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Power stability, linewidth, beam quality

FC-640640 nm red CW laser

640 nm

FC-640 is a 640 nm CW laser. Used for pumping, scientific research, industrial, medical applications. 640 nm Red Laser. Key specifications: output / average power 1~3 W. View specifications, datasheet and enquiry options from Precisometer.

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Specifications

FC-640

2 specification rows

Wavelength640 nm
Output / average power1~3 W
Beam / notes640 nm Red Laser

Application context

Why this design is used

Applications named on this model’s datasheet, expanded with the model’s optical specifications.

Pumping

FC-640: 640 nm emission determines compatible optics, coatings and detectors for Pumping. Beam quality, divergence and pointing stability should be checked against the experiment geometry.

Scientific research

FC-640: 640 nm emission determines compatible optics, coatings and detectors for Scientific research. Beam quality, divergence and pointing stability should be checked against the experiment geometry.

Industrial

FC-640: 640 nm emission determines compatible optics, coatings and detectors for Industrial. Beam quality, divergence and pointing stability should be checked against the experiment geometry.

Medical applications

FC-640: 640 nm emission determines compatible optics, coatings and detectors for Medical applications. Beam quality, divergence and pointing stability should be checked against the experiment geometry.

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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Model selection

Nearby series comparison

Compare FC-640 with the closest available models in the CW Lasers family. Confirm option-dependent values on the final configuration before ordering.

Selection parameterFC-640 (current)MRL-640(Line)MRL-640(FC)
Wavelength640 nm640 nm640 nm
Optical power / pulse energy1~3 W1~4000 mW1~10000 mW
Operating mode / pulse widthConfirm for this modelCWCW
Beam qualityConfirm for this modelTEM00TEM00

Related cw lasers

Compare the FC-640 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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