Buying Autocorrelators
Optical autocorrelators are devices used to measure and characterize ultrashort laser pulses, providing information on pulse duration and shape. Different types, including intensity and interferometric autocorrelators, are employed in laser physics and photonics research to analyze and optimize laser performance.
Making Good Purchase Decisions
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Learning Resources

With its comprehensive resources, RP Photonics helps you to well prepare purchase decisions:
- Encyclopedia article: autocorrelators
- Related articles: pulse duration, pulse characterization
Aspects to Consider Before Buying
Some aspects to consider before buying autocorrelators: measurement precision, delay range, interferometric or intensity autocorrelation, range of allowed pulse energies, compatibility with lasers, durability, response time, single or multiple pulse operation, ease of alignment and calibration, data analysis tools, computer interface, operational stability, ease of integration.
For responsible purchase decisions, we recommend applying good practices.
Find Suppliers for Autocorrelators
21 suppliers for autocorrelators are listed in the RP Photonics Buyer's Guide, out of which 5 present their product descriptions. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package presenting their product descriptions | |
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![]() YOUR KEY to innovation and success UltraFast Innovations GmbHDieselstr. 5 85748 Garching (München) Germany | ![]() TUNDRA®, by UltraFast Innovations (UFI®), is a third-order autocorrelator, which serves as a highly sensitive diagnostic tool for laser pulse contrast measurements. Using third-harmonic generation, TUNDRA can distinguish between pre- and post-pulses. Its dynamic range reaches up to 14 orders of magnitude, sufficient for detecting even the tiniest parasitic pre- and post-pulses. The scan range is up to 3.8 ns, and pulse durations from <20 fs to 3 ps can be measured. It is available for 800 nm and 1030 nm but other wavelengths can be provided upon request. TUNDRA is a fully automated device, serving as an invaluable tool for state-of-the-art characterization of ultrashort laser pulses. Its designed ensures that ghost pre/post pulses are avoided. |
![]() The Future Depends on Optics Edmund Optics101 East Gloucester Pike Barrington, NJ 08007 United States | ![]() Our compact ultrafast autocorrelator is used to characterize ultrafast laser pulses originating from Ti:sapphire and Yb:doped lasers. Featuring a built-in two-photon absorption (TPA) detector, this autocorrelator is ideal for measuring ultrafast femtosecond and picosecond laser pulses at wavelengths from 700 to 1100 nm. The highly sensitive TPA detector allows for measurements of ultrafast laser pulses with high sensitivity by eliminating the need for angle tuning of the SHG nonlinear crystal. |
![]() Plauener Straße 163–165 / Haus N 13053 Berlin Germany | ![]() APE autocorrelators are used to measure the pulse duration of femtosecond and picosecond laser systems. The technology is based on either second harmonic generation (SHG) detection or two-photon absorption (TPA) detection principle.
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![]() 43 Sparta Avenue Newton, NJ 07860 United States | ![]() The FSAC benchtop interferometric autocorrelator manufactured by Thorlabs is designed to characterize ultrafast pulse durations from 15 – 1,000 fs in the 650 – 1100 nm range. This autocorrelator for use with femtosecond lasers compliments our ultrafast family of lasers, amplifiers, and specialized optics, including nonlinear crystals, chirped mirrors, low GDD mirrors/beamsplitters, and dispersion compensating fiber. |
![]() Batiment Gienah, Cite de la Photonique 11 avenue de Canteranne 33600 Pessac France | ![]() Femto Easy offers two different types of very compact and handy autocorrelators for ultrashort pulse characterization:
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Other Suppliers | |
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Avesta Ltd. Russian Federation | |
Axiom Optics United States | |
Coherent Corp. United States | |
Crisel Instruments s.r.l. Italy | |
Del Mar Photonics, Inc. United States | |
Dyneos AG Switzerland | |
Femtochrome Research United States | |
GMP SA, Büro Zürich Switzerland | |
Mesa Photonics United States | |
Minioptic Technologies, Inc United States | |
Mountain Photonics GmbH Germany | |
New Technologies and Consulting Germany | |
Newport Corporation United States | |
Photon Lines Ltd. United Kingdom | |
Polytec GmbH Germany | |
Topag Lasertechnik GmbH Germany |