The laser for multiphoton microscopy

The ultrafast fiber laser Aalto features a pulse duration below 50 fs and more than 200 mW of average output power. The robust, low noise and high peak power laser is the ideal source for multiphoton application as for example multiphoton microscopy.

In general these parameters enables higher resolution and deeper imaging. Compared to a conventional fiber laser with a pulse duration with 200 fs the efficiency of a two photon process will be increased by a factor  of 4 at the same average power!  In other words, at the same effiency of the multiphoton process it allows a reduction of the average power which will reduce photobleaching and phototoxicity.

To benefit from the shortest pulse duration at your sampel the laser includes a dispersion precompensating module which could be electronically adjusted by the user. This allows you to optimize your imaging quality.

Using shorter pulses – Improve your imaging quality – Improve your results

Key features Aalto

  • Turn key
  • Interlock system
  • Adjustable pulse duration
  • Precompensating dispersion module
  • Remote controllable
  • Optional:
    • Fiber coupling
    • Additional output


  • Biophotonics
  • Multiphoton microscopy
  • Optogenetics
  • Time-resolved spectroscopy
  • Two-photon polymerization
  • 3D micro printing
  • Supercontinuum generation
  • Amplifier seeding
  • Pumping OPOs

Custom solutions are available.

For further information and pricing please contact us.

VALO Aalto data sheet frog

Measured with APE pulseCheck + FROG

VALO Aalto data sheet spectrum

Specifications Aalto

VALO Aalto specifications

Technical Drawing Aalto

VALO Aalto technical data

Made in Germany

Specifications and technical data are subjects to change without notice due to technical developments.

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VALO Innovations GmbH
Hollerithallee 17
30419 Hannover

+49 (0) 511 260 390 70