Yb-Doped Frequency Comb


Optical Frequency Synthesizer, Yb-Doped

  • Measure Optical Frequencies with Uprecedented Accuracy (up to 14 digits) and Satability
  • Patented Optical Frequency Comb Technology
  • Octave-Spanning Spectrum Centered at 1030 nm


  • Dimensional Metrology
  • Optical Clocks
  • High Resolution Spectroscopy
  • Low-Noise Microwave Synthesis
  • Absolute Distance Measurements
  • Transfer of Ultrastable Timing Signal and Frequency Standards

Femtosecond optical frequency combs have led to a revolution in our ability to measure the frequency of light. This approach vastly enhances and simplifies dimensional metrology and enables new directions in physics.

The FC1000-250 measures optical frequencies with unprecedented accuracy (up to 14 digits) and stability. It is based on a mode-locked Ytterbium-doped oscillator and provides 500,000 precise laser lines with equal spacing of 250 MHz. The output is spectrally broadened to generate an octave-spanning spectrum. The offset frequency beat is generated in a stable, rigid f:2f interferometer. The system is designed and engineered for 24/7 operation.


Consecutive pulses and the corresponding spectrum of the pulse train emitted by a mode locked laser. The carrier wave (shown in blue) shifts by Δϕ after each round trip with respect to the pulse envelope (shown in red). This continuous shift results in a frequency offset f0=Δϕ/Τ of the comb.

Stabilization of the offset frequency and the pulse to pulse phase slippage by frequency doubling the infrared part of the comb and observation of the beat with the blue part.




Item #FC1000-250
Comb Frequency Spacing 250 MHz
Accessible Optical Range Octave-Spanning Spectrum Centered at 1030 nm
Accuracy* 10-14
Stability* 5 x 10-13 in 1 s
Input Requirements 10 MHz Reference, Power Level +7 dBm

*Or same as reference, whichever applies first


Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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