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MICRO-CONTROLE / Spectra-Physics
VALUMAX® Broadband Mirrors

VALUMAX® Broadband Mirrors

Product catalog summary

Overview: The document provides a comprehensive guide on VALUMAX® Broadband Mirrors, highlighting their cost-effectiveness, specifications, and ordering information. These mirrors are suitable for OEM applications and come with various broadband metallic and dielectric coatings.

Specifications: The mirrors are available in diameters of 12.7, 19.05, 25.4, and 50.8 mm, with Pyrex® substrates. Key specifications include diameter tolerance of +0/-0.13 mm, thickness tolerance of ±0.25 mm, and a clear aperture of at least 80% of the diameter. The mirrors are durable according to MIL-M-13508C standards, with specific cleaning recommendations using non-abrasive methods.

Damage Threshold: The document specifies different damage thresholds for various coatings, such as AL.2, AL.1, ER.1, ER.2, ER.4, BD.1, and BD.2, with varying power and energy levels for continuous wave (CW) and pulsed laser applications.

Coatings: The mirrors feature several coating types, including UV Enhanced Aluminum, Protected Aluminum, Enhanced Aluminum, Protected Silver, Protected Gold, and Broadband Dielectric coatings. Each coating has specific wavelength ranges, reflectivity percentages, and angles of incidence.

Ordering Information: To order, customers must append the coating code to the substrate number. For example, 10D520+ER.2 becomes 10D520ER.2.

Substrate Details: The document lists substrate numbers, dimensions, thickness, material, surface flatness, and surface quality for various mirror sizes.

Graphical Data: Reflectance graphs for different coatings are provided, illustrating typical performance across specified wavelength ranges.

Additional Information: The document references related products such as MFM Series Mirror Mounts and Performa™-i Series Optical Mounts, with availability details on the Newport website.

Catalog excerpts

520 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 VALUMAX® Broadband Mirrors By taking advantage of advanced polishing techniques and our high volume manufacturing, VALUMAX® mirrors are truly cost effective. Seven standard metallic and dielectric broadband coatings are available, covering the UV, visible, and IR. These mirrors are available in 12.7, 19.05, 25.4, and 50.8 mm (0.5, 0.75, 1.0, and 2.0 in.) diameters and square sizes using Pyrex® substrates. • Ideal for OEM applications • High quality, excellent value • Broadband metallic or dielectric coatings Specifications Diameter Tolerance +0/-0.13 mm Thickness Tolerance ±0.25 mm Clear Aperture central 80% of diameter Chamfers 12.7–25.4 0.25-0.76 mm face width x 45° ±15° 50.8 0.38-1.14 mm face width x 45° ±15° S2 Surface Ground Durability MIL-M-13508C, except ER.4 where hair-line scratches produced by test are acceptable Cleaning Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see page 622) Damage Threshold AL.2, 100 W/cm2 CW, 0.3 J/cm2 with 10 nsec pulses at 308 nm, typical AL.1 & ER.1, 100 W/cm2 CW, 0.3 J/cm2 with 10 nsec pulses at 532 nm, typical ER.2, 1000 W/cm2 CW, 1 J/cm2 with 10 nsec pulses at 1064 nm, typical ER.4, 200 W/cm2 CW, 1 J/cm2 with 10 nsec pulses at 1064 nm, typical BD.1, 500 W/cm2 CW, 1 J/cm2 with 10 nsec pulses within the wavelength range, typical BD.2, 1000 W/cm2 CW, 2 J/cm2 with 10 nsec pulses within the wavelength range, typical Ordering Information To order, append the coating code AL.2, AL.1, ER.1, ER.2, ER.4, BD.1, or BD.2 to the substrate number. For example, 10D520+ER.2 = 10D520ER.2 Coatings Coating Type Wavelength Range Reflectivity Angle of Incidence Coating Code Broadband Metallic UV Enhanced Aluminum 250–600 nm Ravg >90 % AL.2 Protected Aluminum 400–700 nm Ravg >88%, Rmin >83 % AL.1 Enhanced Aluminum 450–700 nm Ravg >93%, Rmin >90 % ER.1 Protected Silver 480–1100 nm 1.1–20 ìm Ravg >96%, Rmin >93% Ravg >98.5%, Rmin >97 % ER.2 Protected Gold 650–1700 nm 1.7–20 ìm Ravg >96%, Rmin >92% Ravg >98%, Rmin >96 % ER.4 Broadband Dielectric Visible 488–694 nm Rs, Rp >99 % 0–45° BD.1 Near Infrared 700–950 nm 632.8 nm Rs >99%, Rp >98% Ravg >80 % 0–45° 0–45° BD.2

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