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Optical Frequency Combs: Solutions from the Experts
Lowest phase noise, wide wavelength coverage, and turn-key operation make the Menlo Optical Frequency Comb solutions unrivaled in accuracy, usability, and reliability. The all-fiber laser combs are based on the proprietary and patented Menlo figure 9® technology.
Our top seller:FC1500-250-WG Optical Frequency Comb for metrology, based on a polarization maintaining (PM) erbium fiber oscillator with 250 MHz mode spacing.
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Ultimate precision:FC1500-250-ULN Ultra Low Noise Optical Frequency Comb with ultimate performance in regard to phase noise and stability. When locked to Menlo Systems’ Optical Reference System ORS1500 or ORS-DL, the FC1500-250-ULN maintains <<1 Hz linewidth of every comb line and a stability better than 2 x 10-16 in 1 s and 3 x 10-18 in 1000 s throughout the entire visible and infrared spectrum, thus keeping pace with today’s best optical clocks. |
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Most compact and autonomous:The new SmartComb is an all-in-one Optical Frequency Comb system for fully automated operation. Packaged into a 19’’, 3 U housing our SmartComb is the first system that is truly transportable and easy to use in and outside the optical laboratory. |
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Application driven:High output power: FC1000-250 Optical Frequency Comb for Metrology based on a ytterbium oscillator with 250 MHz mode spacing. With an average output power of >10 W the FC1000-250 is the right choice for applications where highest optical output power make a difference. |
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Mid-infrared range: The Mid-IR Comb is an offset-free Optical Frequency Comb based on PM erbium and ytterbium fiber technology for the mid-IR spectral region. It gives access to the wavelength range around 3 µm and 7 µm (wave numbers of 3000 cm-1 and 1000 cm-1). |
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Telescope calibration: The AstroComb is an Optical Frequency Comb-based calibration system using a PM ytterbium fiber oscillator. For compatibility with the spectrograph resolution and sensitivity, a filter cavity increases the mode spacing up to 25 GHz, and spectral broadening and flattening stages generate the output in the user-defined, visible or NIR spectral range. |
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Spectral Coverage of Menlo Systems' Optical Frequency Combs:
When Sub-Hz Linewidth Is Needed
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Menlo Systems’ Optical Reference System (ORS) is an ultra-stable CW laser system providing sub-Hz linewidth and <2 x 10-15 Hz stability. The laser is locked to a high-finesse cavity in high vacuum. The entire setup is temperature stabilized, with vibration and acoustic isolation, packaged into a compact 19” housing. Being an all-in-one complete system the ORS helps you saving valuable R&D time for highly demanding applications such as
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The ORS1500 uses a polarization maintaining CW fiber laser at 1542 nm or 1064 nm wavelength for applications in the NIR spectral range. The new ORS-DL series uses MOGLabs’ Cateye external cavity diode lasers, extending the available ORS operation to many wavelengths from 400 to 1650 nm. |
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Multiple Sub-Hz Linewidth Optical Output
Recent Application Highlights
Observation of the 1S–2S transition in trapped antihydrogen;
M. Ahmadi et al., Nature Vol. 541, p. 506 (2017):
Members of the ALPHA collaboration at CERN test the symmetry of physical laws in matter and antimatter with extreme sensitivity by measuring the 1S – 2S transition in trapped antihydrogen using a diode laser which is stabilized onto Menlo Systems’ ORS1500 Optical Reference System. The precise measurement of the laser frequency is performed by Menlo Systems’ FC1500-250-WG Optical Frequency Comb.
Your Application Inspires Us
What is your application? Send us your Application Note to have it published on our home page!