Buying Optical Frequency Standards
Active optical frequency standards provide light with highly stable optical frequencies, essential for optical clocks. Passive standards precisely analyze the optical frequency of given light beams.
Making Good Purchase Decisions
RP Photonics helps you to not only to find all relevant suppliers, but also to make good purchasing decisions.
NEW: Structured Decision Process
We recommend that you apply best practice by using the following structured process: Go through the following expandable sections, complete the form and finally come to a purchase decision. You can then print that to a PDF for documenting the process.
(Various further improvements of this feature will come soon.)
See also the white paper on Menlo Systems‘ ORS Ultrastable Laser System: A portable solution for state-of-the-art performance in high-precision measurements from Menlo Systems!

Find Suppliers for Optical Frequency Standards
5 suppliers for optical frequency standards are listed in the RP Photonics Buyer's Guide, out of which 2 present their product descriptions. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package presenting their product descriptions | |
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![]() Precision in photonics. Together we shape a sustainable future. Menlo Systems GmbHBunsenstr. 5 82152 Martinsried Germany | ![]() Menlo Systems provides full solutions for optical frequency standards based on ultrastable lasers as well as components for users that prefer to build their own system. Applications are in today's most demanding measurements in metrology and precision measurements when state-of-the art radio-frequency standards come to their limits. |
![]() The Standard of Accuracy HighFinesse GmbHWöhrdstraße 4 72072 Tübingen Germany | ![]() HighFinesse calibration sources are frequency stabilized, narrow linewidth laser sources suitable for different applications. With an absolute accuracy down to ±11 kHz, these fiber-coupled lasers feature extremely short warm-up time (< 2 min), have a compact design and are user friendly, plug and play devices. They are ideal for quick and accurate calibration of the complete series of HighFinesse wavelength meters. |
Other Suppliers | |
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Excelitas Technologies Corp. United States | |
Vescent Photonics, Inc. United States | |
Wavelength References, Inc. United States |