T-LB4913-AB - f = 125 mm, Ø1" UV Fused Silica Bi-Convex Lens, AR Coating: 400 - 1100 nm
T-LB4913-AB - f = 125 mm, Ø1" UV Fused Silica Bi-Convex Lens, AR Coating: 400 - 1100 nm
Features
- 5 Different Diameters Available: Ø5 mm, Ø6 mm, Ø1/2", Ø1", and Ø2"
- AR-Coating for the 400 - 1100 nm Range
- Fabricated from UV Grade Fused Silica
- Focal Lengths Available from 10.0 - 1003.5 mm
- Diameter 1"
- Focal Length 125.4 mm
- Diopter +8.0
- Radius of Curvature 114.5 mm
- Center Thickness 3.4 mm
- Edge Thickness 2.0 mm
- Back Focal Length 124.3 mm
- Reference Drawing
| AR Coating Range | 400 - 1100 nm | |
|
Reflectance Over Coating Range (AOI = 0°) |
Ravg <1.0% | |
| Diameters Available | Ø5 mm, Ø6 mm, Ø1/2", Ø1", or Ø2" | |
| Diameter Tolerance | +0.0 mm / -0.1 mm | |
| Thickness Tolerance | ±0.1 mm | |
| Clear Aperture | >90% of Diameter | |
| Design Wavelength | 587.6 nm | |
|
Index of Refraction (@ 588 nm) |
1.460 | |
| Surface Quality | 40-20 Scratch-Dig | |
|
Surface Flatness (Plano Side) |
λ/2 | |
|
Spherical Surface Power (Concave Side) |
3λ/2 | |
|
Surface Irregularity (Peak to Valley) |
λ/4 | |
| Centration | ≤3 arcmin | |
| Focal Length Tolerance | ±1% | |
|
Damage Threshold |
Pulse | 7.5 J/cm2 (532 nm, 10 ns, 10 Hz, Ø0.362 mm) 7.5 J/cm2 (1064 nm, 10 ns, 10 Hz, Ø0.445 mm) |