Laser Diodes

Laser Diodes

RPMC Lasers offers one of the broadest wavelength selections of Semiconductor Laser Diodes available, using indium gallium arsenide (InGaAs), gallium nitride (GaN) and other semiconductor materials.  On this page, we list all diode products, including single emitters, multi-emitters, arrays (bars), stacks, VCSELS, DFB, VBG, QCL, SLD, multi-wavelength, turn-key, tunable, and custom laser types.

Laser Diode Products

Our narrow linewidth options utilize DFB (distributed feedback) and VBG (volume Bragg grating) technology.  Furthermore, we offer fiber-coupled options on most devices and complete turn-key systems if preferred.

Laser Diodes are available with wavelengths in the UV, violet, blue, green, red, NIR, SWIR, MWIR, and LWIR spectral regions, in a large range of output powers. Firstly, our single-mode products provide output powers in the mW range. Next, our multimode emitters and VCSELs produce powers in the Watts range. Finally, our diode bars, stacks and multi-emitter, fiber-coupled modules and systems provide powers in the multi KW range.

There are many different packages to choose from. For example, we offer chip on submount, B-mounts, C-mounts, Q-mounts, and various TO-Can and HHL packages, amongst others. Furthermore, if you do not see the package type needed, we offer many custom packages.

Click on the link to browse our current selection of limited supply, in-stock, lasers at a reduced price.

Let Us Help

In conclusion, if you have any questions or would like some assistance, please contact us here. Furthermore, you can call us at 636.272.7227 to talk to a knowledgeable Product Manager. Alternatively, you can also use the filters on this page, or check out our ‘How to Select a Laser Diode‘ page to assist in narrowing down the selection. Finally, head to our Knowledge Center with our Lasers 101 page and Blogs and Whitepapers pages for further, in-depth reading.

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HL Series


The HL Series of laser diodes are available in a wide range of wavelengths from violet to red and infrared in support of a broad range of applications. These applications include display, medical, biosciences, industrial tools (sensor, leveler), machine vision, scanners, printers and a myriad of other applications being developed in the industry.

JDL Series

The JDL Series of unmounted laser diode bars are available in CW or QCW configurations in wavelength from 760nm – 1064nm. Various emitter configurations and cavity lengths are available offering up to 200W CW and 500W QCW output powers.

JOLD-FC Series

The JOLD-FC Series of high quality high power fiber coupled laser diode bar products are offered in wavelengths from 780nm – 1064nm and 30W to 400W output power.

We offer standard wavelengths of 808 nm, 940 nm and 980 nm. The fiber core diameter of our diode lasers is 200 µm, 400 µm or 600 µm. On request, we will be happy to adapt the parameters to your individual requirements. You can also choose between pilot lasers, monitor diodes and integrated Peltier elements.

Because of their reliability and efficiency, our modules are successfully used as beam sources in areas such as solid-state laser pumps, material processing and medicine. They have a robust and compact design and have proven their worth in daily use.

JOLD-Open Heatsinks Series

The JOLD-Open Heatsinks Series are high quality high power laser diode bar products. They are available in a range of open heatsinks including the CS, CN, and LK package. And in wavelengths from 780nm – 1064nm.

JOLD-Stacks Series

The JOLD-Stacks Series of high quality high power laser diode bar stacks. They are available with actively (microchannel) cooled or conductively cooled. And in wavelengths from 780nm – 1064nm.

LDX Series

The LDX Series of high power multimode single emitter laser diodes include wavelengths of 400nm – 1900nm. Available in a wide range of output powers and package types.

LTC-OSE Series

The LTC-OSE series from Luxmux, trade named BeST-SLED®, can be configured with up to 6 super luminescent diodes and driver circuitry, into a single 32 pin butterfly package. This reliable, cost-effective, rugged broadband light source produces overlapping spectral coverage from 1230nm to 1730nm, generating up to 19 spectral combinations, and average powers up to 50mW. The LCT-OSE series is suitable for direct integration into existing OEM products for Optical Coherence Tomography, Optical Sensing, White Light Interferometry and others.

QCL Series

mirSense Product Family

The QCL series is a high power pulsed Quantum Cascade Laser based on proprietary technology which incorporates high-powered diodes (typically watt-level) emitting in the main transmission bands of the atmosphere (4.0µm, 4.6µm, 4.8µm, 9.x µm). The ITAR free MirSense technology exhibits outstanding performance in terms of power and wall-plug efficiency. This high-performance QCL laser assembly takes full advantage of MirSense’s state of the art technologies.

R Series

The R series of wavelength stabilized single mode and multimode laser diodes offer narrow wavelength spectrum in wavelengths from 633nm thru 1064nm. Package options range from components as basic as a TO-56 or 14-pin BF packaged diodes, to OEM modules including electronics, to UL/CE and IEC certified turn-key systems.

RBDL Series

R1Z0-BDL-Fiber-Coupled Direct Diode LaserThe RBDL Series is a high power direct diode turn-key system available in wavelengths of 915nm or 976nm. This easy to integrate, OEM laser diode module provides up to 3kW of power and unprecedented brightness.

RPK Series

The RPK Series of multiple single emitter fiber coupled diode lasers are available in wavelengths from 405nm thru 1550nm with up to 300W output powers. These multi-emitter high power and high brightness diode lasers include options for aiming beam, photo detector, TEC, fiber detector, thermistor and a variety of package types.

REP Series

The REP series includes tunable single-frequency (DFB-like) diode lasers and Fabry-Perot laser diodes in wavelengths from 1270nm thru 2350nm for communications, sensing and measurement applications. They are enabling new volume markets through the mass deployment of disruptive technologies.

All single mode diode lasers exhibit superior linewidth properties across the entire wavelength range when compared to typical DFB lasers. Utilizing a proprietary discrete-mode (DM) technology ensures excellent side mode suppression ratio (SMSR), without the mode hops inherent to most distributed feedback (DFB) lasers.

The REP Series is specifically engineered for applications such as gas sensing, LIDAR, metrology, and optical communications. Multiple packaging options are available including the Fiber coupled 14-pin butterfly, TO39 (w/TEC), and TO56.

For a complete module incorporating the fiber coupled butterfly package with an integrated current driver and TEC controller, designed for ease of operation, it is the ideal platform for high stability gas detection or remote sensing.  See the DX1 Series.

RWLD Series

The RWLD series of laser diodes are available in a wide range of wavelengths, power levels, and packages. The RWLD wavelength options span from 405nm to 1650nm, with output powers in the range of 10 mW to 300 mW, packaged in a TO-18 package with photodiode. Custom wavelengths, powers, and packages upon request.

TG Series


The TG Series of gallium nitride (GaN) semiconductor laser diodes emit in the blue spectral range, offering non-standard wavelengths from 420nm up to 460 nm with a typical output power of 50mW and an absolute maximum output power of 100mW. Assembled in a 5.6 mm (TO-56) packages the TG series is a suitable for a wide range of OEM applications that require blue/violet light.

RWLS Series

RGB White Laser Diode RWLS RWLX

The RWLS series of RGB White Laser Diodes are available in a wide range of  power levels, with three base wavelengths: 635 nm (Red), 520nm (Green), and 445nm (Blue). Typically packaged in an HHL, pigtailed configuration, there are also plenty of customization options including wavelength, power and packaging.

VD Series

VD-0940I-004W-1C-2A0: 940nm VCSEL Diode

The VD Series of Vertical Cavity, Surface Emitting Laser (VCSEL) emitters, and arrays are available in a wide range of output powers in wavelengths of 850nm and 940nm.  Standard options include VCSEL, VCSEL w/ Diffusor, VCSEL & PD w/ Diffusor, and pulsed VCSELs.  These low-cost lasers are ideal for a wide range of consumer products.

Component FAQs
Can I operate multiple laser diodes from the same power supply?

The same power supply can drive multiple laser diodes if they are connected in series, but they must never be connected in parallel. When two diodes are connected in series, they will function properly as long as the compliance voltage is large enough to cover the voltage drop across each diode. For example, suppose you are trying to power two diode lasers, each with an operating voltage of 1.9 V, and connect the two in series. In that case, the pulsed or CW laser driver must have a total voltage capacity greater than 3.8 V. This configuration works because diodes share the same current when connected in series. In contrast, when two diodes are connected in parallel, the current is no longer shared between the two diodes. Get more details on the topic in this article: “Can I Operate Multiple Laser Diodes From the Same Power Supply?” Get more information from our Lasers 101, Blogs, Whitepapers, FAQs, and Press Release pages in our Knowledge Center!

Can laser diodes emit green, blue, or UV light?

The output wavelength of a semiconductor laser is based on the difference in energy between the valance and conduction bands of the material (bandgap energy). Since the energy of a photon is inversely proportional to its wavelength, this means that a larger bandgap energy will result in a shorter emission wavelength. Due to the relatively wide bandgap energy of 3.4 eV, gallium nitride (GaN) is ideal for the production of semiconductor optoelectronic devices, producing blue wavelength light without the need for nonlinear crystal harmonic generation. Since the mid-’90s, GaN substrates have been the common material utilized for blue LEDs. In recent years, GaN based laser technology has provided blue, green and UV laser diodes, now available in wavelengths from 375 nm to 521 nm, with output powers exceeding 100 watts. Read our article, titled “Gallium Nitride (GaN) Laser Diodes: Green, Blue, and UV Wavelengths” to learn more about GaN Based Laser Diodes, available through RPMC. Get more information from our Lasers 101, Blogs, Whitepapers, and FAQs pages in our Knowledge Center!

How long will a laser diode last?

Honestly, it depends on several factors, and there is no simple chart to cover everything. Typical diode lifetimes are in the range of 25,000 to 50,000 hours. Though, there are lifetime ratings outside this range, depending on the configuration. Furthermore, there are a wide range of degradation sources that contribute to a shorter lifespan of laser diodes. These degradation sources include dislocations that affect the inner region, metal diffusion and alloy reactions that affect the electrode, solder instability (reaction and migration) that affect the bonding parts, separation of metals in the heatsink bond, and defects in buried heterostructure devices. Read more about diode lifetime and contributing factors in this article: “Understanding Laser Diode Lifetime.” Get more information from our Lasers 101, Blogs, Whitepapers, FAQs, and Press Release pages in our Knowledge Center!

What factors affect the lifetime of laser diodes?

There are a great many factors that can increase or decrease the lifetime of a laser diode. One of the main considerations is thermal management. Mounting or heatsinking of the package is of tremendous importance because operating temperature strongly influences lifetime and performance. Other factors to consider include electrostatic discharge (ESD), voltage and current spikes, back reflections, flammable materials, noxious substances, outgassing materials (even thermal compounds), electrical connections, soldering method and fumes, and environmental considerations including ambient temperature, and contamination from humidity and dust. Read more about these critical considerations and contributing factors in this article: “How to Improve Laser Diode Lifetime: Advice and Precautions on Mounting.” Get more information from our Lasers 101, Blogs, Whitepapers, FAQs, and Press Release pages in our Knowledge Center!

What is a laser diode?

A Laser Diode or semiconductor laser is the simplest form of Solid-State Laser. Laser diodes are commonly referred to as edge emitting laser diodes because the laser light is emitted from the edge of the substrate. The light emitting region of the laser diode is commonly called the emitter. The emitter size and the number of emitters determine output power and beam quality of a laser diode. Electrically speaking, a laser diode is a PIN diode. The intrinsic (I) region is the active region of the laser diode. The N and P regions provide the active region with the carriers (electrons and holes). Initially, research on laser diodes was carried out using P-N diodes. However, all modern laser diodes utilize the double-hetero-structure implementation. This design confines the carriers and photons, allowing a maximization of recombination and light generation. If you want to start reading more about laser diodes, try this whitepaper “How to Improve Laser Diode Lifetime.” If you want to read more about the Laser Diode Types we offer, check out the Overview of Laser Diodes section on our Lasers 101 Page!