FLINT Femtosecond Yb Oscillator

FLINT femtosecond Yb oscillator

The FLINT oscillator is based on Yb:KGW crystal end pumped by high brightness laser diode module, generating femtosecond pulses with high output power up to 6W (pulse energy up to 75nJ).

Generation of femtosecond pulses in the FLINT is provided by Kerr lens modelocking. This results in excellent pulse contrast due the high nonlinearity inherent for optical Kerr effect.

The standard repetition rate of FLINT oscillator is 76 MHz but the oscillator can be equipped with an external electrooptical pulse picker and appropriate timing electronics allowing selection of a single pulse at repetition rates up to 100 kHz.

Available output powers of the FLINT are up to 6W, with pulse durations typically <80 fs (or <40fs with the new Short Pulse model).

The FLINT oscillator output power can be actively stabilized by power lock function. The oscillator can also be equipped with optional, wavelength converter (HIRO) providing harmonics radiation at 515nm, 343nm and 258nm wavelengths.

The FLINT is ideally suited to seeding of Yb/Nd based ultrashort pulse laser amplifiers and for broadband terahertz generation.


  • 1W, 2W, 4W or 6W output power (pulse energy up to 75nJ)
  • Down to <40fs pulses
  • Excellent pulse contrast
  • Active stabilisation with external power lock
  • Optional CEP stabilization
  • Efficient wavelength extension down to 515nm, 343nm and 258nm with HIRO Harmonics Generator



This product could be used for the following applications:

  • THz generation
  • Seeding of ultrashort pulse amplifiers
  • Two photon microscopy
  • OPO pumping


This product is manufactured by Light Conversion.

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