Buying Diode Lasers
Diode lasers are semiconductor lasers based on laser diodes. They have a wide range of applications, including pumping solid-state lasers, laser spectroscopy, optical metrology, and laser material processing. Their compact size, efficiency, and versatility make them indispensable in modern technology.
Making Good Purchase Decisions
As the most professional photonics purchasing portal, RP Photonics helps you to not only to find all relevant suppliers (not limited to our advertisers), but also to make good purchasing decisions.
NEW: Structured Decision Process
Purchasing involves a lot of responsibility. 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.
Our article on best practices for purchasing and another one explaining this tool give you valuable insights.
Suppliers for Diode Lasers
103 suppliers for diode lasers are listed in the RP Photonics Buyer's Guide, out of which 15 present their product descriptions. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package
presenting their product descriptions
![]() 30 Years of Laser Excellence MonocromC/ Vilanoveta 6 08800 Vilanova i la Geltrú (Barcelona) Spain See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B3.418)! | ![]() Monocrom offers a range of diode lasers for a wide range of wavelengths between 375 nm and 2200 nm:
Monocrom's solder-free laser bar Clamping™ technique improves the overall performance and prolongs the laser diode lifetime. Product-specific web page |
![]() Hedwig-Jahnow-Str. 12 35037 Marburg Germany See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.235) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 412)! | ![]() Sacher Lasertechnik offers a wide range of diode lasers. These include:
Both free-space and fiber-coupled lasers are available. Further, there are diode laser systems, e.g. for Raman spectroscopy or time-resolved fluorescence spectroscopy. Product-specific web page |
![]() Focused on Possibility. Sheaumann Laser, Inc.5 Federal Street Billerica, MA 01821 United States See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A2.451)! | ![]() Sheaumann Laser offers a wide range of laser diodes, ranging from low-power single-mode emitters to multimode high-power lasers. Many different packaging options (with free-space output or fiber-coupled) are available. Emission wavelengths range from 785 nm to 1710 nm. Product-specific web page |
![]() Specialist in Special Optical Devices CSRayzer Optical Technology Co., Ltd1F, 2F, 6F, No. 5 Bldg, 88# Hongshan District Wuhan 430074 China See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A3.426)! |
CSRayzer provides diode laser modules in butterfly package or TO-CAN package, operating in various wavelength bands. They include DFB laser diodes, SOA laser module, SLED, and pump LDs. Product-specific web page |
![]() all wavelengths. TOPTICA Photonics AGLochhamer Schlag 19 82166 Gräfelfing Germany See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.103) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 217)! | ![]() Diode lasers combine plug-and-play operation, compact form factor and maximum performance. TOPTICA offers single-mode diode lasers, multi-color lasers, single-frequency lasers, and tunable diode lasers for demanding applications in biophotonics, industrial metrology and quantum technology. TOPTICA provides the widest wavelength coverage of diode lasers on the market (190 – 4000 nm). The CLS – Ultra-Stable Clock Laser System – is a highly stable clock laser designed for quantum computing and optical clocks. Featuring sub-Hz linewidth via stabilization to ultra-low expansion (ULE) cavities, it ensures exceptional frequency stability for high-fidelity qubit control and precise optical clock transitions. Available at key wavelengths for Yb, Sr, Ca+, Ba+, and more. The CTL – Continuously Tunable Laser – is the ultimate choice when looking for a laser that is widely and continuously tunable without any mode-hops. The CTL delivers wide mode-hop-free tuning up to 130 nm, available in wavelengths from 750 nm to 1750 nm. High resolution down to kHz level. Low noise and drift with a linewidth below 1 kHz for precise measurements at the quantum limit. User-friendly control panel and remote operation. Product-specific web page |
![]() Laser Diodes. Redefined. Eblana Photonics3 West Pier Business Campus Dun Laoghaire Dublin A96 A621 Ireland | ![]() Eblana Photonics' core product offerings are based on our patented Discrete-Mode (DFB like) manufacturing technology, which delivers industry leading performance with fully scalable, consistent production and integration capability. Eblana’s products are used extensively for trace gas sensing and environmental monitoring in the near- and mid-IR. In addition, the inherent low linewidth performance of the DM platform in comparison to typical DFB lasers is uniquely suited to distributed fibre sensing and LIDAR applications, as well as scientific and metrology projects. Product-specific web page |
![]() The lasers you need. From the people you trust. Our experience, your advantage. RPMC Lasers, Inc.8495 Veterans Memorial Pkwy O’Fallon MO 63366 United States | ![]() Serving North America, RPMC Lasers offers semiconductor laser diodes from UV (375 nm) to LWIR (17 µm) with the widest wavelength and package range, from mW TO-cans to kW fiber-coupled turnkey systems, covering components to subsystems. Our diodes feature free-space or fiber-coupled outputs with connector/fiber options, multimode, single mode, polarized, low noise, stabilized, SLM, narrow linewidth, and single-frequency configs. Tailored solutions from wafers and chips to OEM and turnkey systems, including single unit, ultra-compact, flexible multi-wavelength combiners with up to 4 diode laser wavelengths, USB-powered, for lightweight, handheld and portable applications or even for lab use. Let RPMC help you find the right laser today! Product-specific web page |
![]() A Tradition of High Power Photonics Leadership QPC Lasers Inc.15632 Roxford Street Sylmar, CA 91342 United States | ![]() QPC Lasers full vertical integration from epitaxy through packaging allows us to offer standard and custom diode solutions in packages ranging from C-mounts to complete OEM light engines that provide performance without compromise. Product-specific web page |
![]() Wilhelmine-Reichard Strasse 6 34123 Kassel Germany See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.217) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 137)! | ![]() Some of the lasers of HÜBNER Photonics are diode lasers with fully integrated electronics, allowing for rapid power modulation (rise time <2.5 ns). They are available with emission wavelengths between 375 nm and 975 nm, free-space or fiber coupled output, and output powers between 50 mW and 400 mW. Product-specific web page |
![]() Rue François Mitterrand Institut d'Optique d'Aquitaine 33400 Talence France See us at CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 327)! | ![]() SHIPS TODAY: AeroDIODE offers fiber-coupled laser diodes between 520 nm and 1650 nm as stock items or associated with a CW or pulsed laser diode driver. They are compatible with our high speed nanosecond pulsed drivers or high power CW drivers (with air cooling) for the multimode high power laser diode versions. The single mode laser diodes (either Fabry–Pérot laser diode or DFB laser diode) can reach high power in nanosecond pulse regime up to 400 mW. Most turn-key diode & driver solutions are optimized for single-shot to CW performances with pulse width lengths down to 1 ns. The laser diode precision pulses are generated internally by an on-board pulse generator, or on demand from an external TTL signal. Many multimode versions are available with CW emission up to 450 W in a 200-µm core multimode fiber or up to 250 W in a 135-µm core fiber or 160 W in a 105 µm core fiber. See also our tutorial on fiber-coupled laser diodes. Product-specific web page |
![]() No. 888 Jinhu Road High-tech Zone, Changchun 130103 China See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A2.261)! | ![]() CNI offers a wide wavelength range of diode lasers with wavelengths from 375 nm to 1.9 μm, including TEM00 mode diode lasers, multi-line diode lasers, wavelength-tunable diode lasers, narrow linewidth lasers, long coherent diode lasers and others. They are all widely used in many scientific and industrial applications. Product-specific web page |
![]() We manufacture diode lasers Lumics GmbHSchwarze-Pumpe-Weg 16 12681 Berlin Germany See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B3.100)! | ![]() The Lumics diode lasers are ideal for OEM integrators developing state-of-the-art end-user laser systems, featuring single emitters with exceptional longevity. Lumics provides single-mode 14-pin BTF lasers for high-precision industrial applications, along with multi-mode diode laser modules available in various sizes, customizable to meet specific customer requirements. Users can specify wavelengths, power levels, and fiber core diameters to ensure the perfect diode laser match for their applications. Product-specific web page |
![]() The specialist in laser technologies Lumibird – Quantel, Keopsys, Convergent, Continuum brands2 rue Paul Sabatier 22300 Lannion France See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A2.341)! | ![]() Lumibird manufactures a wide range of laser diodes and laser diode modules. Our offering includes QCW diode stacks, CW laser diode modules, fiber coupled QCW diode stacks, short pulse laser diode illuminators, as well as high brightness diode source, IALDA, and pulsed power supply drivers for QCW diodes. Product-specific web page |
![]() The Future Depends on Optics Edmund Optics101 East Gloucester Pike Barrington, NJ 08007 United States See us at CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 317), Automate 25 in Detroit (MI), USA, May 12–15 (booth 4400), SPS Italia in Parma, Italy, May 13–15 (hall 5, booth 055), LASER World of Photonics 2025 in Munich, June 24–27 (booth B1.416) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 317)! | ![]() Edmund Optics offers a wide range of diode laser sources, including machine vision lasers, life science lasers, metrology lasers, industrial and point lasers, and material processing lasers. Product-specific web page |
![]() Pioneering Photonics Alpes Lasers SAAvenue des Pâquiers 1 2072 St-Blaise Switzerland See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A2.547)! | ![]() Alpes Lasers manufactures laser diodes emitting at wavelengths from 1.45 to 2.15 μm with powers up to 50 mW. They are offered either as chip-on-carrier or encapsulated in a low power TO-66 package with collimated or divergent free-space beam output. Product-specific web page |
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Other Suppliers
4in1 Photonics LLC United States |
A.R.C. Laser GmbH Germany |
AceXon Singapore |
Agiltron Inc. United States |
AKELA Laser Corporation United States |
Allied Scientific Pro Canada |
AMPHOS GmbH Germany |
Arktis Laser Inc. Canada |
Beijing RealLight Technology Co. Ltd. China |
Blue Sky Research United States |
chilas B. V. Netherlands |
CivilLaser Laser Source Technology Co., Ltd. China |
Coherent Corp. United States |
Crisel Instruments s.r.l. Italy |
Crystalaser United States |
DRS Daylight Solutions Inc. United States |
Egismos Technology Corporation Taiwan |
Everbright Photonics China |
Evolase Oy Finland |
Focuslight Technologies Inc. China |
GEHT International Ltd Hong Kong |
Global Laser Ltd United Kingdom |
Holo-Spectra, Inc. United States |
IBPhotonics Ltd. Bulgaria |
IL Photonics Israel |
Innolume GmbH Germany |
Innovative Photonic Solutions United States |
InPhenix, Inc. United States |
Integrated Optics, Ltd. Lithuania |
IPG Photonics Corporation United States |
JENOPTIK Laser GmbH Germany |
Lahat Technologies Ltd Israel |
Lambda Photometrics Ltd United Kingdom |
LAS Photonics Israel |
Laser 2000 GmbH Germany |
Laser Peak Austria |
Laserglow Technologies Canada M6C 1C |
LMD Power of Light Corp. dba LaserMaxDefense United States |
Lasertel North America United States |
Lastronics GmbH Germany |
LD4B, UAB Lithuania |
LEOS Instruments s.r.l. Italy |
Lightelligence, Inc. United States |
Lumentum Operations LLC United States |
LumiMetric Co., Ltd. China |
Lumispot Technology Corp. China |
Maxphotonics Co., Ltd. China |
Metrohm AG Switzerland |
Micro Laser Systems, Inc. United States |
Micromaterials, Inc. United States |
Modulight, Inc. Finland |
MOG Laboratories Pty Ltd Australia |
NaKu Technology Co., Ltd China |
Nano-Giga France |
nanoplus Nanosystems and Technologies GmbH Germany |
National Laser Company United States |
OEwaves, Inc. United States |
Opto Enginee LLC United States |
Optoprim Germany GmbH Germany |
Oriental-Laser (Beijing) Technology Co., Ltd. China |
Photodigm Inc. United States |
PhotonTec Berlin GmbH Germany |
Photonwares Co. United States |
PicoQuant GmbH Germany |
Power Technology Inc. United States |
Pro-Lite Technology Ltd United Kingdom |
Quantum Composers Inc. United States |
Radiant Dyes Laser & Accessoires GmbH Germany |
Raymax Lasers Australia |
Redfern Integrated Optics United States |
RIO Lasers, an OptaSense business United States |
Sakar Technology United States |
Schmidt Marking Systems United States |
SemiNex High Power Laser Diodes United States |
Shenzhen RFH Laser Technology Co., Ltd China |
SIMTRUM Pte. Ltd. Singapore |
Sintec Optronics Pte Ltd (HQ) Singapore |
The Optoelectronics Company Ltd United Kingdom |
Tillquist Group AB Sweden |
Topag Lasertechnik GmbH Germany |
TRUMPF Laser- und Systemtechnik GmbH Germany |
Vescent Photonics, Inc. United States |
VM-TIM GmbH Germany |
von Gegerfelt Photonics Germany |
Wavelength Opto-Electronic (S) Pte Ltd Singapore |
World Star Tech Canada |
XPhotonics China |
Z-LASER Optoelektronik GmbH Germany |