More about this product
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Features:
 100% tested; each pieces is supplied with an interferogram
High-efficiency broadband coating averages 96% reflectivity.
Made from precision annealed Pyrex.
Larger flats are more difficult to produce to given flatness specification, so each of these mirrors is supplied with an interferometric test report. Sizes up to 3.10" are 0.1 p-v surface flatness or better, and larger sizes are 0.13 p-v minimum surface flatness. (Ratings are for 650 nm wavelength, and measured edge-to-edge.) Surface polish is rated at 40-20 scratch/dig. Made in the U.S.A.
Note: Smaller secondary mirror sizes are available as ULS Quartz secondary mirrors.
Size, weight, and coating specfications:
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Size
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Thickness
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Edge bevel (max)
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Coating
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Reflectivity @ 45° AOI
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Weight
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2.60"
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0.54"
(13.7 mm)
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0.030"
(0.8 mm)
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aluminum + IAD dielectric layers
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avg of 96% over visible spectrum
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158 g
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3.10"
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0.65"
(16.5 mm)
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265 g
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3.50"
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0.75"
(19.1 mm)
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400 g
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4.00"
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0.85"
(21.6 mm)
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470 g
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5.00"
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1.12"
(28.5 mm)
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avg of 96% over visible spectrum
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1185 g
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6.00"
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1.15"
(29.2 mm)
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1700 g
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Attention O.E.M.s
Large volume and custom sized flats available. Contact us for details on minimum quantities and pricing.
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