45W 1725nm Detachable Fiber Coupled Diode Laser
As a pump source for large laser systems
Features:
- Wavelength: 1725 nm - optimized for infrared laser pumping and scientific research
- Detachable Fiber Design: Simplifies maintenance and replacement, offering flexibility for system integration.
- Long Lifetime & Reliability
Applications:
- Pump Source for Large Laser Systems
- Material Processing: Infrared heating, marking, and micro-processing where 1725 nm wavelength provides optimal absorption

Date sheet
Item No.:FC1725CB45
| Optical | |
| Center Wavelength | 1720nm |
| Wavelength Tolerance | ±20nm |
| Output Power | 45W |
| Working Mode | CW |
| Fiber | |
| Fiber Core | 200um |
| Fiber Length | 1M/0.9mm |
| Fiber Numerical Aperture | 0.22NA |
| Fiber Connector | QBH |
| Electrical | |
| Operating Current Lop | 11A |
| Threshold Current Lth | 1A |
| Operating Voltage Vop | 25V |
| Thermal | |
| Operating Temperature | 25℃ |
Design:


Why it is the preferred pump source for large-scale systems?
1. Precise power and wavelength matching to meet high-load demands: A rated output power of 45W, paired with a specific wavelength of 1725nm, precisely adapts to the pumping requirements of mainstream large-scale laser systems such as holmium and thulium lasers. It maintains power stability during continuous high-load operation, avoiding system output attenuation due to insufficient pump energy, making applications such as laser cutting, medical laser therapy, and material modification more reliable.
2. Detachable fiber coupling design reduces maintenance and adaptation costs: Unlike traditional fixed coupling structures, its detachable fiber design allows for more flexible maintenance. When fiber loss occurs or needs to be adapted to laser systems with different interfaces, only the fiber assembly needs to be replaced, without replacing the entire laser, significantly reducing downtime and maintenance costs. Simultaneously, flexible fiber length selection (customization supported) adapts to different system installation spaces, reducing integration difficulty. 3. Industrial-grade stability for complex operating conditions. Addressing the challenges often faced by large laser systems, such as long-term operation and fluctuations in ambient temperature and humidity, this laser employs highly stable chips and precise temperature control technology. Its operating temperature range covers -10℃ to 50℃, maintaining low noise output even in dusty or vibrating industrial environments. This ensures long-term stable operation of the entire laser system and reduces production or experimental interruptions caused by pump source failures.

What practical value can it bring to your system? Improved system energy efficiency: High photoelectric conversion efficiency reduces power loss and lowers the overall operating cost of large systems; Extended system lifespan: Stable pump energy reduces laser crystal loss and extends the lifespan of core components; Flexible upgrade adaptability: The detachable design allows for future replacement with higher-specification fibers based on system power requirements, eliminating the need to repurchase the entire pump source and reducing upgrade costs. From industrial laser equipment to high-power laser systems in research laboratories, the 45W 1725nm detachable fiber-coupled diode laser, with its precise performance, flexible design, and reliable stability, has become the preferred solution for the "power core" of large laser systems.
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