The Newport LPM635-08C is a compact continuous-wave laser diode module delivering 8 mW at 635 nm with integrated collimating optics and microlens for circular beam output. Operating in constant optical output power mode, this self-contained unit provides stable emission with <5% power variation over 8 hours and <0.5% rms noise, making it suitable for precision optical applications requiring fixed output power and minimal external control complexity.
Technical Specifications
• Wavelength: 635 nm (±10 nm tolerance)
• Output Power: 8 mW
• Power Stability: <5% over 8 hours
• RMS Noise Power: <0.5% rms
• Beam Profile: Circular (microlens-generated)
• Beam Diameter (1/e²): 1.47 × 1.47 mm
• Beam Divergence (Full Angle): <1.2 mrad
• Linewidth: 2 nm
• Maximum Operating Current: 120 mA
• Operating Temperature: 0 to 40°C
• Physical Dimensions: Ø12.7 × 50.8 mm
– Key Features
• Integrated collimating optics and microlens eliminate external beam shaping requirements
• Circular beam geometry reduces aberrations and improves coupling efficiency compared to elliptical output
• Constant optical output power mode provides autonomous stabilization without external feedback control
• Low noise operation (<0.5% rms) supports sensitive detection applications
• Compact form factor enables integration into space-constrained optical systems
• Self-contained module with minimal external components required
– Typical Applications
• Spectroscopy and photometry
• Interferometric measurement systems
• Machine vision and inspection
• Marking and material processing
• Flow cytometry
• Fluorescence microscopy and tissue imaging
– Compatibility & Integration
Module operates from 3.5 to 5 VDC external supply (5 VDC specified for nominal operation in 635 nm range). Newport LPMS Series power supplies are recommended for CDRH compliance, offering interlock input, key enable switch, delayed start-up, and laser active indication. Standard optical mounting interfaces support integration with commercial mounts and brackets. Heat sink recommended for temperatures above 25°C or operation near maximum input voltage.
