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Power stability, linewidth, beam quality

PGL-F-940940 nm near-infrared CW laser

940 nm

PGL-F-940 is a 940 nm CW laser. Used for dna sequencing, flow cytometry, medical imaging, measurement. Controlled by PC, lens optional. Key specifications: output / average power 1~50 mW. View specifications, datasheet and enquiry options from Precisometer.

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Specifications

PGL-F-940

2 specification rows

Wavelength940 nm
Output / average power1~50 mW
Beam / notesControlled by PC, lens optional

Application context

Why this design is used

Typical uses for this laser type, with the selection logic tied to the model record.

DNA sequencing

PGL-F-940: 940 nm emission can be matched to the absorption or excitation band used in DNA sequencing. Power stability and beam pointing should be confirmed because both affect quantitative image or fluorescence intensity.

Flow cytometry

PGL-F-940: 940 nm emission can be matched to the absorption or excitation band used in Flow cytometry. Power stability and beam pointing should be confirmed because both affect quantitative image or fluorescence intensity.

Medical imaging

PGL-F-940: 940 nm emission can be matched to the absorption or excitation band used in Medical imaging. Power stability and beam pointing should be confirmed because both affect quantitative image or fluorescence intensity.

Measurement

PGL-F-940: Measurement benefits from a stable, focusable source. 940 nm emission fixes the compatible coatings and detector response, while M², divergence and pointing stability should be confirmed for the intended beam path.

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 PGL-F-940 with the closest available models in the CW Lasers family. Confirm option-dependent values on the final configuration before ordering.

Selection parameterPGL-F-940 (current)MLL-III-940LMLL-III-940
Wavelength940 nm940 nm940 nm
Optical power / pulse energy1~50 mW1~250 mW1~1000 mW
Operating mode / pulse widthConfirm for this modelCWCW
Beam qualityConfirm for this modelNear TEM00Multimode

Related cw lasers

Compare the PGL-F-940 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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