Specification:
Material | BK7 or Fused Silica |
Design Wavelength | 632.8 nm |
Design Index: | |
BK7 | n=1.5147±0.0005 |
Fused Silica | n=1.45702±0.00005 |
Surface Figure | x: λ/2; y: 2λ |
Diameter Tolerance | +0.00, -0.15 mm |
Thickness Tolerance | ±0.2 mm |
Paraxial Focal Length | ±2% |
Centration | <3 arc minutes |
Clear Aperture | >85% |
Surface Quality | 60-40 scratch and dig |
Protective Bevel | 0.25 mm x 45° |
BK7 Plano-Convex Cylindrical Lens Standard Products:
Part No. |
X×Y (mm) |
f (mm) |
R1 (mm) |
t c(mm) |
t e(mm) |
f b(mm) |
TXC101 |
10.0×10.0 |
12.7 |
6.54 |
4.3 |
2.0 |
9.8 |
TXC102 |
20.0×10.0 |
12.7 |
6.54 |
4.3 |
2.0 |
9.8 |
TXC103 |
10.0×10.0 |
20.0 |
10.29 |
3.3 |
2.0 |
17.8 |
TXC104 |
20.0×10.0 |
20.0 |
10.29 |
3.3 |
2.0 |
17.8 |
TXC105 |
10.0×10.0 |
25.0 |
12.87 |
3.0 |
2.0 |
23.0 |
TXC106 |
20.0×10.0 |
25.0 |
12.87 |
3.0 |
2.0 |
23.0 |
Note: Other size, material and coatings are available upon request.
BK7 Plano-Concave Cylindrical Lens Standard Products:
Part No. |
X×Y (mm) |
f (mm) |
R1 (mm) |
t c(mm) |
t e(mm) |
f b(mm) |
TEC201 |
10.0×10.0 |
-12.7 |
6.54 |
4.3 |
2.0 |
-14 |
TEC202 |
20.0×10.0 |
-12.7 |
6.54 |
4.3 |
2.0 |
-14 |
TEC203 |
10.0×10.0 |
-25.0 |
12.87 |
3.0 |
2.0 |
-26.3 |
TEC204 |
20.0×10.0 |
-25.0 |
12.87 |
3.0 |
2.0 |
-26.3 |
Note: Other size, material and coatings are available upon request.