Metallic Coated Optics


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Product Catalog 2017

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Right Angle Prism Mirror

Right Angle Prism Mirror
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Material BK7, UVFS
Dimensional tolerances +0/-0.2 mm
Clear aperture >80%
90˚ angle tolerance ±2 arcmin (precision type ±5 arcsec
is available)
Pyramidal tolerance ±1 arcmin (precision type ±30 arcsec is available)
is available)
Surface quality 40-20 S-D
Surface flatness <λ/4 @ 632.8 nm
Protective chamfers <0.25 mm x 45°
Laser damage threshold Protected Aluminum: >0.25 J/cm² for 10 ns pulses @1064 nm
Protected Silver: >1.8 J/cm² for 10 ns pulses @1064 nm
Protected Gold: >0.9 J/cm² for 10 ns pulses @1064 nm
Price list
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Attention! You can customise this product to your needs.
When precise and rigid mounting of bending mirror is needed, right angle prism mirrors provide more advantage than plate mirrors. Mirrors are designed to reflect light that is externally incident to hypotenuse of the prism. Prism angular tolerance of 90 deg angle is in range of several arc minutes (or arc seconds for precision type). Easy mounting does not required further alignment to bend a light at exact 90 deg angle, what makes the mirrors ideal for rigid optical systems. Four standard metallic coatings are provided. The most common is aluminum coating which features a fair reflection in UV, visible and mid - IR wavelength ranges. Other type of aluminum coating is labeled as “UV enhanced”, which means it is designed for UV applications. Protected silver coating is best suited for application in visible wavelength range, while protected gold is the most efficient coating over the entire IR range. However, for maximum reflectivity and highest LIDT, the best choice is dielectric coated mirrors. Altechna provides wide range of standard design dielectric coatings, but custom coatings are also available.
varna Protected gold provides excellent, broadband infrared high reflectance
varna Protected silver provides higher reflectance than aluminum throughout the visible and near IR
varna Protected aluminum is economical solution for VIS applications
varna UV enhanced aluminum provides good reflectance over a wide range and are mainly used in UV applications
varna Custom made prisms and dielectric HR coatings are available

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Dimensions, mm Material Coatings Delivery Product ID Price Action
12.7 x 12.7 x 12.7 UVFS UV enhanced Aluminum Ravg > 85 % @ 250 nm - 600 nm Request 1-PR-2-0127-[9AL1] Request REQ
25.4 x 25.4 x 25.4 UVFS UV enhanced Aluminum Ravg > 85 % @ 250 nm - 600 nm Request 1-PR-2-0254-[9AL1] Request REQ
12.7 x 12.7 x 12.7 BK7 Protected Aluminum Ravg > 85 % @ 400 nm - IR Request 1-PR-1-0127-[9AL0] Request REQ
25.4 x 25.4 x 25.4 BK7 Protected Aluminum Ravg > 85 % @ 400 nm - IR Request 1-PR-1-0254-[9AL0] Request REQ
12.7 x 12.7 x 12.7 BK7 Protected Silver Ravg > 96 % @ 550 nm - IR Request 1-PR-1-0127-[9AG0] Request REQ
25.4 x 25.4 x 25.4 BK7 Protected Silver Ravg > 96 % @ 550 nm - IR Request 1-PR-1-0254-[9AG0] Request REQ
12.7 x 12.7 x 12.7 BK7 Protected Gold Ravg > 98 % @ 750 nm - IR Request 1-PR-1-0127-[9AU0] Request REQ
25.4 x 25.4 x 25.4 BK7 Protected Gold Ravg > 98 % @ 750 nm - IR Request 1-PR-1-0254-[9AU0] Request REQ

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You can customise this product to your needs. If you do not find suitable specifications for your application please contact us for custom solution.

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