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Multi-Branch Fiber Optic Bundles

Multi-Branch Fiber Optic Bundles
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255 Email: sales@newport.com • Web: newport.com L i g h t S o u r c e s TECHNICAL REFERENCE CALIBRATION SOURCES DEUTERIUM SOURCES ARC SOURCES INCANDESCENT SOURCES MONOCHROMATOR AND FIBER ILLUMINATORS SOLAR SIMULATORS PHOTOLITHOGRAPHY INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES Oriel Multi-Branch Fiber Optic Bundles 77536 Trifurcated and 77533 Bifurcated Fiber Bundles These multi-branch fiber bundles have one common end and either two or three legs. They make inexpensive and simple beam splitters or combiners. All ends are terminated with standard Oriel 11 mm ferrules. TRANSMITTANCE (%) WAVELENGTH (nm) 1000 60 70 50 40 30 20 10 0 200 400 600 800 1200 1400 1600 1800 2000 HIGH GRADE FUSED SILICA GLASS High UV Transmittance These assemblies are made from high quality glass or high grade fused silica. The fused silica bundles transmit down to 260 nm. With prolonged UV exposure, the fibers solarize. We offer new solarization resistant single fibers for the deep UV (below 260 nm); see page 249. Our Fibers are Comb Randomized These fiber bundles are comb randomized to produce evenly divided outputs. When light is uniformly focused onto the common end, each leg of a bifurcated bundle receives 43% of the total incident energy. Each leg of a trifurcated bundle receives 27% of the total incident radiation (approximately 4% is reflected at the input and output and packing fraction is 0.9). Multi-Branch versus Multi-Track Don’t confuse these fibers with Multi-Track Fibers (see page 249), which are used for multiplexing several inputs into a spectrograph slit. The common end of a Multi-Track Fiber has an array of single fibers usually arranged in a slit-like configuration. Each fiber is a “leg” or track, off the common end. • Simplify beam splitting or combining • Allow the use of a single source for multi-sample illumination, economically • High UV transmittance down to 260 nm A B C E G F 0.43 (11) D 77533 BIFURCATED GLASS BUNDL E 77536 TRIFURCATED GLASS BUNDLE 77565 BIFURCATED H.G. FUSED SILICA BUNDL E 5.5 (140) G E F 0.43 (11) A B C 0.43 (11) A B C G D 5.5 (140) E F 0.43 (11) 0.43 (11) 0.43 (11) 5.5 (140) D Fig. 2 Dimensional diagram of Bifurcated and Trifurcated Fiber Bundles. Ordering Information Model Fiber Material Numerical Aperature Acceptance Cone, 2a (degrees) Common Bundle Diameter inch (mm) (A) Common End Tip Diameter inch (mm) (B) Common End Tip Length inch (mm) (C) Total Length Inch (mm) (D) Leg Bundle Diameter inch (mm) (E) Leg End Tip Diameter inch (mm) (F) Leg End Tip Length inch (mm) (G) 77533 Glass 0.56 68 4.5 6.4 0.50 (12.7) 36 (914) 3.2 4.75 12.7 77565 High Grade Fused Silica 0.22 25 3.2 4.7 0.50 (12.7) 36 (914) 2.2 4.75 12.7 77536 Glass 0.56 68 5.5 7.9 0.50 (12.7) 36 (914) 3.2 4.75 12.7 See our website WEBfor more info Fig. 1 Typical transmittance of multi-branch fiber bundles.

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Multi-Branch Fiber Optic Bundles 1Pages

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Multi-Branch Fiber Optic Bundles
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