Power stability, linewidth, beam quality

MLL-III-635L635 nm red CW laser

635 nm

The MLL-III-635L is a precision 635 nm CW laser delivering 1~200 mW output power. View technical specifications and request the full datasheet from Precisometer.

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Specifications

MLL-III-635L

2 specification rows

Wavelength	635 nm
Output / average power	1~200 mW
Beam / notes	MLL-III-635L/ 1~200 mW

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Model selection

Nearby series comparison

Compare MLL-III-635L with the closest available models in the CW Lasers family.

Selection parameter	MLL-III-635L (current)	FC-E-635	FC-D-635
Wavelength	635 nm	635 nm	635 nm
Optical power / pulse energy	1~200 mW	1~5 W	1~200 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.