COHERENT FAP800-25W-807 Fiber Diode Laser Heatsink 2X L212

( Brand: Coherent ), ( Manufacturer Part Number: FAP800-25W-807 ), ( Model: COHERENT FAP800-25W-807 ), ( Part Type: Laser ), ( Country Of Origin: United States )

Review COHERENT 2x Fiber coupled Diode Laser Heatsink #l212

The **Coherent FAP-800-25W-807 (2x Fiber-Coupled Diode Laser with L212 Heatsink)** is a high-performance, industrial-grade laser system engineered for precision applications requiring exceptional power, stability, and reliability. Designed for demanding environments, this laser module delivers a robust **25-watt continuous-wave (CW) output** at a wavelength of **807 nm**, making it ideal for materials processing, medical devices, and advanced manufacturing processes where high-energy laser interaction is essential. The dual-fiber-coupled configuration ensures efficient beam delivery with minimal loss, with each output fiber capable of handling the full power output while maintaining a consistent beam profile. This design eliminates the need for complex beam shaping optics, simplifying integration into automated systems.

At the heart of this laser is Coherent s proprietary **L212 heatsink**, a high-efficiency thermal management solution that ensures optimal performance under sustained high-power operation. The heatsink s robust construction, combined with advanced thermal dissipation technology, prevents overheating and extends the lifespan of the laser diode, even in continuous operation. This feature is particularly critical for applications requiring prolonged exposure, such as laser welding, cutting, or annealing, where thermal stability directly impacts precision and consistency. The heatsink s compact yet durable design also allows for seamless integration into existing or custom-built laser systems without compromising spatial efficiency.

The **FAP-800-25W-807** is built with industrial-grade durability, featuring a ruggedized enclosure that protects against environmental contaminants, vibration, and temperature fluctuations. This makes it suitable for both controlled laboratory settings and harsh factory environments. The laser module is fully modular, allowing for easy maintenance and replacement of components, reducing downtime and operational costs. Additionally, its fiber-coupled output provides flexibility in beam delivery, enabling precise targeting and alignment without the need for realigning mirrors or lenses a significant advantage in automated or robotic applications.

For applications requiring high-speed processing or multi-point laser interaction, the dual-fiber output further enhances versatility. Whether used in **laser marking, additive manufacturing, or medical instrumentation**, this laser delivers the power and precision needed to achieve superior results. Coherent s reputation for innovation and reliability ensures that the FAP-800-25W-807 meets stringent industry standards, offering a balance of performance, efficiency, and long-term dependability. Ideal for engineers, researchers, and manufacturers seeking a high-performance laser solution, this module represents a cutting-edge investment in precision laser technology.

The **Coherent FAP800-25W-807** is a high-power, fiber-coupled diode laser module designed for industrial, medical, or scientific applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **High Power Output (25W)**

The module delivers a consistent 25W of optical power at 807 nm, making it suitable for demanding applications such as laser marking, welding, or medical procedures requiring precise energy delivery. This power level is significantly higher than many consumer-grade or low-power industrial lasers, allowing for faster processing and deeper material interaction.

2. **Fiber-Coupled Design**

The fiber coupling (likely through a single-mode or multimode fiber, depending on the specific configuration) enables flexible beam delivery without optical alignment issues. This is particularly advantageous in automated or remote applications where beam steering or long-distance transmission is required. The fiber also protects the laser head from environmental contaminants.

3. **Compact and Reliable Heatsink (L212)**

The L212 heatsink is designed for efficient thermal management, which is critical for maintaining performance and longevity in high-power diode lasers. Proper cooling ensures stable output power and minimizes the risk of thermal roll-off or damage. The heatsink s design likely includes features like forced air cooling or liquid cooling compatibility, depending on the application s thermal demands.

4. **Wavelength (807 nm)**

The 807 nm wavelength is well-suited for applications involving absorption in biological tissues (e.g., medical treatments like photocoagulation or dermatology) and certain metals or plastics. It also has good coupling efficiency with fiber optics, reducing losses during transmission.

5. **Modular and Scalable**

Coherent s laser modules are often designed for integration into larger systems. The FAP800 series is likely compatible with Coherent s broader range of controllers, power supplies, and beam shaping optics, allowing for customization based on specific needs. This modularity can reduce long-term maintenance costs and improve system flexibility.

6. **Durability and Longevity**

High-quality industrial lasers like this one are built for reliability, with robust construction to withstand harsh environments. Coherent is a reputable manufacturer with a track record of producing lasers with extended lifespans, especially when operated within specified parameters (e.g., proper cooling, power cycling, and maintenance).

7. **Precision and Stability**

The module likely includes feedback mechanisms (e.g., temperature and current stabilization) to maintain consistent output power and wavelength. This stability is essential for applications requiring repeatability, such as laser cutting or medical treatments where variability could compromise results.

8. **Compatibility with Coherent s Software and Controls**

Coherent offers software tools for monitoring and controlling laser parameters, which can simplify setup, troubleshooting, and optimization. This is particularly useful for users who need to fine-tune the laser for specific tasks without extensive manual adjustments.

---

### **Cons**

1. **High Initial Cost**

The FAP800-25W-807 is a high-end, industrial-grade laser, and its price reflects this. The upfront cost may be prohibitive for small businesses, hobbyists, or applications where lower power levels (e.g., 10W 15W) would suffice. The total cost of ownership also includes additional expenses for cooling systems, fiber optics, and safety equipment.

2. **Complexity and Maintenance Requirements**

High-power lasers require careful handling to avoid damage. Users must adhere to strict operational guidelines, including proper cooling, ventilation, and electrical safety. Maintenance may involve periodic cleaning of the heatsink, fiber alignment checks, and potential recalibration of power output. Lack of expertise in laser systems could lead to costly mistakes or reduced lifespan.

3. **Safety Hazards**

A 25W laser at 807 nm poses significant eye and skin hazards. Even though the wavelength is not as hazardous as UV or visible lasers, prolonged exposure can cause thermal damage. Users must invest in proper safety gear (e.g., laser safety goggles, enclosures, and interlocks) and comply with local regulations like ANSI Z136.1 or IEC 60825-1. Failure to do so can result in accidents or regulatory penalties.

4. **Thermal Management Challenges**

While the L212 heatsink is designed for efficiency, improper cooling can lead to thermal throttling, where the laser reduces power output to prevent damage. In extreme cases, inadequate cooling may cause permanent failure. Users must ensure the cooling system (e.g., fans, water cooling) is appropriately sized and maintained, which adds complexity and cost.

5. **Limited Wavelength Flexibility**

The fixed 807 nm wavelength may not be ideal for all applications. Some materials or processes require different wavelengths (e.g., 940 nm for better absorption in certain metals or 1064 nm for deeper penetration). While this laser is versatile for its target applications, users may need to explore additional lasers or accessories for broader use cases.

6. **Fiber Coupling Limitations**

The fiber coupling, while advantageous for flexibility, can introduce losses (e.g., bending losses, connector losses) that reduce the effective power delivered to the application. Users must account for these losses in their system design and may need to invest in high-quality fibers and connectors to minimize inefficiencies.

7. **Dependence on Coherent s Ecosystem**

If you re not already invested in Coherent s products, integrating this laser may require purchasing additional components (e.g., controllers, beam expanders) from the same manufacturer. This can limit flexibility if you prefer to mix and match parts from other suppliers. However, Coherent s ecosystem is well-supported, so this may not be a significant drawback for serious users.

8. **Potential for Overkill**

For applications requiring less than 25W (e.g., low-speed marking, small-scale welding), a lower-power laser (e.g., 10W 15W) would be more cost-effective and sufficient. Purchasing a 25W laser for a less demanding task may result in unnecessary expenses without proportional benefits.

---

### **Conclusion**

The **Coherent FAP800-25W-807** is a powerful, reliable, and versatile laser module well-suited for industrial, medical, or scientific applications requiring high optical power and fiber-coupled delivery. Its strengths lie in its stability, thermal management, and compatibility with Coherent s broader product line, making it a robust choice for users with demanding requirements. However, its high cost, complexity, and safety considerations necessitate careful planning and investment in supporting infrastructure.

This laser is **not** ideal for hobbyists, small-scale applications, or users without experience in handling high-power lasers. It is best suited for professionals in fields such as:

- Industrial laser marking, welding, or cutting (with appropriate materials).

- Medical treatments (e.g., dermatology, ophthalmology) where 807 nm is beneficial.

- Research or development environments requiring precise, high-power laser sources.

For users who need a lower-power or more flexible solution, alternatives like Coherent s lower-wattage modules or other manufacturers lasers (e.g., IPG Photonics, Jenoptik) may be more appropriate.

---

### **Recommendation**

- You require a high-power (25W) fiber-coupled laser for industrial, medical, or scientific applications.

- Your application demands stability, precision, and long-term reliability.

- You are already invested in Coherent s ecosystem or have access to the necessary expertise for installation, maintenance, and safety compliance.

- The 807 nm wavelength aligns with your material or process requirements.

- Your budget is limited, and a lower-power laser (e.g., 10W 15W) would meet your needs.

- You lack experience with high-power lasers or the infrastructure (cooling, safety, maintenance) to support it.

- Your application requires a different wavelength or more flexible beam delivery options.

- You are a hobbyist or small business without professional-grade setup capabilities.

- For lower power needs: Explore Coherent s FAP800 series with lower wattage (e.g., FAP800-10W-807).

- For broader wavelength options: Investigate lasers from IPG Photonics or Jenoptik, which offer competitive alternatives.

- For cost-effective fiber coupling: Verify if a lower-cost fiber (e.g., multimode vs. single-mode) meets your application s requirements.

Ultimately, this laser is a **premium choice** for users with professional-grade needs and resources. For others, a more tailored or lower-power solution may be the wiser investment.

Details:

Please commit to buy only after you decided purchase are ready pay. Item is warranted to be as specified in the above details, and good working order unless stated that its condition unknown. Box or APO/FPO address.

2x Coherent FAP800-25W-807 Fiber-Coupled Diode Laser w/ Heatsink Include: Actual Pictures. No software are included with any systems. 2x Coherent FAP800-25W-807 Fiber-Coupled Diode Laser w/ Heatsink Lot of 02. Warranty, if any, pertains to the physical operating condition of unit only.

Not include: No accessories.

part #: fap80025w807 price

• $450.00

specifications industrlasemr:

• brand: Coherent
• mpn: Fap800-25w-807
• model: Coherent Fap800-25w-807
• part type: Laser
• country of origin: United States

general industrlasemr:

• condition: Used
• Medical/Lab Equipment Attachments Accessories > Lamps, Bulbs Laser Components > Laser Diodes

offer industrlasemr:

• options: Ship-to-home
• started: March 28, 2026
• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0

shipping industrlasemr:

• type: Fixed
• cost: $75.00
• class: Standard
• transit: 4-9 Days
• service: Standard

payments industrlasemr:

• wallet: Apple-pay
• credit card: Discover
• other

returns industrlasemr:

• policy: Returns Accepted
• method: Money back
• paid by: Buyer
• time: 14 Days

seller industrlasemr:

• # reviews: 1744
• city: San Jose, California
• rating: 100.0%

Coherent FAP800-25W-807 Is Similar To:

• 0169-628-04a Coherent Innova Ion Laser System Emission Controller Module (36.1% similar) Coherent 170C ion laser system w emission controller module this is untested. Only pictured items are included - cables and other accessories not unless explicitly stated shown in pictures...(April 19th, 2018)
• 0174-525-53 Verdi-5w Oem Coherent Verdi Laser Supply (33.9% similar) Manufacturer: Coherent condition: for parts or not working. Please for details. It powers on and goes through a continuous loop of the displays shown in photo 5: splash screen, errors, self test failures, then power resets shows again. Comes in non-original packaging. On the ask a question link at ...(July 5th, 2018)
• 0215-624-00 Coherent Used Laserpure 40n Laser (32.5% similar) Condition: new, in box no old , but good working condition. Removed from closed plant. Qty lbs w 42X48X36 pallet DH used, but in good working condition. Some exceptions may apply. Return PRODUCT3. Used Coherent laser pure 40 laser cooling water heat exchange model no: 40NPART VAC50 60 hesitate amps...(January 3rd, 2017)
• 0301-120-0 Coherent Laserpure 20 Laser (38.2% similar) Location - main racks please see actual pictures of this item. Condition: used, in working order. Coherent laser pure 20 heat exchange cooling system this is large and heavy item...(August 24th, 2017)
• 0302-056-00 Coherent Laserpure-40-laser-cooling-heat-exchanger 230v L (31.2% similar) You can opt out of this by messaging us asking. Unless explicitly noted...(January 16th, 2018)
• 0606-198-01 0602-805-02 Coherent Flexible Fiber (28.6% similar) Some items may fall outside of that realm. I reserve the right to change shipping carrier based on destination and or rates...(June 2nd, 2017)
• 0625-508-01 Lumenis Coherent Laser Fiber (30.4% similar) 0MM narrow key slot: 7MM give or take a millimeter should be comparable for most lumen is fiber optic cables. 1 new in the package fiber optic mating sleeve bulkhead adapter measurement of inner wide key slot...(December 5th, 2017)
• 0630-228-00 Coherent Laser Applications Watt Sealed Model (34.1% similar) Coherent laser applications ltd. CO2 sealed laser model 00SERIAL no...(July 12th, 2018)
• 0631-808-01 Coherent Laser Head Boards (34.5% similar) 2 untested boards both are marked Coherent medical laser head PCB assay one has stickers gold board U14 and U15 chips the other is a ribbon cable plug. Both were in unmarked anti static bags...(December 14th, 2017)
• 1008053 Coherent Radius 635 Laser (34.3% similar) The RADIUS635 delivers specifications equal to, or better than, a Heine laser in smaller package, and at an attractive price. Patented micro-lens technology and spherical optics circularize the output of diode laser to better than 80 with a typical m Coherent radius 635 laser, pn AK, 638NM 25M the ...(February 5th, 2018)
• 1030759 Coherent Cube 640nm Diode (32.4% similar) Please before buying if you require a shipping method that is not listed. These make a great, low-power replacement for Heine laser in many applications. The diode has just under 5000 hours. Coherent cube 640NM diode laser 639NM 40MW tested working an all-in-one system with a compact 40MM by 100 ...(January 25th, 2018)