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Micro Prism
 
Shanghai Optics provides two types of micro prisms: Penta Prism and Right Angle Prism. These two prisms are widely used in fiber optical communication applications, specifically in the heart of optical switches. Examples of these applications include Circulator, Interleaver, and MEMS.
 
Micro Penta Prism
   
General Specifications
Material: BK7 Grade A optical glass
90 degree Deviation Tolerance:

Standard series: <30 arc seconds

Precision series: <10 arc seconds 
Flatness:

Standard series: l/2 at 632.8 nm

Precision series: l/4 at 632.8 nm
Reflectivity: R > 95% per face from @1550 nm
Surface Quality: 40-20 scratch and dig
Working Wavelength: 1310, 1550, 1590 nm
 
Micro Right-Angle Prisms  
micro prism
 

General Specifications

Dimension Tolerance: +0.0, -0.2 mm

Clear Aperture: >80%

Flatness: l/2 @632.8 nm

Surface Quality: 60-40 scratch and dig

Reflectivity: R>95% per face @ center wavelength

Working Wavelength: 1310, 1550, 1590 mm

Bevel: 0.2 mm to 0.5 mm