Stradus® 637‐140 Diode Laser Module

Specifications

Center Wavelength: 0.637 um
Output Power: 140 mW
Wavelength: 637 ± 5 nm
Power Output: 140 mW (-0%, +10%)
Spatial Mode: TEM 00
Small Beam: ~1.0 mm, ~1.0 mrad
Standard Beam: ~1.3 mm, ~0.7 mrad
M² (typical): < 1.25
Pointing Stability: < 5 µrad/⁰C
Power Stability: < 0.5% (over 24 hours)
Polarization Orientation: Vertical ±5⁰
Polarization Extinction Ratio: >100:1
Input Power (Head): 12V DC, 1.5A (max)
Input Power (Control Box): 90‐250 VAC, 50/60Hz
Storage Temperature: ‐10⁰C to +60⁰C
Operating Temperature: +10⁰C to +45⁰C
Laser Head Weight: 210g
Communication: Mini‐USB and RS‐232
CDRH Class: Class IIIb
ESD Protection: Class 4
EU Compliance: CE Mark Certified with control box
RoHS Compliance: EU and China
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Features


  • 637 nm Wavelength: Bright red emission suited for precision optical applications

  • High Power Output: 140 mW with excellent power stability over 24 hours

  • Superior Beam Quality: TEM00 mode with M² < 1.25 for optimal focusability

  • Ultra Low Noise: RMS noise <0.1% (10Hz–10MHz) for clean, stable operation

  • Excellent Pointing Stability: <5 µrad/°C ensuring consistent beam alignment

  • Fast Modulation Response: Digital up to 200 MHz (<2 ns rise time); analog up to 500 kHz (<0.7 µs rise time)

  • Compact & Integrated: Self-contained design with patented sealed optical cavity

  • User-Friendly Interface: Mini-USB and RS-232 control with intuitive GUI software

  • Certified Compliance: CE Mark certified and RoHS compliant for EU and China markets

Applications


  • Biomedical Research: Ideal for fluorescence imaging and optical manipulation

  • Medical Diagnostics: Suitable for laser-based diagnostic instrumentation

  • Industrial Measurement: Reliable for precision alignment and inspection systems

  • OEM System Integration: Compact design integrates seamlessly into devices

  • Scientific Instrumentation: Ensures stable operation for spectroscopy and advanced R&D