The ILX Lightwave 7900B mainframe with eight 79800D Laser Diode Source/Monitor Units delivers precise control and characterization of laser diodes across research, manufacturing, and quality control operations. This modular platform independently manages laser diode current and temperature with exceptional stability and low noise, enabling accurate performance validation of multiple devices simultaneously.
– Technical Specifications
ILX Lightwave 7900B Mainframe
• Modular chassis supporting up to eight instrument modules
• Houses ILX Lightwave 70000 series modules including the 79800D
• Integrated front panel display for real-time parameter monitoring
• Front panel and remote control via standard communication interfaces
• Internal fan cooling system for thermal management
ILX Lightwave 79800D Laser Diode Source/Monitor Unit (per module)
• Laser diode current source with configurable range suitable for multiple diode types
• High-resolution current setting (0.1 mA or better)
• Long-term current stability ±0.01 mA or better
• Low current noise performance < 0.5 µA RMS
• Compliance voltage up to 10 V
• High output impedance for stable current delivery
• Temperature controller with control range -40°C to +150°C (configuration-dependent)
• Temperature stability ±0.01°C or better
• Temperature setpoint resolution 0.001°C
• Compatible with standard TEC sensors (thermistors 10 kΩ, RTDs)
• Capable of driving standard TEC modules within specified current and voltage limits
• Power meter input for optical power measurement
– Key Features
• Independent control of eight laser diode channels
• Simultaneous source and temperature management per module
• Low-noise operation minimizes laser diode characteristic degradation
• Flexible configuration accommodates various laser diode types
• Precision temperature control ensures wavelength and power consistency
– Typical Applications
• Laser diode characterization and performance validation
• Research and development testing
• Manufacturing quality control
• Wavelength and power stability assessment
• Multi-channel parallel laser testing
– Compatibility & Integration
The 7900B mainframe accepts eight 79800D modules, each providing independent source and temperature control. Remote control capabilities enable system integration into automated test environments. Modular architecture permits mixed configurations with other 70000 series instruments.
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