JOLD-45-CPXF-1L 976: Fiber Coupled Laser Diode

• High-Power Fiber-Coupled Output – 45 W cw
  Delivers up to 45 W continuous-wave optical power, ideal for demanding industrial, medical, and scientific applications requiring high brightness and stable output.
• Optimized Fiber Delivery – 400 µm Core, NA 0.22
  Equipped with a 400 µm core diameter fiber (NA 0.22) for efficient beam delivery, easy coupling into optics, and excellent compatibility with standard photonic setups and processing heads.
• Multiple Center Wavelength Options
  Available at 808, 880, 915, 938, and 976 nm to optimally match the absorption bands of common solid-state and fiber laser gain media, as well as specific material processing and medical treatment windows.
• Narrow Spectral Bandwidth for Efficient Pumping
  Typical spectral bandwidth of 3 nm FWHM (max. 4 nm) ensures efficient coupling to absorption lines, higher pump efficiency, and reduced thermal load in pumped laser media.
• Integrated TECs for Precise Thermal Management
  Features integrated thermo-electric coolers (TECs), connected in series, providing up to 346 W cooling power for stable operation, reliable wavelength control, and long-term performance.
• Passively Cooled Module Design
  Designed for passive mounting on a cooled surface using thermally conductive foil (25–100 µm), simplifying integration into existing cooling infrastructures and improving mechanical stability.
• Stable Operation Temperature Range
  Diode laser operating temperature of 15–30 °C, measured via integrated temperature sensor, supports stable optical output and wavelength locking in demanding environments.
• Long Lifetime and High Reliability
  Engineered for a typical lifetime of > 20,000 h at constant current, suitable for 24/7 operation in industrial and medical systems with minimal downtime and service requirements.
• Integrated Power Monitor Photodiode
  Includes an Infineon SFH 229 power monitor for real-time output monitoring and power stabilization, facilitating closed-loop control and system-level safety interlocks.
• High Electrical-to-Optical Efficiency
  Typical slope efficiency up to 0.95 W/A (minimum 0.70–0.80 W/A depending on wavelength) reduces energy consumption and thermal load, enabling more compact and cost-effective cooling solutions.
• Robust Electrical and Mechanical Interfaces
  Uses standard M5 / M4 connectors for anode and cathode, supporting secure, low-resistance electrical connections and straightforward integration into industrial driver assemblies.
• Industrial-Grade Fiber Connector
  Supplied with F-SMA 905 fiber connector and free-standing fiber inside the connector for robust, serviceable, and repeatable coupling into external optics or process delivery fibers.
• Reliable Threshold and Operating Current Characteristics
  Typical operating currents around 59–64 A with low threshold currents (6–10 A typical) provide predictable performance, simplifying driver design and current control strategies.
• Low Operating Voltage
  Maximum operating voltage of only 2 V minimizes power dissipation in the diode, improves overall system efficiency, and reduces the requirements on the power supply.
• Integrated Temperature Sensing
  Built-in PT100 and PT1000 temperature sensors allow accurate temperature monitoring of the diode for active thermal control, performance optimization, and protective shutdown strategies.
• Continuous-Wave Operation with Modulation Capability
  Supports cw operation with power modulation between threshold and maximum current, enabling power tuning and process control for applications such as welding, soldering, and medical treatments.
• Designed for Non-Condensing Industrial Environments
  Optimized for non-condensing atmospheres, ensuring stable performance and protecting sensitive optical and electrical components in production and lab environments.
• Ideal for Pumping Solid-State and Fiber Lasers
  Tailored for laser pumping, providing high-brightness, wavelength-matched output for Nd:YAG, Yb-doped, and other solid-state and fiber gain materials in industrial and scientific laser systems.

Typical Applications of the JOLD‑45‑CPXF‑1L Fiber‑Coupled Diode Laser (45 W cw)

• Solid‑State Laser Pumping
  Efficient pumping source for Nd:YAG, Nd:YVO4, Nd:YLF and other solid‑state gain media in cw and quasi‑cw operation. The 400 µm / NA 0.22 fiber delivery enables straightforward coupling into rod, slab and disk laser heads for industrial and scientific high‑power laser systems.
• Fiber Laser Pumping
  High‑brightness pump module for Yb‑, Er‑, and Er/Yb‑doped fiber lasers and amplifiers in the 9xx nm band (e.g., 915, 938, 976 nm). Commonly used in:
  • High‑power cw fiber lasers for cutting and welding
  • Ultrafast fiber laser oscillators and amplifiers
  • Telecom and CATV erbium‑doped fiber amplifier (EDFA) pump stages
• Materials Processing and Precision Manufacturing
  Direct diode processing head for metals, plastics and composites. Typical uses include:
  • Plastic and polymer welding (e.g., 808/880 nm transmission and contour welding)
  • Selective soldering and brazing of electronic and metal components
  • Surface hardening, tempering and annealing of steels and alloys
  • Cladding and re‑melting for wear and corrosion protection
  • Micro‑machining and heat‑assisted forming of thin foils and films
• Medical and Aesthetic Laser Systems
  Integrated pump or treatment source in medical platforms where compact, reliable 8xx–9xx nm radiation is needed. Typical application fields:
  • Pumping of medical Nd:YAG / Nd:YVO4 lasers for surgery and dermatology
  • Endovenous and surgical fiber‑delivered procedures
  • Photocoagulation and tissue ablation with secondary solid‑state or fiber lasers
  (Final device use is subject to medical device regulations and system‑level certification.)
• Metrology and Test Systems
  Stable cw source for high‑precision measurement tasks:
  • Optical power calibration and reference sources
  • Absorption and transmission measurements in materials research
  • Test and burn‑in of optical components, fibers and connectors
  The integrated power monitor photodiode supports active power stabilization and long‑term drift compensation.
• Optical Pumping and Excitation in Research
  High‑power pump for:
  • Optically pumped semiconductor lasers (OPSL / VECSEL)
  • Nonlinear frequency conversion (SHG, SFG, OPO pumping via solid‑state or fiber lasers)
  • Fluorescence excitation and photoluminescence studies in solid‑state physics
  The narrow spectral width (typ. 3 nm FWHM) and defined center wavelength options (808, 880, 915, 938, 976 nm) support efficient coupling into tailored absorption bands.
• Industrial Illumination and Machine Vision
  High‑intensity illumination source for:
  • Structured light projection and triangulation sensors
  • Line and area illumination for web inspection and surface inspection
  • High‑speed imaging and stroboscopic lighting (via current modulation within rated limits)
  Fiber delivery allows remote mounting of the laser module and flexible beam shaping at the point of use.
• Thermal Processing in Electronics and Photonics
  Localized, fiber‑delivered heat source for:
  • Die attach and component bonding
  • Reflow of solder bumps and interconnects
  • Curing of adhesives and encapsulants in optoelectronic assemblies
  Continuous‑wave operation with integrated TEC enables stable thermal load profiles over long production cycles.
• Defense and Security Laser Subsystems
  Pump module or direct source in:
  • Rangefinders and designators (as pump for Nd‑based lasers)
  • Directed energy pre‑amplifier stages (fiber or solid‑state)
  • LIDAR / ladar transmitters using diode‑pumped lasers
  The long lifetime (> 20,000 h) and robust fiber coupling are suited to demanding field environments when integrated into qualified system platforms.
• Traffic and Infrastructure Systems
  Used as a pump or illumination source in:
  • Traffic monitoring and speed enforcement lidar units
  • Infrastructure sensing and monitoring systems based on fiber‑optic sensors
  • Laser‑based signaling or detection modules
  Integration into optical systems benefits from the standardized F‑SMA 905 fiber connector and compact diode module design.
• Fiber‑Optic Sensing and Distributed Measurement
  Pump or probe source for:
  • Distributed temperature and strain sensing (DTS / DSS) systems
  • Raman and Brillouin‑based fiber‑optic sensors
  • High‑power interrogation units for long‑range monitoring