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Femtosecond Phase Stabilization


  • Control Pulse Carrier Offset Phase
  • Patented Phase Stabilization Technology

APS800

XPS800

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Applications

  • Control Strong-Field Processes in Extreme Nonlinear Optics
  • High Harmonic Attosecond Pulse Generation
  • Phase-Sensitive Experiments

The phase stabilization technology is covered by several international patents (e.g., see EU patent EP 1161782 and US patent 6,785,303 B1). Menlo Systems holds the exclusive rights on these patents. Menlo Systems is proud to have a close collaboration with major laser companies that use these products and our patented technology as OEM integrators.

XPS800 Femtosecond Oscillator Phase Stabilization

The XPS800 Femtosecond Phase Stabilization Unit gives you control of the phase relationship between the carrier and envelope of your ultrashort pulses. The pulses from the femtosecond laser are broadened in a nonlinear photonic crystal fiber to achieve an octave spanning spectrum. A nonlinear interferometer subsequently generates the beat note between the frequency doubled infrared part and the green part of the spectrum. This offset beat signal is fed into the locking electronics. The stabilization electronics are designed to phase lock the offset beat to ¼ of the repetition frequency of the oscillator. By doing so every fourth pulse has exactly the same phase. Subsequent amplifier systems can pick those pulses to provide output without phase slip.

Item # XPS800
Center Wavelength 800 nm or 1000 nm
Repetition Fequency 70-90 MHz
Offset Frequency 1/4 of the Rep. Freq. or Zero
Input Requirements 200 mW Avg. Power in <15 fs Pulses
Interferometer Dimensions 250 mm x 100 mm x 60 mm
(10.0" x 4.0" x 2.4")
Stabilization Electronics Dimensions 449 mm x 148 mm x 317 mm
(2U, 19" Rack)

APS800 Femtosecond Amplifier Phase Stabilization

The Menlo Systems APS800 is used to monitor and stabilize the slow carrier-envelope phase drifts that occur during amplification of phase-stabilized femtosecond pulses. The APS800 expands full phase control to the regime of high power optical pulses used in today's most demanding experiments of attosecond time domain physics and related areas. To monitor the slow carrier-envelope phase drifts, a small part of the amplifier output is split off and spectrally broadened in a Sapphire plate. In an optical interferometer, the green part of the resulting octave spanning spectrum is overlapped with the frequency doubled infrared part. With the help of a spectrometer and control software algorithms, the resulting interferogram is analyzed and a slow correction signal is generated. The APS800 is designed to complement the Menlo Systems femtosecond phase stabilization unit XPS800. Installation and training are available upon request.

Item # APS800
Amplifier Carrier Wavelength 800 nm
Energy Fluctuations <1% (pulse-to-pulse, RMS)
Repetition Rate 1 - 10 kHz
Input Energy >10 µJ/Pulse
Pulse Length <50 fs
Beam Diameter 5 - 15 mm
Optical Setup Dimensions 410 mm x 230 mm x 140 mm
(16.2" x 9.1" x 5.5")
Jason Reeves
Jason Reeves
Sales Engineer
Menlo Systems
Feedback? Questions? Need a Quote?

Please note that these phase stabilization units are available directly from Menlo Systems, Inc. within the United States and from Menlo Systems GmbH outside the United States.
United States
Phone: +1-973-300-4490
Email: ussales@menlosystems.com
Outside United States
Phone: +49-89-189166-0
Email: sales@menlosystems.com

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XPS800 Support Documentation
XPS800Femtosecond Phase Stabilization
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APS800 Support Documentation
APS800Amplifier Phaser Stabilization Unit
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Menlo Lead Time
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