Plano Convex Spherical Mirror Blanks  (PCXM)

  • Convex BK7 mirror blanks. Apply any reflecting coating (metallic or dielectric)
  • Focal length designed at 633nm
  • Center Thickness = 6.35mm +/-0.25mm

These plano-convex BK7 mirror blanks are polished to λ/ 10 surface accuracy with a laser grade finish on both sides. Select a coating appropriate to your application or contact us with your special coating requirements.
 

Material: BK7 grade A
Surface Flatness: < λ / 10 @ 633 nm
Surface Quality: <10/5 (both sides)
Centration Error: < 3 arc min
FL (@633nm)  Tolerance: < ± 0.5%
Diameter Tolerance: < + 0.00 / - 0.20 mm
Thickness Tolerance: < ± 0.25 mm
Clear Aperture: >85% of diameter

 

 FL to ROC Conversion Table:

 FL @ 633nm (mm)

 Radius of Curvature (mm)
25 12.9
30 15.5
38 19.6
50 25.8
75 38.6
100 51.5
150 77.3
200 103.0
250 128.8
300 154.5
400 206.0
500 257.6
750 386.3
1000 515.1

 

To create a Lambda part number use the following :
 

 Product Type: 
 Diameter: 
 Material: 
 Focal Length:  mm @ 633nm
 Part Description: 
 Price:  US Dollars

If you have any questions, please contact the Lambda Sales Team.