Menlo Systems YLMO Femtosecond Ytterbium Laser

YLMO Femtosecond Ytterbium Laser

Menlo Systems’ femtosecond fiber laser integrates the latest developments in fiber technology and incorporates these enhancements into an easy-to-use product.

Our patented figure 9® technology delivers reliable and consistent mode-locking, which is ideally suited to ensure long-term stable operation in demanding environments. The YLMO with its PM-fiber design guarantees excellent stability and consistent long-term performance.

The YLMO is engineered with life science and multi-photon applications in mind. The pulses can be pre-chirped to attain their shortest width within their intended target sample.

The installation of the laser system is as easy as it gets, taking only a few minutes. For ease of operation, the laser is switched on by the push of a single button. The maintenance free operation guarantees a worry-free device that enables our customers to focus their time and resources on their actual application.

Central Wavelength 1045 nm ± 10 nm
Average Power >4 W (@ 100 MHz)
Pulse Energy >40 nJ
Pulse Width<80 fs
Repetition Ratefactory set between 30 MHz and 100 MHz, ± 1 MHz
Output Portfree space
Polarizationp-pol. in free space (PER: typ. 23 dB)
Pulse Picking Option (only for 50 MHz or lower)Realized by integrated fast AOM: Mode 1: Divides repetition rate by factor 3 or higher, pulse energy stays constant. Mode 2: Can be used as fast amplitude modulator.

Amplitude noise

YLMO 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

Starttest C Fiber 3w

  • 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 30-100 MHz
  • Compact Laser Head and Silent Operation
  • Robust Design for Harsh Environments
  • Laser micromachining
  • Ultrafast Spectroscopy

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LWOP, 27-30 June | Hall: B1 Booth: 422
Laser Korea, 5-7 July | Booth: 4G34
LWOP India, 13-15 September | Hall: 3 Booth: LF15
DSEI, 12-15 September | Booth: Manufacturing Pod 7
SPIE Defense + Commercial Sensing, 2 - 4 May | Booth: 1320
Laser World of Photonics, 27-30 June | Hall: B1 Booth: 422
Laser World of Photonics India, 13-15 September | Hall: 3 Booth: LF15
DSEI, 12-15 September | Booth: Manufacturing Pod 7