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Rectangular to Circular Fiber Optic Bundles

Rectangular to Circular Fiber Optic Bundles
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Rectangular to Circular Fiber Optic Bundles - 1

256 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 L i g h t S o u r c e s TECHNICAL REFERENCE MONOCHROMATOR AND INCANDESCENT SOURCES ARC SOURCES DEUTERIUM SOURCES CALIBRATION SOURCES FIBER ILLUMINATORS PHOTOLITHOGRAPHY SOLAR SIMULATORS INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES Oriel Rectangular to Circular Fiber Optic Bundles Rectangular to Circular Fiber Bundle coupled to 77200 Oriel Monochromator These fiber bundles have one circular and one rectangular end. Use them to carry light from a light source to a monochromator or spectrograph, or from a monochromator to a detector or sample. The rectangular end is used to replace the instrument’s input slit. The circular end has an 11 mm Oriel ferrule. We offer two sizes of rectangle; we call them Small Slit and Large Slit. 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 Fig. 1 Transmittance of Rectangular to Circular Fiber Bundles. Small Slit Bundles • 100 ìm x 2.5 mm or 200 ìm by 6.0 mm slit size • Useful for spectrographs with multichannel detectors The circular end of these bundles is terminated with an SMA connector. The rectangular end is terminated with an 11 mm O.D. “quick connect” ferrule, which lets you snap the fiber into any Oriel Fiber Bundle Holder. Large Slit Bundles • 0.8 x 9.7 mm slit size • Useful for monochromators These fiber bundles are most often used with Oriel Monochromators. With standard circular-to-circular fiber optics, the vignetting losses at the slit are significant. These fibers minimize those losses. The circular end has a standard Oriel 11 mm ferrule; the rectangular end is a 0.75 x 0.25 inch (19 x 6.4 mm) connector. • Convert circular beams to rectangular, and vice versa • Improve light source-monochromator coupling efficiency • Transmit from 260 to 2200 nm QUICK CONNECT FIBER OUTPUT ST OR SMA TERMINATION 1.9 (50) 0.43 (11) A B SMALL SLIT BUNDLES LARGE SLIT BUNDLES 0.079 (2.0) 0.75 (19) 0.25 (6.4) 0.43 (11) 0.382 (9.7) 0.32 (0.8) 0.47 (11.8) 1.5 (38.1) 77539 B 0.75 (19) 0.25 (6.4) 0.43 (11) 0.13 (3.2) 0.382 (9.7) 0.32 (0.8) 0.47 (11.8) 77538 B 1.0 (25.4) Fig. 2 Dimensional diagram of Rectangular to Circular Fiber Bundles Ordering Information Fiber Material Circular End Termination Slit End Size W x H (A) Total Length Inch (m) (B) Numerical Aperture F/# Acceptance Cone, 2a (degrees) Model Small Slit Bundles H.G. Fused Silica SMA 100 ìm x 2.5 mm 39.4 (1) 0.22 2.3 25 77403 H.G. Fused Silica SMA 200 ìm x 6 mm 78.8 (2) 0.22 2.3 25 77532 Large Slit Bundles Glass Std. 11 mm ferrule 0.8 x 9.7 mm 36 (0.9) 0.56 0.9 68 77538 H.G. Fused Silica Std. 11 mm ferrule 0.8 x 9.7 mm 36 (0.9) 0.22 2.3 25 77539 See our website WEBfor more info

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