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Roof prism May 20, 2020

20 May 2020

PARAMETER:

The roof or Amici prism deviates or deflects the image through an angle of 90 degrees. It is a right-angle prism whose hypotenuse has been replaced by a 90-degree TIR roof. Glass that does not contribute to the clear aperture has been trimmed away to reduce size and weight.

Our Roof Prism is made from N-BK7, an RoHS compliant version of BK7, and can be used when a right angle deflection of an image or laser beam is required. In passing through the prism, the image is both deflected right-to-left and top-to-bottom. The hypotenuse of the prism utilizes total internal reflection (TIR) to reflect the image through the prism. Polarization states may become rotated during reflection.

Roof prism

General   spec. High precision spec.
Material Optical glass (H-K9L, BK7, or others),   Fused silica
Dimension 2mm~80mm
Dimension tolerance ±0.1mm ±0.02mm
90°Deviation   tolerance < 3arc sec.
Surface flatness @ 633nm λ/2 λ/4
Surface quality 60-40 20-10
Coating Upon the customer’s request

The roof or Amici prism deviates or deflects the image through an angle of 90 degrees. It is a right-angle prism whose hypotenuse has been replaced by a 90-degree TIR roof. Glass that does not contribute to the clear aperture has been trimmed away to reduce size and weight.

Roof prism

CONTACT DETAILS
ECOPTIK
No. 399 Bo Cai Road
High-Tech Development Area
Changchun
Jilin
130012
China
Tel: +86 431 8918 0668 - 801
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