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  • Fusion, Femtosource XL Oscillators
Jul 2007
FEMTOLASERS Produktions GmbHRequest Info
VIENNA, Austria, July 10, 2007 -- Two new ultrafast oscillator systems from Femtolasers Produktions GmbH of Vienna offer a broad range of output power levels for applications including time-resolved spectroscopy and multiphoton processes.

The new Fusion ultrafast oscillator system is a model range of ultracompact Titanium:sapphire (Ti:sapphire) oscillators combining integrated design and yet customer accessibility, ensuring maximum stability and ease of operation, according to the manufacturer.
Femtolasers Produktions' Fusion ultrafast oscillator system.

All Fusion models make use of the company's patented dispersive mirror (DM) technology, which is specifically designed for broadband intracavity group delay dispersion compensation, according to Femtolasers Produktions.

Femtolasers' low-loss high-efficiency cavity design enables a broad range of output power levels with versions starting from 100 mW up to high-end versions with more than 800 mW of mode-locked output power. All power levels are available with pulses of 10 fs and less in duration.

The extracompact footprint includes a high-reliability pump module and offers outmost flexibility in custom specifications. Femtolock repetition rate stabilization, tunability in bandwidth as well as custom center wavelength are a small selection of a rich list of features available with the Fusion.

The Fusion is designed for demanding applications including seeding of amplifier chains, coherent terahertz generation, time-resolved spectroscopy as well as multiphoton processes benefiting from more than 1 MW of peak power, the company said.

The new Femtosource scientific XL 200 is an enhanced version of the scientific XL for applications demanding even higher pulse energies, Femtolasers Produktions said, and now has more than 200 nJ at less than 60 fs available.

The Femtosource XL represents a new generation of high pulse-energy ultrafast compact Ti:sapphire oscillator systems and is based on the company's patented revolutionary chirped pulse oscillator (CPO) technology. In the XL CPO design a long (chirped) pulse circulates in an extended cavity allowing the pulse energy to build to extraordinarily high levels, the company said.ScientificXL.jpg
The Femtosource scientific XL 200 from Femtolasers Produktions is an enhanced version of the scientific XL for applications demanding even higher pulse energies.
Two mirrors combine to form a multipass cell in order to introduce a long propagation distance inside the cavity on a compact footprint. A careful design of the telescope guarantees superior system stability, eliminating beam pointing variations to first order. The transverse-beam profile of the output is similar to the other Femtosource oscillators, according to the company.

The Femtosource scientific XL 200 also uses the company's patented DM technology for low-loss intracavity dispersion control, making the broadest bandwidth directly from a high-energy oscillator guaranteed, the company said. After recompression, the system offers the shortest optical pulses in combination with the highest pulse peak power and pulse energy commercially available in a compact, high-repetition-rate laser system.

Applications for the Femtosource scientific XL 200 include materials processing, time-resolved spectroscopy, multiphoton microscopy and coherent terahertz generation.

For more information, visit:; e-mail:

Femtolasers Produktions GmbH
Fernkorngasse 10, A-1100
Vienna, Austria
Phone: +43 1 503-7002-0
Fax: +43 1 503-7002-99


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1. The combination of the effects of two or more stimuli in any given sense to form a single sensation. With respect to vision, the perception of continuous illumination formed by the rapid successive presentation of light flashes at a specified rate. 2. The transition of matter from solid to liquid form. 3. With respect to atomic or nuclear fusion, the combination of atomic nuclei, under extreme heat, to form a heavier nucleus.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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