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Ultrafast Laser Chirped Mirrors
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Catalog excerpts

Ultrafast Laser Chirped Mirrors - 1

614 O p t i c s Phone: 1-800-222-6440 • Fax: 1-949-253-1680 WINDOWS BEAMSPLITTERS OPTICAL FILTERS POLARIZATION OPTICS DIFFRACTION GRATINGS HIGH-ENERGY OPTICS ULTRAFAST LASER OPTICS ACCESSORIES When transmitting an ultrafast laser beam through a number of optical components, the pulse will spread and become chirped. The Ultrafast Chirped Mirrors are the solution to compensate for pulse broadening effects. These mirrors provide a negative group velocity dispersion to the incoming laser beam with every bounce off the surface. By setting up a two or three mirror configuration, the laser beam can bounce back and forth between the mirrors many times to compensate for pulse dispersion effects. Specifications Material Fused Silica Surface Flatness S1 ë/4 at 632.8 nm over the clear aperture Clear Aperture central 78% of diameter Surface Quality 20-10 scratch-dig Diameter Tolerance +0/-0.13 mm Thickness Tolerance ±0.38 mm Wedge < 10 arc min Chamfers 0.25-0.76 mm face width x 45° ±15° Angle of Incidence 0° - 10° S1 Coating UF.40, Rs >99.8 %, 700–900 nm, Rp >99.8 %, 700–900 nm S2 Coating None Durability MIL-C-675C, moderate abrasion Cleaning Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see page 622) C 10 arc min Wedge S1 S2 ø B ø A Dimension (mm) Model øA øB C 10Q20UF.40 25.4 20.0 6.00 Ordering Information Model Diameter (mm) Thickness (mm) 10Q20UF.40 25.4 6.00 Ultrafast Laser Chirped Mirrors NEW

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Ultrafast Laser Chirped Mirrors - 2

O p t i c s 615 Email: sales@newport.com • Web: newport.com WINDOWS BEAMSPLITTERS OPTICAL FILTERS POLARIZATION OPTICS DIFFRACTION GRATINGS HIGH-ENERGY OPTICS ULTRAFAST LASER OPTICS ACCESSORIES Clear Quadrant Design Small ‘d’ – Small Ø Conventional Design Large ‘d’ – Large Ø d d GVD and the Cubic Term Group velocity dispersion (GVD) and the cubic term of the phase expansion are shown for reference. True mirror performance can be affected by manufacturing tolerances and repeatability. Newport minimizes these effects with the use of state-of-the-art thin film production equipment and computer...

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