The Newport LQC658-30C is a 658 nm continuous wave laser diode module delivering 30 mW of stable optical output. It combines a Fabry-Perot laser diode, integrated drive electronics, and thermal management in a compact cylindrical housing (Ø38.1 × 157.5 mm). The module operates from 4.8 to 12 VDC input and maintains <1% power stability over 8 hours with <0.5% noise, making it suitable for precision optical applications demanding wavelength stability and low drift.
Technical Specifications
• Wavelength: 658 nm (±10 nm tolerance)
• Output Power: 30 mW
• Laser Type: Fabry-Perot (FP)
• Linewidth: 2 nm
• Beam Diameter (1/e²): 1.57 × 1.57 mm
• Beam Divergence (Full Angle): <1.2 mrad
• Power Stability: <1% over 8 hours
• Noise Level: <0.5%
• Operating Current Range: DC to 3000 mA
• Power Input: 4.8 to 12 VDC
• Operating Temperature: 0 to 40°C
• Module Dimensions: Ø38.1 × 157.5 mm
– Key Features
• Circular beam profile with tight diameter and low divergence for focused optical delivery
• Single-supply operation simplifies integration into existing instrument platforms
• Minimal output fluctuation (<1% drift) maintains measurement accuracy in extended runs
• Compact form factor enables OEM integration and retrofit applications
– Typical Applications
• Spectroscopy and interferometry
• Machine vision and marking systems
• Flow cytometry and tissue fluorescence
• Microscopy and metrology
– Compatibility & Integration
The module is compatible with Newport LPMS Series Power Supplies. Use of recommended LPMS-5-110 or LPMS-5-220 Series supplies ensures CDRH compliance with interlock input, key enable switch, delayed start-up, and laser active indication. User documentation for LQx Series modules is available.
















