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Single-Mode Fiber Couplers

Single-Mode Fiber Couplers
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Phone: 1-800-222-6440 • Fax: 1-949-253-1680 946 M a n u a l P o s i t i o n i n g MANUAL FIBER ALIGNMENT MANUAL ACTUATORS MANUAL ROTATION MANUAL LINEAR STAGES AND TILT STAGES F-915 F-916 F-91-C1 Chucks and objectives not included. Order separately for your specific application. • Single-mode coupling approaching theoretical maximum • Easy to use • Sub-micron resolution • Versions for bare, connectorized, or polarizationpreserving fibers Efficient single-mode coupling of a laser beam into an optical fiber is simple with Newport’s Single-Mode Fiber Couplers. They provide the sub-micron positioning resolution necessary for high single-mode coupling efficiency. Model F-915 offers the basic capability to couple laser light to bare single-mode fibers, Model F-916 adds a rotatable chuck for orienting polarization-preserving fibers, and Model F-91-C1accommodates connectorized fibers. Fine translation is obtained in these couplers, without changing the angular orientation of the focused beam on the fiber endface. Unlike conventional couplers, in which positioner runouts can exceed fiber misalignment tolerances, the fine-tuning tilt adjustments introduce only a second order translation of the beam. Sub-micron resolution, required to optimize coupling to single-mode fibers, is provided by the kinematic tilt stage that uses fine, 100-pitch adjustment screws to pivot the lens/fiber-holder assembly. Focus and coarse transverse adjustments, required to position the focused laser beam on the fiber endface, are provided by the three-axis positioner that holds the fiber chuck. An M-Series microscope objective is also required. The couplers’ optical axis height is fixed at a nominal 3 in. (75 mm), and they have a pattern of tapped and clearance holes in their base for convenient mounting on Newport tables and breadboards. Ordering Information Model Description F-915(1) For bare fibers F-916(1) For bare polarization-preserving fibers F-91-C1(2) For connectorized fibers(2) 1) An FPH Series bare fiber chuck must be ordered separately.see page 953 2) Microscope Objectives must be ordered separately. see page 492 Need help choosing the right objective? Please see page 409. U.S. Pat. No. 4,542,956 Models F-915, F-916, and F-91-C1 B A .31 (7.9) 1.16 (29.5) 2.15 (54.6) 3.98 (101.1) 1/4-20 THD M6 THD .31 (7.9) 1.50 (38.1) 4.00 (101.6) 4.54 (115.3) 3.00 (76.2) 1.00 (25.4) 1.98 (50.3) 1.00 (25.4) 3.66 (93) M6 THD 1/4-20 THD 1.15 (29.2) 1.99 (50.5) 2.15 (54.6) 1.50 (38.1) .50 1.00 (12.7) (25.4) CLR 8-32 (M4) 2.49 2X CLR SLOT (63.2) 1/4-20 (M6) Dimensions [in. (mm)] Model A B F-915 3.67 (93.2) 1.60 (40.6) F-916 4.17 (105.9) 1.60 (40.6) F-91-C1 3.43 (87.1) 1.23 (31.2) See our website CADfor CAD files Single-Mode Fiber Couplers

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Single-Mode Fiber Couplers 1Pages

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Single-Mode Fiber Couplers
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