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Precisometer

Free-space, SM, MM, microscope combiners

RGB-640/1053640 nm red multi-wavelength laser

640 nm

RGB-640/1053 is a 640 nm Multi-wavelength laser. M²: <1.1. Key specifications: operating mode CW, output / average power 50/200 mW, power stability <1%. View specifications, datasheet and enquiry options from Precisometer.

Datasheet (PDF)Back to Multi-wavelength Lasers

Specifications

RGB-640/1053

4 specification rows

Wavelength640 nm
Operating modeCW
Output / average power50/200 mW
Power stability<1%
M²<1.1

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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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