Meet the FemtoFiber ultra 780, a compact femtosecond fiber laser that quietly does its job exceptionally well. Built with industrial-grade technology, it offers the kind of stability you can rely on day in, day out. The 780 nm laser integrates smoothly into your setup without making a fuss.
Its clean beam profile allows for precise focusing and crisp resolution, helping you achieve consistent results with confidence. With solid power reaching up to 1.5 W, short pulses down to 80 fs, and a clean temporal pulse shape, it gives you the control you need while keeping things straightforward. Features like dispersion compensation and fast power control let you fine-tune performance in a way that feels intuitive.
From two-photon polymerization, also known as two-photon lithography, to semiconductor inspection and semiconductor metrology, as well as SHG imaging, the FemtoFiber ultra 780 supports your work with a calm confidence that lets you focus on what really matters.
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Your Benefits
Compact & Low cost of ownership
Saving table space with all-integrated robust fiber laser system.
Powering the fastest two-photon lithography
Highest available power for a commercial fiber laser at 780 nm on the market.
Fully software controllable system
Python-scripting compatible system with GUI and/or development SDK for system integrators. The laser allows to be operated by remote control, having no need to manually interact with the system. The software allows also to monitor the laser during long-term operation 24/7.
More than 20 years of experience
TOPTICA is drawing upon 20 years of experience in developing OEM-class fiber lasers. We have tailored our FemtoFiber ultra series to provide our customers with an industrial-grade light engine for high-end applications. The reliable and compact laser design provides femtosecond pulses with high average power, excellent temporal and spatial beam quality.
Applications
Two photon polymerization (3D microprinting)
TOPTICA’s ultrafast laser platforms provide the pulse duration, repetition rate, and spatial coherence essential for high throughput and ultimate structural fidelity in 3D laser lithography.
Two-Photon microscopy
Two-photon excitation microscopy opens a window deep into living tissue.
Lithography & microfabrication
From semiconductor patterning and 3D microprinting to holographic optics and transparent displays, laser light is the most precise tool.
Label free & clinical imaging
Label-free imaging visualizes chemical and structural information in living cells without stains or labels.
Options
Short pulse
System variant SP with optimized pulse duration below 100 fs, typ. 80 fs reachable
High power
System variant HP with optimized output power of up to 1.5 W
AOM
An AOM for fast modulation of the laser light can be integrated into the system. Ready to use. No complicated optics taking up valuable table space.
Pulse picker
An integrated pulse picker reduces the effective repetition rate from 80 MHz to 8 MHz (1:10).
Custom repetition rate
The custom repetition rate provides a modified oscillator with a pre-defined repetition rate between 40 and 80 MHz upon ordering.
FemtoFiber ultra 390
The system has an additional SHG unit that can generate femtosecond pulses with an average power of >0.1 W at 390 nm.
FemtoFiber ultra 1550
The system provides fundamental Er-doped fiber amplifier generating femtosecond pulses with an average power of > 2 W at 1550 nm.
Dual-color
With the FemtoFiber ultra dual-color option two FemtoFiber ultra are optically synchronized and allow simultaneous imaging with two different laser colors.
No laser wavelength tuning is required.
Fiber delivery
Replace the free-space path between the femtosecond laser and the two-photon microscope. Our product FemtoFiber ultra FD delivers its pulses via a polarization-maintaining hollow-core fiber.
Dennis Eggert, et al., Differentiation of Tumors of the Upper Respiratory Tract Using Optical Metabolic Imaging, Lasers in Surgery and Medicine: Volume 57, Issue 2, February 2025
Marie Reischke, Oliver Vanderpoorten, Florian Stroehl, Rapid prototyping of 1xN multifocus gratings via additive direct laser writing - ScienceDirect, Micro and Nano Engineering Volume 19, June 2023, 100186
Manfred Bayer, et al., Resonant thermal energy transfer to magnons in a ferromagnetic nanolayer, Nature, Nature Communications 11, Article number: 4130 (2020)
