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Power stability, linewidth, beam quality

MDL-III-420L420 nm violet CW laser

420 nm

MDL-III-420L is a 420 nm CW laser. Used for medical imaging, flow cytometry, dna sequencing, measurement. High Stability Violet Blue Laser. Key specifications: output / average power 1~100 mW. View specifications, datasheet and enquiry options from Precisometer.

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Specifications

MDL-III-420L

2 specification rows

Wavelength420 nm
Output / average power1~100 mW
Beam / notesHigh Stability Violet Blue Laser

Applications

Uses named on the datasheet for this product line.

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

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Choosing a laser

Guides that put this laser in context

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

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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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