Many manufacturers offer two different fiber coupled package types. For lack of industry accepted specific terms, we will refer to one as a “basic” fiber coupled module and the second as an “advanced” fiber coupled module. The basic fiber coupled module is typically a multi-single emitter device (see section above) with a fixed fiber on the package and no connector. It’s intended more for volume OEM customers that will integrate the laser into their system:

In general, single emitter laser diodes offer up to roughly 12 watts of optical output power. To get higher power levels, two packaging approaches are used to combine multiple single emitter beams into one single high power output beam. These two approaches are bars and multi-single chip emitter modules. The terms “bar” and “array” are typically interchangeable. Both of these technology and packaging approaches have their advantages and disadvantages. But over the past few years, multi-single chip emitter modules have become increasingly more common due to the lower manufacturing costs and a perception that they may offer better long term reliability.

Because there is not much price information for high power laser diodes available online, it can be quite difficult to get a budgetary idea of how much a particular type of device might cost. In order to help, we put together a short list to help you at least figure out how much a “class” of laser diode might cost. This list is a rough guide of pricing by package style and output power for 808, 915, 940, 980nm devices. Please note that as the output power gets higher, the price delta from manufacturer to manufacturer tends to increase greatly. It’s common to get price differences of well over 50% depending on the manufacturer.

10 Watt “Advanced” Fiber Coupled Module: - $1,500 to $2,000 - 808, 915, 940, 980nm / detachable fiber - integrated cooler, pilot laser, & monitor PD

Building upon the outstanding protection attributes of the Evoke 2400B, the FL-35E boasts an IP55 rating, ensuring strong dust and water resistance. This feature makes the Evoke 2400B and FL-35E combination suitable for use in harsh environments, providing consistent and stable lighting for exterior shoots lasting all day or in environmentally challenging production scenes. The introduction of the FL-35E Motorized Fresnel Lens will provide more flexibility and convenience for professional productions. Whether in film, television or commercial shooting, the FL-35E provides accurate, high-quality light control to help production teams achieve superior results.

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The FL-35E can be controlled either by the button on the lens itself, or by the lamp head, NANLINK APP, wired controller or DMX console. These flexible control method options give gaffers and lighting technicians the flexibility to choose the most convenient control method based on requirements.

5 Watt Fiber-Coupled Laser Diodes » 10 Watt Fiber-Coupled Laser Diodes » 50 Watt Fiber-Coupled Laser Diodes» 80 Watt CCP/CS Bar Mounted Array » 100 Watt Fiber-Coupled Laser Diodes » 200 Watt Fiber-Coupled Laser Diodes » SHOP TURN-KEY HIGH POWER LASER DIODE SYSTEMS FOR R&D »

10 Watt "Basic" Fiber Coupled Module: - $350 to $600 - 808, 915, 940, 980nm / fixed fiber, no connector - no cooler, no pilot laser or PD

Aerodiode BWT Coherent DILAS (part of Coherent) Focuslight Jenoptik Intense Photonics Leonardo (formerly Lasertel) Lumentum (fomerly JDSU) Lumics nLight Northrop Grumman CEO PhotonTEC Berlin QPC Lasers Quantel RealLight Seminex Xinghan Laser

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5 Watt “Advanced” Fiber Coupled Module: - $1,000 to $1,500 - 808, 915, 940, 980nm / detachable fiber - integrated cooler, pilot laser, & monitor PD

High power laser diodes (>10 Watts) are available at wavelengths from the near infrared through roughly the 2000nm region. The most common devices are in the range of 808nm through 980nm. Common uses of high power laser diodes include the pumping of the gain medium in solid state lasers, fiber laser pumping and seeding, materials processing, medical and security sensing applications. They offer good electrical to optical efficiency of approximately 50%. Packaging styles vary widely from fiber coupled modules to copper bar mounts. This short article is intended to help researchers and engineers who are new to high power laser diodes understand some of the basic terminology as well as the most common packaging types and technologies. There is a list which gives some general pricing information so that you have an understanding of what a particular type of laser might cost as well as a list of all of the high power laser manufacturers.

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The first approach mentioned above is to mount multiple single emitter semiconductor laser diode chips onto a bar in parallel with one another. These are most commonly referred to as “bars” or “arrays”. The term “stack” usually refers to multiple bars physically and electrically stacked vertically or horizontally together to reach much higher power levels than a single bar can achieve. The laser diode chips mounted onto the bar are electrically biased in parallel with one another. For example, an 80 watt output 985 nm bar might have 19 single emitters mounted next to each other. This device will require roughly 90 amps (~ 4.8 amps each) of current and 2 volts of compliance voltage. The 90 amps of current is split equally to provide each of the laser diodes sufficient operating current. Two volts is required to bias the entire bar. The beams can then be combined using a collimating lens assembly as well as other methods. The bar device can then be packaged into a fiber coupled module, or is offered "as is" as a copper mount assembly.

200 Watt "Basic" Fiber Coupled Module: - $2,500 to $3,500 - 808, 915, 940, 980nm / fixed fiber, no connector - no cooler, no pilot laser or PD

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5 Watt "Basic" Fiber Coupled Module: - $250 to $500 - 808, 915, 940, 980nm / fixed fiber, no connector - no cooler, no pilot laser or PD

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The modulation transfer function (MTF) is a graphical description of the spatial resolution characteristics of an imaging system or its individual components.

200 Watt “Advanced” Fiber Coupled Module: - $10,000 to $15,000 - 808, 915, 940, 980nm / detachable fiber - integrated cooler, pilot laser, & monitor PD

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For an in depth article on the technology and physics’ principles underlying laser diodes, please refer to the article “A Technical Introduction to Laser Diodes”. In summary, a laser diode is a semiconductor device made of two different materials. One is a P material and the other an N material. Common laser diode materials include indium, gallium, arsenide and phosphide. The P and N materials are sandwiched together and when a forward electrical bias is applied across the P-N junction, this electrical bias causes the respective holes and electrons from opposite sides of the P-N junction to combine. This combination releases a photon in the process of each combination. The P-N junction surface area has a finish similar to a mirror. This is referred to as a cavity. As the photons are released, they propagate along the cavity and out through a facet or facets. For the purposes of this article, we have chosen > 10 watts of output power as the definition of “high power”. But the term high power is of course subjective and is relative to the common output power available at a given wavelength or device type.

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The Motorized Fresnel Lens FL-35E is a cutting-edge NL mount optic with remote control and a zoom range from 15° to 46°. It seamlessly integrates with the Evoke 2400B, delivering a remarkable illumination of 75700lux@3m, 5600K, 15°. In addition to superior optical performance and precise beam angle control, the FL-35E features a precise motorized adjustment function powered via the electronic contacts in Nanlux’s NL mount of the Evoke 2400B. The zoom range is controllable through multiple methods, providing a more intelligent and efficient workflow for productions. * In situations that require manual adjustment, users can switch to manual control mode.

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Please note that unlike most low power laser diodes, prices for comparable high power devices will vary a lot (sometimes by a factor of 2 or more) by manufacturer. This is why the range of prices shown below is large.

INTRODUCTION » COMMON WAVELENGTHS USED IN HIGH POWER APPLICATIONS » PACKAGES AND TECHNOLOGIES » HIGH POWER LASER DIODE PRICE GUIDE » LIST OF ALL HIGH POWER LASER DIODE MANUFACTURERS » SHOP TURN-KEY HIGH POWER LASER DIODE SYSTEMS FOR R&D »

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MEDICAL LASERS AND DIRECT DIODE MATERIALS PROCESSING SOURCES: Aesthetic and medical lasers are most often based on either a direct diode device or a DPSS laser device. Some of the common direct diode wavelengths include: 793 nm 795 nm 1064 nm 1470 nm 1940 nm

The second package type is an “advanced” module. The advanced module is in a larger footprint package that includes options such as integrated cooling, a pilot laser and a monitor photodiode as well as other available features. The advanced module can house a fiber coupled bar (see section above) or can be a multi-single chip emitter device. It’s intended more for low volume customers who need the additional module features for their applications:

50 Watt “Advanced” Fiber Coupled Module: - $2,000 to $3,000 - 808, 915, 940, 980nm / detachable fiber - integrated cooler, pilot laser, & monitor PD

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(DPSS) SOLID STATE LASER PUMPS: A diode pumped solid state laser, DPSS laser, uses a high power laser diode to optically pump a laser gain medium. The gain medium is typically a crystal. The crystal is synthetically produced because of the required purity of the material and doping requirements. Common crystals include ND:YAG (and TI:Sapphire being most common ones. 808 nm 878.6 nm 940 nm 969 nm

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Common uses of high power laser diodes include the pumping of the gain medium in solid state lasers, fiber laser pumping and seeding, materials processing, medical and security sensing applications. Here is a guide to the wavelengths that are most commonly used in each of these applications:

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The second approach is to connect multiple single emitter high power laser diode chips electrically in series with one another and mount them into a fiber coupled module. There are multiple lenses in the package to combine the beams which are ultimately coupled into the output fiber. These are often referred to as “multi-single emitters”. For multi-single emitters, the laser diode chips are connected electrically in series inside the module. In this case, the bias current can be essentially the same as for a single emitter, but the voltage needs to be high enough to bias the entire series connected chain of lasers. It’s common for multi-single emitters to require roughly 15 amps and up to 30+ volts. Assuming each single emitter requires 2 volts, this means that there are roughly 15 single emitter laser diode chips inside the package. Multi-single emitters are almost exclusively offered in fiber coupled packages.

100 Watt “Advanced” Fiber Coupled Module: - $4500 to $6,000 - 808, 915, 940, 980nm / detachable fiber - integrated cooler, pilot laser, & monitor PD

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FIBER LASER PUMPS: Fiber lasers utilize a high power laser in the 910nm to 980nm range to excite ions in rare earth elements such as ytterbium or erbium which have been doped into fiber. The doped fiber then generates photons at longer wavelengths (in the infrared) propagating through the fiber itself. 976 nm 915 nm

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50 Watt "Basic" Fiber Coupled Module: - $1,200 to $1,800 - 808, 915, 940, 980nm / fixed fiber, no connector - no cooler, no pilot laser or PD

100 Watt "Basic" Fiber Coupled Module: - $2,000 to $3,000 - 808, 915, 940, 980nm / fixed fiber, no connector - no cooler, no pilot laser or PD