PIV, confocal, wafer, marking systems

FC-W-638/450C638 nm red laser system

638 nm

The FC-W-638/450C is a 638 nm fiber-coupled laser source. The laser output is coupled into an optical fiber for delivery to the experiment. The fiber core, numerical aperture and connector determine compatibility with the receiving optics.

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Specifications

FC-W-638/450C

2 specification rows

Wavelength	638 nm
Output / average power	6 W
Beam / notes	Red Fiber-Coupled Laser System

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Model selection

Nearby series comparison

Compare FC-W-638/450C with the closest available models in the Application Systems family.

Selection parameter	FC-W-638/450C (current)	FC-W-638/525C	FC-W-638/525/450C
Wavelength	638 nm	638 nm	638 nm
Optical power / pulse energy	6 W	2.9 W	11 W

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Compare the FC-W-638/450C with nearby application systems 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.

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.