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                Precision Optics

                Products

                Aspherical Lenses
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                Laser Line Dielectric Coatings
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                Broadband Dielectric Coatings
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                Broadband Metallic Coatings
                Metallic mirrors are excellent broadband reflectors. CASTECH offers four standard coatings , covering the UV, visible and IR. These mirrors are available in round sizes from dia.12.7-50.8mm with BK7 or BOROFLOAT .
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                Antireflective Coatings
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                Material
                CASTECH has strong capability in fabricating optical components with various optical material. The most important material properties to consider for an optical element are transmission versus wavelength, index of refraction, thermal characteristics, mechanical and chemical characteristics and cost.
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                Parallel Windows
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                Rectangular Windows
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                Square Windows
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