Stradus® 405‐250 Diode Laser Module

Specifications

Center Wavelength: 0.405 um
Output Power: 250 mW
Spatial Mode: TEM 00
Small Beam: ~1.0 mm, ~0.6 mrad
Standard Beam: ~1.4 mm, ~0.5 mrad
M² (typical): < 1.25
Pointing Stability: < 5 µrad/°C
Power Stability (over 24 Hours): < 0.5%
Polarization Orientation: Vertical ±2°
Polarization Extinction Ratio: >100:1
Input Power (Head): 12V DC, 1.5A (max)
Input Power (Control Box): 90‐250 VAC, 50/60Hz
Storage Temperature: -10°C to +60°C
Operating Temperature: +10°C to +45°C
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


  • Wavelength: 405 ± 5 nm

  • Power Output: 250 mW (‐0%, +10%)

  • Spatial Mode: TEM 00

  • Small Beam Size: ~1.0 mm, ~0.6 mrad

  • Standard Beam Size: ~1.4 mm, ~0.5 mrad

  • M² (typical): < 1.25

  • Beam Circularity: > 90%

  • Beam Centration: < 0.5 mm

  • Beam Alignment: < 5 mrad

  • Pointing Stability: < 5 µrad/⁰C

  • Power Stability (over 24 hours): < 0.5%

  • Polarization Orientation: Vertical ±2⁰

  • Polarization Extinction Ratio: >100:1

Applications


  • Fluorescence Microscopy: Delivers stable 473 nm excitation for high-contrast imaging

  • Flow Cytometry: Enables accurate cell analysis with low noise and stable beam output

  • Spectroscopy: Supports Raman and absorption spectroscopy requiring precise blue wavelengths

  • Biomedical Diagnostics: Ideal for devices needing reliable blue laser sources

  • Industrial Metrology & Alignment: Provides precision alignment and measurement capabilities in manufacturing environments