The Newport LQC905-85E is a compact CW laser diode module delivering 85 mW at 905 nm in a single integrated housing. The module combines a Fabry-Perot laser diode with collimating optics to provide a stable, ready-to-deploy light source for range finding, laser radar, optical sensing, and machine vision applications.
Technical Specifications
Optical Performance
• Wavelength: 905 nm center (±15 nm tolerance)
• Output Power: 85 mW
• Power Stability: <1% over 8-hour period
• Noise: <0.5% rms
• Linewidth: 0.5 nm
• Beam Diameter (1/e²): 1.08 × 3.78 mm
• Beam Divergence (full angle): <1.5 × 0.7 mrad
• Beam Shape: Elliptical
• Warm-up Time: 2 ns
Electrical & Environmental
• Supply Voltage: 4.8 to 12 VDC
• Maximum Operating Current: 3000 mA
• Operating Temperature: 0 to 40°C
• Physical Dimensions: Ø38.1 × 157.5 mm
– Key Features
• Integrated laser diode and collimating optics in sealed housing
• Fabry-Perot diode architecture
• Elliptical beam profile optimized for sensing applications
• No user-serviceable parts
• Heat sink recommended for operation above 25°C
• Not CE marked
– Typical Applications
• Range finding and laser radar
• Optical and spectroscopic sensing
• Machine vision and flow cytometry
• Tissue fluorescence imaging
• Ceilometers and surveying equipment
• Interferometry and optical fuses
• Weapons simulation
– Compatibility & Integration
Newport recommends their LPMS Series Power Supplies (sold separately) for CDRH compliance, featuring interlock inputs, key enable switches, delayed start-up, and laser active indicators. Direct connection to unregulated power sources is not recommended for critical applications.















