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Broadband Hollow Retroreflectors

Broadband Hollow Retroreflectors
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536 O p t i c s Phone: 1-800-222-6440 • Fax: 1-949-253-1680 TECHNICAL REFERENCE AND FUNDAMENTAL APPLICATIONS CYLINDRICAL AND SPHERICAL LENSES LENS SELECTION GUIDE SPECIALTY LENSES PRISMS MIRRORS OPTICAL SYSTEMS OPTICS SETS Broadband Hollow Retroreflectors Our broadband hollow retroreflectors are constructed of three front-surface flat mirrors assembled into a corner cube. Using a novel patented fabrication technique, parallelism up to 1 arc sec and wavefront distortion ë/3 is economically achieved. Coatings are available for UV, visible, and IR, with damage threshold typically 100 W/cm2 CW or 10 mJ/cm2 with 10 nsec pulses. Specifications Material Pyrex® Wavefront Distortion ë/3 at 632.8 nm over the full aperture Surface Quality 80-50 scratch-dig Durability MIL-C-675C, moderate abrasion • New Silver Coating • Parallelism to 1 arc sec • UV, visible, VIS-IR or IR coatings • Wavefront distortion ë/3 • Stress-free mounting for thermal stability • 25.4 and 63.5 mm aperture sizes Parallelism (arc sec) Coating Model Model Aperture 25.4 mm Aperture 63.5 mm 5 Ultraviolet UBBR1-5UV UBBR2.5-5UV 5 Visible UBBR1-5 UBBR2.5-5 5 Vis-Infared UBBR1-5S UBBR2.5-5S 5 Infrared UBBR1-5I UBBR2.5-5I 2 Ultraviolet UBBR1-2UV UBBR2.5-2UV 2 Visible UBBR1-2 UBBR2.5-2 2 Vis-Infared UBBR1-2S UBBR2.5-2S 2 Infrared UBBR1-2I UBBR2.5-2I 1 Ultraviolet UBBR1-1UV UBBR2.5-1UV 1 Visible UBBR1-1 UBBR2.5-1 1 Vis-Infared UBBR1-1S UBBR2.5-1S 1 Infrared UBBR1-1I UBBR2.5-1I Model UBBR1 ø 41.1 M6 THD 12.7 6.4 23.1 46.7 44.5 4 HOLES, ø 7.4 CLR, 50.6 PATTERN 1/4-20 THD 23.1 Model UBBR2.5 Post mounted retroreflector 79.5 7.9 41.4 M6 THD 1/4-20 THD 15.2 82.5 82.8 4 HOLES, 1/4-20 THD, ø 50.8 PATTERN 4 HOLES, M6 THD, ø 50.0 PATTERN 41.4 ø 4 SLOTS, 7.1 x 8.0, ø 100.8 PATTERN Coatings 1) The sum of reflectivities of all three surfaces. Ordering Information Coating Protection Wavelength Range Total Reflectivity (minimum)1 Ultraviolet UV Enhanced Aluminum 250–600 nm R >72 % 250-700 nm R >64 % Visible Protected Aluminum 400–650 nm R >73 % 400-750 nm R >64 % Vis-Infared Protected Silver 0.450–12 ìm R >86 % Infrared Protected Gold 0.650–12 ìm R >94 % NEW

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Broadband Hollow Retroreflectors 1Pages

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Broadband Hollow Retroreflectors
1Pages