• Center Wavelength: 1581.18 nm
• Wavelengths in C, and L Bands
• Output Power: 20 mW
• Unbeatable Wavelength Stability:< 2 pm / 24 hrs
• Extremely Stable Output Power < 0.01dB / 24 hrs
• Precise Wavelength Tuning: over ± 0.85 nm
• Direct Display of Wavelength During Tuning
• Precise Power Attenuation: over 6 dB, typ. 10 dB
• Variable Coherence Control, Linewidths Adjustable up to 1 GHz
• Instrument Drivers for LabVIEW™ & LabWindows/CVI™
• FC/APC Connector

The WDM8-L-37A-20-NM WDM Laser Module is a DFB laser source for the PRO8 Test & Measurement Platform with precise tunability as well as long-term wavelength and power stability. Provided with adjustable coherence control, this laser module is ideally suited for all DWDM applications such as test systems for fiber optic DWDM components, EDFA manufacturing, and multi-laser optical sources for DWDM transmission experiments. For detailed information about the PRO8 test and measurement platform, please see PRO8 Platform. If you need a complete system with 8 laser sources, please see Preconfigured Laser Banks.

For more information about the WDM8-L-37A-20-NM Laser Module, please visit the PRO8 DWDM DFB Laser Diode Modules page accessible via the breadcrumb links at the top of this page.

• Wavelength
• Wavelength: 1581.18 nm
• Frequency: 189.6 THz
• Tuning Range: ±0.85 nm
• Accuracy: ±0.025 nm, Typ.< ±0.01 nm
• Stability typ.: <0.002 nm Over 24 hrs
• Resolution: 1 pm
• Laser Linewidth: <10 MHz
• Output Power
• Optical Power: 20 mW
• Accuracy (abs./ rel.): 0.6 dB / 0.4 dB
• Stability (Coherence Control active): <0.002 dB Over 15 s, <0.005 dB Over 15 min, <0.01 dB Over 24 hrs
• Attenuation Range: >6 dB; 10 dB Typ. (Continuously Variable)
• Resolution: 0.01 dB
• Side Mode Suppression Ratio (SMSR): >40 dB Typ. (>36 dB Min) at Max Power
• Relative Intensity Noise (RIN): -145 dB/Hz Typ.
• Optical Isolation: >35 dB
• Coherence Control
• Linewidth: Up to 1 GHz (Adjustable)
• Shape: Noise, Sine & Square (Triangle upon request)
• Bandwidth (Noise): ~ 0.2 to 5 KHz
• Frequency (Sine and Square): 0.02 to up to 50 kHz
• Modulation Depth (Noise): 0.1 to 10%
• Modulation Depth (Sine and Square): 0.1 to 100%
• Modulation
• ON/OFF Modulation: 0.02 to up to 50 kHz
• Synchronous TTL: 0 to 10 kHz (all lasers within mainframe simultaneously via common BNC input)
• Analog LF Modulation: DC to 50 kHz (Option, via SMA Input at the Module)
• General
• Optical Output (Standard): FC/APC
• Fiber: PMF
• Operating Temperature: 0 to 35 °C (non-condensing)
• Storing Temperature: -40 to 60 °C
• Warm-Up Time for Rated Accuracy: 15 min
• Laser Module Width: 1 PR)8 Slot
• Weight: <0.5 kg
• Laser Safety Class: 1M