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Penta Prisms
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  • Penta Prisms

  • CASTECH offers a wide range of prism types in a variety of designs, substrates, or coatings.
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Introduction:

CASTECH offers a wide range of prism types in a variety of designs, substrates, or coatings such as Penta Prisms, Right Angle Prisms, Dove Prisms, Roof Prisms, Porro Prisms, Retro-Reflectors, Anamorphic Prism Pairs, Pellin Broca Prisms, Equilateral Dispersive Prisms and so on. We employ different processing methods such as conventional polishing, continuous polishing, or ion beam figure(IBF) as well as top metrology equipment, tailored to deliver high precision optical prisms for the most demanding requirements in high power laser, scientific and industrial applications. 

Features:

  • Material from DUV to IR  
  • Custom dimensions and shapes  
  • A wide range of optical prism types  
  • Standard and custom coating options available  
  • High laser damage threshold

Specifications:

Material BK7
Dimension Tolerance ±0.1mm
Clear Aperture >central 85% of dimension
Angular Tolerance <3′
Surface Quality 40/20
Flatness

λ/10 @632.8nm

Chamfers

<0.3mm face width ×45°±15°

Coating

Reflecting surface aluminum coated 

with black paint overcoat;

Entrance and exit surfaces are uncoated.

 

 

Order Information:

 

RTP ---- 100 ----  100 ---- BK7 
     
Product Code   Size "A"=10mm   Size "B"=10mm   Material

 

Penta Prisms:

 

Part Number Size A(mm) Size B(mm)
RTP-070-070-BK7 7.0 7.0
RTP-100-100-BK7 10.0 10.0
RTP-127-127-BK7 12.7 12.7
RTP-150-150-BK7 15.0 15.0
RTP-200-200-BK7 20.0 20.0
RTP-254-254-BK7 25.4 25.4

 

Note:

     •   Coatings: Optional, please see page 2,3 and 8.

     •   Better angular precision  such as 1 min ,30sec ,15sec available upon request. 

     •   Other sizes and material are available upon request.

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