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Wavespectrum Laser is a manufacturer of the quality and high performance diode laser products, we are committed to developing, producing and selling high performance laser products. The wavelength range is wide, product packaging variety, single mode fiber, multi-mode fiber and polarization maintaining fiber is available. We strictly control the product quality and have earned wide praise from customers all over the world with their outstanding performance.
Wavespectrum Laser offers a variety of laser diodes, including 1550nm 2.5W E-mount laser diodes. Additional, we provide different power versions of 1550nm multi-mode laser diodes. For the near-wavelength multi-mode laser diodes, we can offer the 940nm, 980nm, 1064nm, 1310nm, 1450nm, 1470nm, 1570nm and 1920nm laser diodes to customers.
Product Feature of 1550nm 2.5W E-mount Laser Diode
Wavelength: 1550nm
Output Power: 2.5W
Package: E-mount
FAC Lens Optional
FP Laser Products
Product Parameter of 1550nm 2.5W E-mount Laser Diode
| Specifications | WSLD-1550-2500m-E | ||
| Min | Type | Max | |
| Center Wavelength@25℃ | 1550nm±30nm | ||
| Spectral Width (FWHM) | - | 10mW | - |
| Output Power | 2W | 2.5W | - |
| Emitter Area | - | 100x1μm | - |
| Beam Divergence | - | 35°┴ x 10°// | - |
| Beam Divergence (FWHM) | - | 35°┴ x 25°// | - |
| Temperature Coefficient of Wavelength | - | 0.7nm / °C | - |
| Slope Efficiency | - | 0.3W/A | - |
| Threshold Current (Typ.) | - | 0.5A | - |
| Operating Current (Typ.) | - | 8.0A | - |
| Operating Voltage | - | 2.0V | - |
| Package Style | E-mount | ||
| Recommended Operating Temperature | 25℃ | ||
Product Drawing of 1550nm 2.5W E-mount Laser Diode
E-mount Package View

Electrically shorten LD module and store in non-extreme conditions.
Suggest using the constant current power supply.
Product Application of 1550nm 2.5W E-mount Laser Diode
Medical Treatment
Biological Detection
Sensing Application
For more questions visit our help center.
Select based on the wavelength, output power, and fiber connector (e.g., SMA905) you require. Please inform us if you need special modulation.
Our lasers feature thermoelectric cooling and precise temperature control, ensuring more stable output, superior beam quality, and a longer lifespan for demanding applications.
Yes. Most models support TTL modulation, allowing you to quickly switch the laser or adjust its intensity via an external signal.
We offer an 18-month warranty, and each unit undergoes rigorous aging tests to ensure reliability and a long service life.
