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        角椎
        
     
         
        
     
        
	
      
        It has three mutually perpendicular surfaces and a hypotenuse face. Light entering through the hypotenuse is reflected by each of the three surfaces in turn and will emerge through the hypotenuse face parallel to the entering beam regardless of the orientation the incident beam. For its special performance, it is often used to the distance measurement, optical signal process and laser interferometer.


        Specification for standard Corner Cube Retroreflector:
        Material: BK7 Grade A optical glass
        Dimension Tolerance:+0,-0.2mm
        Flatness: λ/4 @ 632.8 nm
        Surface Quality: 60- 40 scratch and dig
        Clear Aperture: >80%
        Bevel: 0.2 mm to 0.5 mm x 45o
        Deviation: 180o ±3 arc sec
        Flatness:λ/4 @632.8 nm on big surface
                         λ/10 @632.8 nm on other surface
        Wavefront Distortion:λ/2 @632.8 

        Part No.
        ? (mm)
        h (mm)
        CCR0101
        15.0
        11.3
        CCR0201
        25.4
        19.0
        CCR0301
        38.0
        28.5
         
        


    
    
    
    


        
    
        
    
    
        
     
        
      
         
        
      
      
         Note: Other sizes,material and coatings are available upon request. 

        

     
        
     
        
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