Introducing the new StarFemto FX, Rofin paves the way for cold laser material processing in a fast growing field of applications. The new ultrashort-pulsed laser source completes Rofin’s femto to short-pulsed laser product line-up, now consisting of StarFemto FX, StarPico and PowerLine Pico. The lasers will be integrated into Rofin’s turnkey solutions, notably the modular processing system (MPS) and the fine-cutting workstation StarCut Tube.
The new StarFemto FX offers a stabilised pulsed energy of up to 200 microJoules (µJ), which results in a pulsed peak power of up to 660 megawatts (MW). Pulse repetition rate ranges from single pulses to 1 megahertz (MHz). With an adjustable pulse width between 300 femtoseconds (fs) and 10 picoseconds (ps), it covers the entire femto- and picosecond regime used for material processing. The laser source comes with a fundamental wavelength of 1030 nanometres (nm). First and second harmonic wavelengths of 515nm and 343nm are available as an option. Therefore, there is virtually no restriction on material choice.
With StarFemto FX, StarPico, PowerLine Pico and the X-Lase products, Rofin offers a complete product line-up of ultrashort-pulsed laser sources and turnkey solutions combined with a wealth of application experience, as well as worldwide after-sales support. With their precision and processing quality, ultrashort-pulsed lasers are suitable tools for applications in the electronics, semiconductor, micro technology and medical device manufacturing industries. All systems are designed for tough 24/7 industrial use.
The new air-cooled PowerLine Pico completes Rofin’s ultrashort pulsed laser line-up, which includes the StarFemto and StarPico. The PowerLine Pico laser is available in two configurations: as an all-purpose laser source and as a laser marking solution.
Comparison between conventional processing (left) and
Rofin PowerLine Pico processing (right)
With a pulse length of 800ps and maximum pulse energy of 40µJ, the PowerLine Pico is an efficient tool for marking, engraving and thin-film ablation and structuring. The high pulse frequency of 200 kilohertz (kHz) to 800kHz offers high throughput and allows for maximum pulse overlapping, for example, the structuring of thin films in solar cell manufacturing with more than a 95% pulse overlap at 1500 millimetres per second (mm/s).
The new laser source features a linear polarised and collimated output beam with 1064nm wavelength. In addition, Rofin offers the laser with second and third harmonic wavelength (532nm and 355nm).
Compared to nanosecond sources, the picosecond pulse length significantly reduces thermal damage in adjacent material. This results in better ablation quality, less surface roughness and enhanced precision of selective layer ablation. Furthermore, the shorter pulses help to reduce the thermal penetration depth of delicate ablation processes, such as marking silicon. The new laser source meets the requirements of various applications in wafer production, medical device manufacturing, micro material processing and more.
Thanks to its compact all-in-one design, the new PowerLine Pico integrates into customer-specific production environments. TCP/IP, USB and RS 422 interfaces facilitate setup and control. Up-to-date fibre laser technology and single emitter diodes provide high overall efficiency.
Rofin’s new picosecond laser combines processing quality and precision with low maintenance requirements. The PowerLine Pico is a powerful material-processing tool, particularly for miniaturised parts and sensitive materials.
Rofin presents different lasers from its femto to short-pulsed laser product range at the Laser World of Photonics 2013 on 13-16 May at the Messe München (hall C2, booth 327) in Munich, Germany.
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