Femtosecond Ytterbium Laser

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Advanced Features and Benefits    

  • High Stability
  • Low Amplitude and Phase Noise
  • All-PM Solution
  • Single Mode-Lock State
  • figure 9® Technology, Laser Output in Less than 60 Seconds
  • Repetition Rate 50-100 MHz
  • Smallest Footprint, One-box laser (no external control unit)
Central Wavelength  1030 nm ± 10 nm 1030 nm ± 10 nm 1030 nm ± 10 nm
Average Power  >5 mW >200 mW >2 W
Pulse Energy  >100 pJ >4 nJ >20 nJ
Bandwidth** >10 nm >10 nm  >10 nm
Pulse Width chirped (bandwidth limited pulses with <150 fs on request) chirped (bandwidth limited pulses with <150 fs on request) <150 fs
Repetition Rate*** 50 MHz (50-100 MHz with VARIO) 50 MHz (50-100 MHz with VARIO) 100 MHz
Output Port fiber-coupled, SC/APC fiber-coupled, SC/APC free space
2nd Fiber-Coupled Seed Port optional optional available with MULTIBRANCH
Polarization linear, PM fiber linear, PM fiber linear

*Delivered with additional electronic unit 19”, 2HE.
**Other bandwidths on request.
***Please inquire for your specific combinations of average power, pulse duration, repetition rate, and external fiber length.


Menlo Systems’ fiber-based femtosecond laser sources integrate the latest achievements in fiber technology into easy-to-use products. Menlo Systems’ unique figure 9® mode locking technology results in reproducible and long-term stable operation. The YLMO series with its all-PM design guarantees excellent stability and low-noise operation. As seed source for fiber amplifiers the oscillator is maintenance free, user installed and ready to use at the press of a single button. In the version with >2 W output power the laser is ideal for application in life sciences. In short: An OEM laser engineered for 24/7 operation.


  • VARIO User-Defined Repetition Rate

    Product Code: VARIO

    Factory-set value selectable in the 50-100 MHz range

  • MULTIBRANCH Additional Seed Ports

    Product Code: MULTIBRANCH

    Seeding of multiple amplifiers with optional subsequent frequency conversion to cover multiple wavelengths.

Amplitude noise

YLMO Seed Laser: < 0.5% rms (over 15h in ambient temperature)


YLMO with Amplifier: < 1% rms (over 12h in ambient temperature, YLMO seeding Menlo BlueCut)



Identical and consistent laser performance

ELMO Starttest 3w

MENLO_Expert_Mose _Choi_1.jpg
Dr. Mose Choi
Your direct line to our expert

Data sheets

Ordering information

  • Product Code
  • YLMO

+49 89 189166 0

Menlo Systems, Inc.
+1 973 300 4490

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