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Precisometer

Free-space, SM, MM, microscope combiners

RGB-671/785671 nm red multi-wavelength laser

671 nm

The RGB-671/785 is a precision 671 nm CW Multi-wavelength laser delivering 30/30 mW output power, with <2% power stability, <1.1 beam quality. View technical specifications, download the datasheet, and request configuration options from Precisometer.

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Specifications

RGB-671/785

18 specification rows

Wavelength671 nm
Operating modeCW
Output / average power30/30 mW
Power stability<2%
M²<1.1
Transverse modeTEM00 (single mode fiber output)
Noise of amplitude (rms, 20Hz~20MHz)<1%
Polarization ratioRandom (>30:1 after PM fiber optional)
Fiber typeSM fiber (PM fiber optional)
Fiber Core Diameter(μm)4~9
Fiber NA0.10-0.15
Fiber ConnectorFC/APC
Fiber Length (m)1 (Other lengths are available on request)
Fiber jacketPVC or metal jacket
Warm-up time (minutes)<5
Operating temperature (℃)10~35
Power supply (100-240VAC)RGB-31
Expected lifetime (hours)10000
Warranty1 year

What do you need?

Tell us the output power, beam quality and beam delivery you need, and we'll reply with the matching configuration and lead time.

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Model selection

Nearby series comparison

Compare RGB-671/785 with the closest available models in the Multi-wavelength Lasers family.

Selection parameterRGB-671/785 (current)FC-665/671/680-CHFC-660/808-CH
Wavelength671 nm665 nm660 nm
Optical power / pulse energy30/30 mW1.5/1/1 W2/2 W
Operating mode / pulse widthCWCWCW
Beam quality<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.

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.

Open guide
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.

Open guide
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.

Open guide