Bundle Ferrule, 11mm, 0.31 inch Inner Dia., 0.48 inch Length	UNIVERSAL	In Stock	$35
77665Fiber Bundle Ferrule, 11mm, 0.20 inch Inner Dia., 0.38 inch Length	UNIVERSAL	In Stock	$30
77666Fiber Bundle Ferrule, 11mm, 0.25 inch Inner Dia., 0.48 inch Length	UNIVERSAL	In Stock	$60
77675Ferrule Converter, ST Termination to 11mm Standard Ferrule	UNIVERSAL	In Stock	$160