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U S E R ' S G U I D E
Five-Axis Fiber Aligner
Model 9091 and Accessories
Includes Model 9131-FS-FC and Model 9131-FS-ST Fiber-Aligner Kits
U.S. Patents: #5,282,393 & #5,400,674
5215 Hellyer Ave. • San Jose, CA 95138-1001 • USA
phone: (408) 284–6808 • fax: (408) 284–4824
e-mail: contact@newfocus.com • www.newfocus.com
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Summary of Contents for New Focus 9091
- Page 1 U S E R ’ S G U I D E Five-Axis Fiber Aligner Model 9091 and Accessories Includes Model 9131-FS-FC and Model 9131-FS-ST Fiber-Aligner Kits U.S. Patents: #5,282,393 & #5,400,674 5215 Hellyer Ave. • San Jose, CA 95138-1001 • USA phone: (408) 284–6808 •...
- Page 2 Warranty New Focus, Inc. guarantees its products to be free of defects for one year from the date of shipment. This is in lieu of all other guarantees, expressed or implied, and does not cover incidental or consequential loss. Products described in this document may be covered by one or more of the following U.S.
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Page 3: Table Of Contents
Contents Introduction Overview ......5 Principles of Operation ....5 Accessories . - Page 4 4 • Contents NEW FOCUS, Inc.
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Page 5: Introduction
Introduction Overview The Model 9091 five-axis fiber-aligner system has the submicron resolution and stability required for align- ing single-mode optical fibers. The aligner has three axes of translation and two axes of rotation. Proper kinematic design, precision 80-pitch adjustment screws, and sapphire seats produce lifelong X and Y resolutions of 0.01 µm with minimal hysteresis. - Page 6 Z-axis screws. Pure Z-axis translation is achieved by adjusting the Z-knob, which rotates the two Z-screws equally. Figure 1: Front view of Coarse Y-screw Model 9091 Fine Y-screw Positioner, shown with optional Fine X-screw Optional Model 9123...
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Page 7: Accessories
Accessories Use the following accessories to attach fibers or objective lenses to the fiber aligner. Most of these accessories are shown either in Figure 1 on page 6 or Figure 4 on page 10. Model 9092 Coupler Body: Use the coupler body to hold optical elements, such as objective lenses and fibers, stationary. - Page 8 8 • Introduction NEW FOCUS, Inc.
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Page 9: Operation
Coupler-body screws 2. Mount the Aligner to the Table: For maximum rigidity, mount the fiber aligner on a New Focus pedestal riser. The fiber end is approximately 1" (25.4 mm) above the aligner base. Mounting holes are placed on two orthogonal sides of the aligner for either left- or right-handed mounting. -
Page 10: Alignment
1/8" (3-mm) Allen wrench. Coupler Translation (Positioning the Focus) 1. Screw the objective lens into the Model 9123 Objective Holder. For New Focus aspheric lenses, you can mount the lens Note: Note: into the coupler body using the Model 5709 RMS adapter 10 •... - Page 11 and the Model 9123 objective holder, or using the Model 5708 1" adapter. 2. Position the holder in the coupler body so that the objective-lens focus is in the fiber-tip plane. 3. Tighten the thumbscrew to lock the objective into place.
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Page 12: Specifications
3 mm X, Y Coarse Resolution/5º Turn 4.4 µm X, Y Fine Resolution/5º Turn 0.02 µm Z Resolution/5º Turn 4.4 µm θ , θ Range 5 degrees θ , θ Resolution/5º Turn 231 µrad 12 • Specifications NEW FOCUS, Inc. -
Page 13: Physical Characteristics
Physical Characteristics 3.40 (86.5) 2x C'BORE FOR #8 (M4) SHCS 1.25 (31.7) 1.00 (25.4) 0.22 (5.5) REAR VIEW 6x 4-40 (M2.5) 4x 8-32 (M4) THREAD THREAD 1.00 (50.0) 2x 2.00 (50.4) 0.50 (12.5) 0.25 (6.3) 2x 1.00 (25.4) 0.00 0.25 (6.3) FIBER CHUCK FRONT VIEW LOCK... -
Page 14: Customer Service
Customer Service Technical Support Information and advice about the operation of any New Focus product is available from our applications engineers. For quickest response, ask for “Technical Support” and know the model and serial numbers for your product. Hours: 8:00–5:00 PST, Monday through Friday (excluding holidays). -
Page 15: Appendix: Mode Matching
Appendix: Mode Matching Maximizing Coupling Efficiency To maximize the coupling efficiency into a single- mode optical fiber, the incident optical field distribution at the fiber face should match the mode profile of the optical fiber. This can, in general, be modeled as a Gaussian with a 1/e width of ω... - Page 16 Figure 7: ω ω A lens with focal length f focuses an incident optical beam of diameter D to a waist of diameter ω, as expressed by 4λf ω -------- - πD 16 • Appendix: Mode Matching NEW FOCUS, Inc.
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