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Precisometer

Power stability, linewidth, beam quality

H-420420 nm violet CW laser

420 nm

H-420 is a 420 nm CW laser. Used for flow cytometry, dna sequencing, medical imaging, spectrum analysis. Laser. Key specifications: output / average power 500~1300 mW. View specifications, datasheet and enquiry options from Precisometer.

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Specifications

H-420

2 specification rows

Wavelength420 nm
Output / average power500~1300 mW
Beam / notesLaser

Applications

Typical uses for lasers of this wavelength and type in this catalogue.

  • Flow cytometry
  • DNA sequencing
  • Medical imaging
  • Spectrum analysis
  • Measurement

Need this configured?

Share wavelength, operating mode, output power or pulse energy, linewidth or pulse width, delivery, control, and safety requirements and we will qualify the matching configuration and lead time.

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Related cw lasers

Compare the H-420 with nearby cw lasers across the wavelength range.

Choosing a laser

Guides that put this laser in context

Which specifications decide the experiment, and which ones cost money without changing the result.

All guides
Laser emission spectrum, intensity noise traces, and beam quality profiles illustrating the main laser specifications
Photonics
13 min Spec lab

Laser specifications decoded

Linewidth, spectral width, RIN, M², and coherence length answer five different questions. Translate each into the units your experiment is designed in — and learn which ones not to pay for.

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Low-noise laser head and controller of the type specified for optical trapping
Optical trapping
16 min 2 simulations

Choosing a laser for optical tweezers

Why wavelength is decided by photodamage, focal heating, and detector bandwidth rather than trapping force — and what laser noise costs you in piconewtons.

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Fluorescently labeled cells in a sharp confocal focal plane
Confocal microscopy
14 min Design lab

Designing a confocal fluorescence excitation system

Connect fluorophores, pinhole size, Airy units, spatial sampling, scan timing, modulation, and power after the fiber in one practical design workflow.

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