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Description

Introducing the sophisticated M520±10-15-D400/22-V8-APK, a state-of-the-art laser diode module brought to you by PhotonTec Berlin GmbH located in Germany. This model exemplifies precision engineering and is designed to meet the demanding requirements of various industrial applications.

The M520±10-15-D400/22-V8-APK boasts a robust output power of 15W, ensuring reliable performance and efficiency. Its centroid wavelength ranges from 510nm to 530nm, centered typically at 520nm, providing a broad spectral range suitable for diverse applications. The spectral width of 10.0nm (FWHM) guarantees a focused and consistent beam quality, making it an ideal choice for precision tasks.

Engineered with a fiber receptacle featuring a 400µm core diameter and a numerical aperture of 0.22, this laser diode module ensures optimal light transmission. The SMA905 connector facilitates seamless integration into existing systems, enhancing user convenience. Additionally, the module's electric specifications, including a threshold current of 0.2A and an operating voltage of 64.0V, contribute to its high performance and energy efficiency.

Designed with user safety and environmental considerations in mind, the M520±10-15-D400/22-V8-APK operates efficiently within a temperature range of 20 to 30°C and a humidity level of less than 75%. Its robust construction allows for storage in temperatures ranging from -20 to 80°C, with a humidity tolerance of up to 90%, ensuring durability and reliability even in challenging conditions.

 

Green 520 nm 15 W Fiber Coupled Green Laser Diode

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Specifications

Laser Type: Continuous Wave (CW), Modulated
Fiber Type: Multi-Mode
Wavelength: 520 nm
Output Power: 15000 mW
Fiber Core Diamater: 400 um
Wavelength Tolerance: +/-10nm
Spectral Width (FWHM): 10.0 nm
Numerical Aperture: 0.22
Connector: FSMA905
Threshold Current: 0.2 A
Operating Current: 1.4-1.5 A
Operating Voltage: 64.0 V
Slope Efficiency: 12.7 W/mA
Power Conversion Efficiency: 17 %
Thermistor: 10k@25°C kΩ
Operating (thermistor) Temperature: 20 - 30 °C
Operating Humidity: < 75 %
Storage Temperature: -20 – 80 °C
Storage Humidity: 90 %
Red Aiming Beam: 630-655nm, 2mW

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Features

  • High-Power 520 nm Green Fiber-Coupled Laser Diode Module – Delivers up to 15 W optical output power at the exit fiber, ideal for demanding industrial, medical, and scientific applications requiring high-brightness green light.
  • Narrow Spectral Width for Stable Performance – Typical spectral width of 10 nm (FWHM) centered at 520 nm (510–530 nm range) ensures good spectral purity and stable color output for fluorescence excitation, machine vision, and illumination.
  • 400 μm Core Fiber with 0.22 NA – Integrated 400 μm core, 0.22 NA multimode fiber provides robust beam delivery over distance, enabling easy routing in compact optical systems and harsh industrial environments.
  • Standard SMA905 Fiber Connector – Equipped with a widely used SMA905 fiber receptacle for simple integration and fast interchangeability with standard high-power fiber patch cables and delivery fibers.
  • Efficient Electro-Optical Conversion – With a slope efficiency of about 12.7 W/A and a power conversion efficiency of ≈17%, the module supports energy-efficient operation and reduced thermal load compared to lower efficiency lasers.
  • Low Threshold Current and Controlled Drive – Threshold current of approximately 0.2 A and typical operating current around 1.4–1.5 A at 64 V supports stable, predictable turn-on behavior and compatibility with common laser diode drivers.
  • Integrated Thermistor for Temperature Monitoring – Built-in 10 kΩ @ 25 °C thermistor enables precise temperature sensing and closed-loop thermal management for improved wavelength stability and extended diode lifetime.
  • Monitor Photodiode for Power Feedback – Internal monitor photodiode (100–1000 μA) allows active power stabilization and real-time performance monitoring, enhancing reliability in power-critical applications.
  • Defined Wavelength-Temperature Coefficient – A wavelength-temperature shift of about 0.33 nm/°C allows predictable tuning and compensation, which is essential for temperature-sensitive processes and spectroscopic setups.
  • Industrial Operating Temperature Range – Designed for operation with thermistor temperature in the range of 20–30 °C, supporting stable use in controlled industrial and laboratory environments.
  • Robust Environmental Tolerance – Supports storage temperatures from -20 to 80 °C and storage humidity up to 90%, ensuring durability and reliability during shipping, handling, and long-term storage.
  • Comprehensive Electrical Pinout – Multi-pin interface with clearly defined anode/cathode connections for three laser diodes, monitor photodiode, fiber sensor LED/PD, and thermistor, simplifying system-level design and integration.
  • OEM-Grade Module for System Integration – Offered as an OEM industrial laser specifically intended for integration into larger systems such as laser projectors, materials processing tools, biomedical devices, and inspection systems.
  • Suitable for High-Precision Industrial and Scientific Use – The combination of high power, fiber-coupled delivery, and integrated monitoring makes it well suited for laser pumping, bio-imaging, fluorescence excitation, alignment, machine vision, and illumination tasks.
  • Regulatory Responsibility for Integrators – As an OEM device, it is not IEC or CDRH certified as a stand-alone product; final system manufacturers are responsible for ensuring full IEC and CDRH laser safety compliance of their equipment.

Applications

  • Laser Pump Source for Solid-State and Fiber Lasers
    Ideal as a 520 nm pump laser for frequency-doubled and Raman-shifted solid-state lasers, green fiber lasers, and regenerative amplifiers requiring stable, high-brightness green pump light via 400 µm SMA905 fiber.
  • Excitation Source for Fluorescence and Bioimaging
    Suitable for excitation of common fluorophores and fluorescent proteins in the green region, supporting confocal microscopy, flow cytometry, DNA sequencing instruments, and general fluorescence spectroscopy where 510–530 nm excitation is desired.
  • Raman Spectroscopy and Chemical Sensing
    Can be used as a narrowband green excitation source for Raman spectroscopy and surface-enhanced Raman scattering (SERS) systems, portable analyzers, and inline process monitoring tools in chemical, pharmaceutical, and petrochemical industries.
  • Machine Vision and Industrial Inspection
    Provides bright, fiber-delivered green illumination for high-speed machine vision systems, web inspection, defect detection, position sensing, and contrast enhancement on challenging surfaces in electronics, semiconductor, and packaging lines.
  • Laser Alignment and Positioning Systems
    Integrates into industrial alignment tools and positioning systems where a stable, visible green beam delivered through a 400 µm fiber is required for long-distance, high-visibility guidance or alignment of mechanical assemblies.
  • Projection, Display and Light Engine Applications
    Serves as a green primary source for fiber-coupled projection engines, holographic and augmented reality light engines, and specialized display systems that demand high optical power and stable wavelength around 520 nm.
  • Medical and Dental Equipment Integration
    OEM-ready source for integration into certified medical devices, including phototherapy, ophthalmic illumination, endoscopic lighting, and dental curing/illumination systems where compact, fiber-delivered green light is advantageous. (Final device compliance and certification remain the responsibility of the system integrator.)
  • Life Science Instrumentation
    Supports cytometers, cell sorters, microplate readers, and optical biosensors requiring stable, low-noise green illumination with fiber delivery, enabling compact instrument layouts and remote light source placement.
  • Holography and Interferometry
    Can be employed in green holographic recording setups and interferometric test systems where a powerful, fiber-coupled green source improves fringe visibility and system flexibility.
  • Optical Metrology and Surface Profiling
    Used in triangulation sensors, structured-light scanners, and profilometers to generate high-contrast patterns or spots in the green spectrum for precision dimensional measurements and surface characterization.
  • Scientific Research and Laboratory Light Source
    Versatile 520 nm source for laboratories requiring a stable, fiber-coupled laser for spectroscopy, non-linear optics experiments, pump–probe setups, and general optical research where moderate power and narrow spectral width are beneficial.
  • Industrial Marking and Micro-Processing (Green-Sensitive Materials)
    Applicable as a green source in systems for marking, trimming, or local heating of materials with strong absorption in the 510–530 nm band, as a pump or auxiliary beam in more complex micro-processing platforms.
  • Optogenetics and Neuroscience Tools
    Can be integrated into OEM optogenetic stimulation systems, delivering green light via fiber for activation or inhibition of light-sensitive proteins, provided that the overall system meets biomedical safety standards defined by the integrator.
  • Spectrophotometry and Colorimetry
    Provides a stable green reference or illumination channel in multi-wavelength spectrophotometers, color measurement systems, and reflectance/transmittance analyzers for quality control in printing, textiles, paints, and coatings.
  • Environmental and Process Monitoring
    Used as the excitation source in fiber-based sensors for water quality, gas detection, and environmental monitoring, as well as inline process control systems in food, beverage, and chemical production lines.
  • OEM Integration into Compact Fiber-Coupled Laser Modules
    Designed for system builders who require a robust, SMA905 fiber-coupled 520 nm laser block with integrated thermistor and monitor photodiode, enabling closed-loop power control and temperature stabilization in turnkey laser subsystems.

Frequently Asked Questions

What is the M520±10-15-D400/22-V8-APK green fiber-coupled laser module and what are its key specifications?
The M520±10-15-D400/22-V8-APK from PhotonTec Berlin is a 520 nm class, high‑power, fiber‑coupled green laser diode module designed for OEM and industrial integration. It delivers a typical optical output power of 15 W at the exit fiber with a centroid wavelength of 520 nm (range 510–530 nm) and a spectral width of 10 nm FWHM. The laser output is delivered through a 400 µm core fiber with 0.22 numerical aperture (NA) and an SMA905 connector. Typical electrical parameters include a threshold current of 0.2 A, operating current around 1.4–1.5 A, operating voltage of approximately 64 V, a slope efficiency of about 12.7 mW/mA, and a power conversion efficiency of about 17%. The module integrates a 10 kΩ thermistor (at 25 °C) and a monitor photodiode with 100–1000 µA output for power monitoring.
What are the recommended operating conditions and thermal management requirements for this 520 nm 15 W fiber-coupled laser?
For stable and reliable operation the M520±10-15-D400/22-V8-APK should be used within the specified thermistor temperature range of 20–30 °C and operating humidity below 75%. The internal thermistor (10 kΩ at 25 °C) is intended for temperature monitoring and closed-loop control via an external temperature controller (TEC driver). Storage temperature should be kept between −20 and 80 °C with storage humidity up to 90%. Like similar high‑power green diode modules from other manufacturers, adequate heatsinking of the module base and active temperature control (e.g., Peltier cooler with PID controller) are required to maintain wavelength stability (with a typical wavelength shift of 0.33 nm/°C) and to prevent thermal damage or accelerated aging of the laser diodes.
How do I connect and drive the M520±10-15-D400/22-V8-APK safely (pinout and driver requirements)?
This module is an OEM industrial laser and must be driven by a suitable low‑noise, constant‑current laser diode driver with compliance voltage of at least 64 V and current capability up to about 1.5 A. The device features multiple laser diode channels (LD1–LD3) as well as monitoring and sensor pins. The pin assignments are: 1: LD1 Anode 2: LD1 Cathode 3: LD2 Anode 4: LD2 Cathode 5: LD3 Anode 6: LD3 Cathode 7: Red 5 VDC (auxiliary LED supply) 8: Red GND 9: Fiber Sensor LED Cathode 10: Fiber Sensor LED Anode 11: Fiber Sensor PD Cathode 12: Fiber Sensor PD Anode 13: Monitor PD Anode 14: Monitor PD Cathode 15: Thermistor 16: Thermistor The laser must be connected with correct polarity and appropriate ESD and transient protection, using slow current ramp‑up and interlocks as typically recommended for comparable high‑power diode laser modules. Always follow PhotonTec Berlin’s integration guidelines and use a dedicated laser driver rather than generic power supplies.
What fiber output configuration does this 15 W green laser use and how do I integrate the SMA905 fiber with my optics?
The M520±10-15-D400/22-V8-APK delivers its optical output through a multimode fiber with a 400 µm core diameter and 0.22 NA terminated in a standard SMA905 fiber connector. This configuration is common among industrial high‑power diode lasers and is compatible with many off‑the‑shelf collimators and beam delivery optics designed for 400 µm, 0.22 NA SMA fibers. To integrate the laser into your system, mount the SMA905 connector into a suitable fiber collimation or focusing assembly, ensuring proper alignment and secure mechanical fixation. When comparing to similar products on the market, users typically employ adjustable SMA collimators, high‑power AR‑coated lenses rated for visible wavelengths around 520 nm, and protective windows or beam shaping optics as needed for applications such as illumination, pumping, or materials processing.
What monitoring features are available (thermistor, monitor photodiode, fiber sensor) and how are they used?
The module integrates several diagnostic and feedback components, similar to many high‑power OEM diode modules: • Thermistor (pins 15–16): 10 kΩ at 25 °C NTC thermistor used to measure the laser module temperature and provide feedback to an external temperature controller. This allows maintaining the specified 20–30 °C operating range and compensating wavelength shifts (~0.33 nm/°C). • Monitor photodiode (pins 13–14): Provides a current signal (typically 100–1000 µA) proportional to the optical output power. This can be used in a feedback loop for power stabilization or for real‑time power monitoring. • Fiber sensor LED and PD (pins 9–12): These pins are typically used for a fiber presence or coupling sensor (LED and photodiode pair) to detect whether the fiber is properly connected or if there is a disruption in the delivery path. Integrators usually connect these to a small signal conditioning circuit or controller input to implement interlocks or safety shutdowns if fiber coupling is compromised.
Is the M520±10-15-D400/22-V8-APK laser module eye-safe or compliant with IEC/EN 60825‑1 and FDA CDRH laser safety standards?
This product is explicitly specified as an industrial OEM version of a laser diode module and does not itself comply with IEC or CDRH (FDA) end‑product laser safety requirements. PhotonTec Berlin states that it is intended solely for integration into other equipment. As with comparable 10–20 W visible diode lasers on the market, the emission levels are far above eye‑safe limits and require Class 3B or Class 4 type safety measures. It is the responsibility of the system integrator (customer) to design appropriate housing, interlocks, labeling, key switches, and safety electronics and to obtain the necessary IEC/EN 60825‑1 and, where applicable, FDA CDRH certifications for the final system that incorporates this laser. Always use appropriate laser safety eyewear rated for 520 nm and follow local regulations during development, testing, and operation.
What are typical applications for a 15 W, 520 nm fiber-coupled laser like this, and how does it compare to similar products?
A 15 W green (around 520 nm) fiber‑coupled diode module with 400 µm core and 0.22 NA is suitable for a wide range of OEM and industrial uses. Typical applications, as seen for similar modules from global manufacturers, include: pumping of frequency‑doubled or tunable lasers; materials processing and micro‑machining of plastics, thin films, and reflective metals where green light has higher absorption; machine vision and high‑intensity illumination; fluorescence excitation and bioimaging setups requiring high power; and projection, laser shows, or display systems (when integrated into properly certified equipment). Compared to competing products, the M520±10-15-D400/22-V8-APK offers a standard SMA905 fiber interface, integrated monitoring (thermistor, monitor PD, fiber sensor), a moderate spectral width of 10 nm FWHM, and electrical efficiency on the order of 17%, which is typical for high‑power visible diode modules in this wavelength range.

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