Plano Convex Lenses – UV Grade Fused Silica (PCX)
UV Fused Silica for 230-1600nm applications
- The focal length is designed at 250nm
- Focal Length: f = R/(n-1)
- n: refractive index
- R: radius curvature
Plano-convex lenses are useful for a wide range of applications. These lenses are manufactured from
Corning 7980 0F grade for 230nm to 1600nm applications. All lenses are uncoated but anti-reflection coatings are available. When used to focus a collimated beam, the light should be incident on the curved surface of the lens. These plano-convex lenses may be combined with other lenses to form complex imaging systems.
Material: |
UV Grade Fused Silica |
Surface Flatness: |
< λ / 10 @ 633 nm |
Surface Quality: |
<10/5 (both sides) |
Centration Error: |
< 3 arc min |
Focal Length Tolerance:
(@250nm) |
< ± 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 @ 250nm (mm) |
FL @ 532nm (mm) |
Radius of Curvature (mm) |
50 |
55.20 |
25.43 |
75 |
82.79 |
38.14 |
100 |
110.37 |
50.85 |
150 |
165.78 |
76.28 |
200 |
220.75 |
101.70 |
250 |
275.88 |
127.10 |
300 |
331.23 |
152.60 |
400 |
441.79 |
203.40 |
500 |
551.97 |
254.30 |
750 |
827.85 |
381.40 |
1000 |
1103.73 |
508.50 |
2000 |
2324.89 |
1017.10 |
3000 |
3395.24 |
1526.60 |
5000 |
5519.09 |
2542.70 |
Plano Convex Lenses – UV Grade Fused Silica (PCX)