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Precisometer

Free-space, SM, MM, microscope combiners

FC-690/750/880-CH690 nm red multi-wavelength laser

690 nm

The FC-690/750/880-CH is a precision 690 nm CW Multi-wavelength laser delivering 1/2/2 W output power, with <1% power stability. View technical specifications, download the datasheet, and request configuration options from Precisometer.

Datasheet (PDF)Back to Multi-wavelength LasersBrowse all laser models

Specifications

FC-690/750/880-CH

17 specification rows

Operating modeCW
Output / average power1/2/2 W
Power stability<1%
Fiber typeMM fiber
Fiber Core Diameter(μm)400/ 200
Fiber ConnectorSMA905/ FC
Fiber jacketPVC or metal jacket
Warm-up time (minutes)<5
Operating temperature (℃)10~35
Expected lifetime (hours)10000
Warranty1 year
Wavelength combination (nm)CH1: 690, CH2: 750, CH3: 880
Output power after fiber1W@690nm, 2W@750nm, 2W@880nm
Output typeThree channels output
Fiber Length (m)1 (Other lengths are available on request)
Input voltage100-240VAC
Modulation optionalTTL on/off, 1Hz-1kHz, 1kHz-10kHz, 10kHz-30kHz; and Analog modulation optional

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 FC-690/750/880-CH with the closest available models in the Multi-wavelength Lasers family.

Selection parameterFC-690/750/880-CH (current)FC-690/740/830/915/980/1550/1870FC-690/760/808/852/915/980
Wavelength690 nm690 nm690 nm
Optical power / pulse energy1/2/2 W1/2/2.5/5/10/2.5/0.5 W1/5/5/1.5/5/10 W
Operating mode / pulse widthCWCWCW

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Compare the FC-690/750/880-CH with nearby multi-wavelength 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.

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