Right Angle Prism, 90 Degree Right Angle Prism, 180 Degree Prism, BK7 or UV Fused Silica Right Angle Prism

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Right Angle Prism

 

 

90° deflection

180° deflection

Right Angle Prism with 90 degree reflection

Right Angle Prism with 180 degree reflection

90° deflection occurs at the face.  
The hypotenuse image is erected and reversed.
180° deflection uses with hypotenuse as the entrance and exit face.  The main application is as a retro-reflector provided that the plane of incident beam includes the vertex.
 

Right-Angle prisms are commonly used to achieve a 90° or 180° light path bend.  Depending on prisms orientation, images will be inverted, but correct left-to-right.  If the prism is rotated 90°, images viewed through the prism will be erected, but reversed left-to-right.  This prism can also be used in combination for image/beam displacement applications.

Features:

  • Redirecting light and rotating images
  • Image rotation, inversion and reversion is a function of the prism
    orientation with respect to the incident light

Coating:

Anti reflection coated (AR coating) can be coated on all surfaces to reduce surface losses without affect affect total internal reflection or the acceptance angle.  

Material:

Conventional material used for fabricating Right Angle Prism is BK7 glass.  BK7 prisms are applicable in the visible and near IR applications.  For UV, infrared and thermal sensitive applications, Fused Silica Prism is recommended.  Red Optronics can fabricate Penta Prism with custom materials if required.

Specifications:
 
Material: BK7 glass or UV Fused Silica
Dimension Tolerance: +0.0, -0.2 mm
Clear Aperture:  >85%
Angle Tolerance:  see table
Flatness: l/2 @632.8 nm
Surface Quality: 60-40 scratch and dig
Bevel: 0.2 mm to 0.5 mm x 45°

Standard Product Information:


3 min. deviation

1 sec. deviation

30 sec. deviation

Size (mm)

Part No.

Part No.

Part No.

A=B=C=3.2

RAP101

RAP201

RAP301

A=B=C=5.0

RAP102

RAP202

RAP302

A=B=C=10.0

RAP103

RAP203

RAP303

A=B=C=12.7

RAP104

RAP204

RAP304

A=B=C=15.0
RAP105
RAP205
RAP305
A=B=C=20.0
RAP106
RAP206
RAP306
A=B=C=25.4
RAP107
RAP207
RAP307
A=B=C=30.0
RAP108
RAP208
RAP308
A=B=C=40.0
RAP109
RAP209
RAP309

Note: special size and coating are available upon request.

Red Optronics offers custom manufacturing of Right Angle Prisms at very competitive price.  Our monthly output is 10,000pcs. Please contact us and get a free quote.  For more information, please visit our website at: http://www.redoptronics.com

 

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