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420 nm Violet Lasers

Violet · CW, Pulsed · Datasheets & quote request

420 nm Violet Lasers

The 420 nm emission line operates in the Violet region of the optical spectrum. Our portfolio includes configurations across CW Lasers, Pulsed Lasers, supporting CW, Pulsed operation. Compare power levels, linewidth, stability, and package dimensions below.

13 models3 series2 wavelengthsquote after qualification

Key applications

  • Confocal fluorescence microscopy (DAPI, Hoechst, Alexa 405)
  • Direct-write PCB lithography
  • Resin photopolymerization and curing
  • Optical storage mastering
  • Flow cytometry excitation

13 models · 3 series

420nm Violet Blue Laser, Diode Laser, Violet Laser |

7 models
ModelWavelengthOutput / average powerPower stability (rms, 4 hours ± 3°C)Transverse modeNoise of amplitude (rms, 20Hz-20MHz)M2Beam divergence, full angle (mrad)Warm-up time (minutes)Cooled methodOperating temperature (°C)Power supply (100-240VAC)Expected lifetime (hours)
MLL-III-420L420 nm1~100 mW<2%, <1%, <0.5%Near TEM00<1%, <0.5%<1.5 / <1.2<1.0<5Conduction10-35PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM>10000Datasheet
MLL-III-420420 nm1~500 mW<2%, <1%, <0.5%–<1%, <0.5%–<2.5×0.2<5Conduction10-35PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM>10000Datasheet
MLL-H-420420 nm500~1300 mW<2%, <1%, <0.5%Multimode<1%, <0.5%–<2.5×0.2<5Air cooled10-35PSU-H-FDA/PSU-H-LED>10000Datasheet
MDL-XS-420420 nm1~100 mW–Multimode––<2.5×0.2–Air cooled10-35PSU-H-FDA/PSU-H-LED>10000Datasheet
H-420420 nm500~1300 mW––––––––––
MDL-NS-420420 nm1~100 mW–Multimode––<2.5×0.2–Air cooled10-35PSU-H-FDA/PSU-H-LED>10000Datasheet
MDL-PS-420420 nm1~50 mW–Multimode––<2.5×0.2–Air cooled10-35PSU-H-FDA/PSU-H-LED>10000Datasheet

High Energy Laser |

1 model
ModelWavelengthPulse energyRepetition rate
420 ~ 1200420~1200 nm1-20 mJ10 Hz

420nm Violet Blue Laser, Diode Laser, Violet Laser |

5 models
ModelWavelengthOutput / average powerPower stability (rms, 4 hours ± 3°C)Fiber connectorCooled methodOperating temperature (℃)Operating voltage (VAC)Expected lifetime (hours)
MDL-H-420420 nm500~1300 mW––––––
MDL-III-420420 nm1~500 mW––––––
MDL-III-420L420 nm1~100 mW––––––
FC-420420 nm1~500 mW<2%, <1%, <0.5%SMA905, FC/PC optionalAir cooled10-35100-240>10000Datasheet
MDL-420(FC)420 nm1~320 mW––––––

Not sure which model fits?

Send the physics — wavelength, mode, power or energy, linewidth or pulse width, delivery, control and safety — and we qualify the source.