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                | 
                     
                     
                      | Specifications |   
                      |  | Material: 
                        Crystal Quartz Rotation Accuracy: < 5 minutes
 Wavefront Distortion: <l/4 
                        @ 632.8 nm
 Wavelength Range: 350-1300 nm
 Parallelism: <10 arc seconds
 Surface Quality: 20-10 scratch and dig
 AR Coating: R<0.2% at central wavelength
 Rotation: counter-clockwise (left-handed,standard)
 Standard Wavelength: 532,1064 nm
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                | 
                     
                     
                      | Angle 
                          of rotation | 45¡ã | 90¡ã |   
                      |  
                          ¦µ (mm) | Part 
                          No. | Part 
                          No. |   
                      | 10.0 | PR0711 | PR0721 |   
                      | 12.7 | PR0712 | PR0722 |   
                      | 15.0 | PR0713 | PR0723 |   
                      | 20.0 | PR0714 | PR0724 |  |  |