Optics
F-Theta Scan Lenses for Long-Wave Infrared
Speed up CO2 laser-based materials processing tasks with F-theta scan lenses that enable rapid processing over a large scan field.
These scan lenses deliver small focused spot sizes with minimum distortion over large fields-of-view, thus enabling high-speed operation in marking, engraving, welding, rapid prototyping, PCB via drilling, and converting applications.
F-Theta Scan Lens Features
- Internally grown and fabricated, low optical absorption ZnSe lenses
- High uniformity of lens point spread function over the design field of view
- Standard low-loss AR coatings for emission bands of CO2 isotopologue lasers from 9.2 to 10.6 μm
- Customized housing designs available on request to enhance integration into existing systems
- Designs featuring one to six optical elements
- Protection windows available with exceptionally hard, inert coatings
- Precision fabrication and assembly of opto-mechanical components
- For information on the tabulated designs’ galvo system compatibility or to request a custom optical / housing design, please use the Contact a Product Expert feature
| Part Number | Wavelength [μm] | Focal Length [mm] | Design Entrance Pupil Diameter [mm]* | Design Scan Field [mm]* | Working Distance [mm] | Max. Telecentric Angle [o] |
SL4-9.4-87.5-16x25-45-DW |
9.4 |
45 |
20 |
16 x 26 |
31 |
5.5 |
SL6-9.4-64-26-55-DW |
9.4 |
55 | 20 |
26 x 26 |
49 |
4.5 |
SL4-9.3-82-30x19-55-DW |
9.3 |
55 |
25 |
30 x 19 |
52 |
7 |
SL4-9.35-75-30-65-DW |
9.35 |
65 |
25 |
30 x 30 |
44 |
6.5 |
SL3-9.4-112-45-75 |
9.4 |
75 |
20 |
45x 45 |
87 |
5.5 |
TSL2-F100 |
9.4 or 10.2 or 10.6 |
100 |
20 |
50 x 50 |
125 | 4.5 |
SL2-10.2-102-60-100-DW |
10.2 |
100 |
20 |
60 x 60 |
102 |
4.7 |
SL3-9.6-120-70-115-DW |
9.6 |
115 |
20 |
70 x 70 |
142 |
4.4 |
SL3-9.4-124-72-120-CDW |
9.4 |
120 |
20 |
72 x 72 |
144 |
3.2 |
TSL2-F150 |
9.4 or 10.2 or 10.6 |
150 |
25 |
80 x 80 |
169 |
4.1 |
SL3-9.4-132-84-150-CDW |
9.4 |
150 |
25 |
84 x 84 |
171 |
4 |
SL3-9.4-170-100-195-DW |
9.4 |
195 |
20 |
100 x 100 |
210 |
2 |
*Actual Entrance Pupil Diameter and Actual Scan Field are inversely related parameters which can be different from the design values due to different galvo scanning mirror system geometries while still yielding good performance of the lens. Please contact a product expert for additional information
Related Products
Optical Manufacturing Capabilities
Learn about the vertically integrated capabilities for material growth, fabrication, coating, and assembly, and rigorous QA at Coherent. Discover how these ensure the performance and reliability of our optics and minimize supply chain risks and uncertainties.
