Power stability, linewidth, beam quality

MBL-457(FC)457 nm blue CW laser

457 nm

The MBL-457(FC) is a 457 nm continuous-wave laser source. Continuous-wave operation provides a sustained beam for experiments that need steady illumination. Output power describes the optical energy delivered per second. At the sample, irradiance also depends on the beam area and losses through the optical path, so the delivered spot must be considered along with the source rating.

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Specifications

MBL-457(FC)

1 specification rows

Wavelength	457 nm
Output / average power	1~8000 mW

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Model selection

Nearby series comparison

Compare MBL-457(FC) with the closest available models in the CW Lasers family.

Selection parameter	MBL-457(FC) (current)	MSL-R-457	Low Noise
Wavelength	457 nm	457 nm	457 nm
Optical power / pulse energy	1~8000 mW	Water cooled	350-1000 mW

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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.

Laser emission spectrum, intensity noise traces, and beam quality profiles illustrating the main laser specifications

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.

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.

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.