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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 can offer the 1550nm 20mW flat window DFB laser diodes, and we can also supply the different power version 1550nm flat window DFB laser diodes to customers. For the near wavelength laser diode, we can offer the 1490nm, 1510nm, 1530nm, 1570nm, 1590nm and 1610nm laser diodes to customer.
Product Feature of 1550nm 20mW Flat Window DFB Laser Diode
Wavelength: 1550nm
Output Power: 20mW
Package: TO18
Built-in PD
With Flat Window
DFB Laser Products
Product Parameter of 1550nm 20mW Flat Window DFB Laser Diode
| Specifications | WSLD-1550-020m-1-PD-F | ||
| Min | Type | Max | |
| Center Wavelength@25℃ | 1550nm±10nm | ||
| Spectral Width (FWHM) | - | 20mW | - |
| Spectral Width (FWHM) | - | - | 2.0nm |
| Laser Type | DFB | ||
| Recommend Operating Temperature | 25℃ | ||
| Beam Divergence (FWHM) | - | 35°┴ x 25°// | - |
| Reverse Current (PD) Irp | - | 0.5mA | - |
| Reverse Voltage (PD) Vrp | - | - | 15V |
| Threshold Current (Typ.) | - | 5mA | 15mA |
| Operating Current (Typ.) | - | 90mA | 100mA |
| Operating Voltage | - | 1.4V | 1.7V |
| Package Style | TO18 | ||
| Window Type | Flat Window | ||
Product Drawing of 1550nm 20mW Flat Window DFB Laser Diode
Package View:

PIN Bottom View (A-Type):

PIN Bottom View (B-Type):

Electrically shorten LD module and store in non-extreme conditions.
Suggest using the constant current power supply.
Product Application of 1550nm 20mW Flat Window DFB 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.
