Buying Linewidth Measurement Equipment
The linewidth of lasers is crucial for various applications. Specialized measurement equipment can reliably measure laser linewidth and contribute to comprehensive laser noise specifications. Techniques such as spectrometers, interferometers, self-heterodyne measurement setups, and beat note analysis are used.
Making Good Purchase Decisions
RP Photonics helps to not only to find all relevant suppliers, but also to make good purchase decisions:
Learning Resources
With its comprehensive resources, RP Photonics helps you to well prepare purchase decisions:
- Encyclopedia article: linewidth
- Related articles: linewidth enhancement factor, coherence time, coherence length, phase noise, noise specifications, laser specifications, laser noise, single-frequency operation, narrow-linewidth lasers, self-heterodyne linewidth measurement, stabilization of lasers
- Spotlight article: "The Linewidth of Single-frequency Lasers"
Aspects to Consider Before Buying
Some aspects to consider before buying linewidth measurement equipment: compatibility with lasers, wavelength range, measurement resolution and accuracy, mininmum required optical power, update rate, user interface, digital interface, durability, environmental resistance, calibration needs, maintenance, reliability.
For responsible purchase decisions, we recommend applying good practices.
Find Suppliers for Linewidth Measurement Equipment
16 suppliers for linewidth measurement equipment 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 | |
|---|---|
 all wavelengths. TOPTICA Photonics AGLochhamer Schlag 19 82166 Gräfelfing Germany See us at SPIE Photonics West 2025 in San Francisco, January 25–30 (booth 1527, 3501, 3603)! |  The HighFinesse Linewidth Analyzers (LWAs) are very versatile, robust and compact instruments for measuring, analyzing and controlling frequency and intensity noise of lasers. This makes them ideal equipment for exact laser characterization in real time. The HighFinesse wavelength meters are the unsurpassed high-end instruments for wave-length measurement of pulsed or continuous laser sources. They deliver the superb absolute and relative accuracy required by cutting edge scientific research, as well as industrial and medical applications. |
 The Standard of Accuracy HighFinesse GmbHWöhrdstraße 4 72072 Tübingen Germany See us at SPIE Photonics West 2025 in San Francisco, January 25–30 (booth 3603)! |  HighFinesse linewidth analyzers are the ultimate high-end instruments for measuring, analyzing and controlling frequency, linewidth and intensity noise of laser light sources. The product series covers a measurement range from 450 nm up to 1625 nm and enables the analysis of both very narrow laser lines down to 1 kHz as well as broader spectra up to 100 MHz. Thanks to the included software, the instrument delivers real-time analysis, with no need for further calculation. The analyzers feature an extremely high resolution and accuracy and are ideal for optimizing the stability of laser setups. |
| Other Suppliers | |
|---|---|
| ELUXI Ltd. United Kingdom | |
| Keysight Technologies, Inc. United States | |
| Lahat Technologies Ltd Israel | |
| Mountain Photonics GmbH Germany | |
| Nano-Giga France | |
| OEwaves, Inc. United States | |
| OptiGrate United States | |
| Optoprim Germany GmbH Germany | |
| Radiant Dyes Laser & Accessoires GmbH Germany | |
| Solar Laser Systems Belarus | |
| Stable Laser Systems United States | |
| Vexlum Ltd Finland | |
| von Gegerfelt Photonics Germany | |
| YSL Photonics China | |
