457 nm High Power Single Longitudinal Mode Blue Laser MSL-W-457/500~2000 mW


MSL-W-457 series is a high power all solid state single longitudinal mode blue laser at 457 nm, which features ultra compact, long lifetime and easy operating.  It is used in DNA sequencing, flow cytometry, cell sorting, optical instrument, spectrum analysis, interference, measurement, holography, physics experiment, etc.

Model #: MSL-W-457-500-5, 500 mW output power, 5% stability. If you need different parameters, please contact us.




457 nm

Average Power

>500, 1000, 2000, 5000 mW

Transverse Mode


Longitudinal Mode


Operating Mode


Power Stability

<3%, 5%

Warm Up Time

< 10 min.

M2 Factor


Beam Divergence, Full Angle

≤1.5 mrad.

Beam Diameter at the Aperture

~ 2.0 mm

Beam Diameter

≤1.2 mm

Beam Height from Base Plate

58 mm

Spectral Linewidth

<0.00001 nm

Polarization Ratio


Pointing Stability after Warm-up

< 0.05 mrad.

Noise of Amplitude (rms, 20Hz - 200MHz)

< 0.5 %

Cooling Method

Water cooled

Operating Temperature

20 - 30 ℃

Power Supply



12 months

Expected Lifetime

10000 (hours)


Please refer to Data Sheet for detailed specifications           

If you need a different model number, please feel free to ask a quotation.  

  • Excellent laser beam quality M2 < 1.2
  • Excellent beam pointing stability
  • Long life time
  • FDA registered
  • ISO and CE qualified
  • ROHS complied
  • Model # MSL-W-457-500-5