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Power stability, linewidth, beam quality

Low Noise637 nm red CW laser

637 nm

Low Noise is a 637 nm CW laser. Used for flow cytometry, dna sequencing, medical imaging, collimation. Key specifications: output / average power 1-100 mW, transverse mode TEM 00. View specifications, datasheet and enquiry options from Precisometer.

Specifications

Low Noise

3 specification rows

Wavelength637 nm
Output / average power1-100 mW
Beam / notesSeries: Low Noise; Features: TEM 00
Transverse modeTEM 00

Series-level technical context

Engineering context for a thin CW Lasers record

This model has no standalone PDF and only a small number of model-specific rows. The values below are traceable context from 18 nearby configurations on the same source-product record; they define the parameters to qualify, but are not substituted for an order-specific datasheet.

Typical operating fields in the series

  • Output / average power: 1-50 mW
  • Output / average power: Wavelength tunable
  • Output power: 1-200
  • Operating mode: CW
  • Power stability (rms, 4 hours ± 3°C): <3%, <2%, <1%

Beam-quality tolerance context

Nearby series records state M²: <1.1, M²: <1.2, Beam divergence, full angle (mrad): <1.0, and Beam divergence, full angle (mrad): <1.5. These are series context, not guaranteed values for Low Noise; confirm them on the order-specific datasheet.

Optical integration schematic

  1. Step 1Laser head and temperature-stabilized base
  2. Step 2Safety shutter and optional optical isolator
  3. Step 3Beam steering, expansion or fiber-launch optics
  4. Step 4Experiment input with wavelength-matched coatings

Application context

Why this design is used

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

Flow cytometry

Low Noise: 637 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.

DNA sequencing

Low Noise: 637 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.

Medical imaging

Low Noise: 637 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.

Collimation

Low Noise: Collimation benefits from a stable, focusable source. 637 nm emission fixes the compatible coatings and detector response, while the listed beam characteristic (TEM 00) informs waist size and propagation.

System integration

Integration and compatibility

Use these checks to connect Low Noise to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.

Beam parameters at the output
Transverse mode: TEM 00
Size the downstream optics from the stated beam diameter and divergence rather than from the aperture of the housing, and confirm the polarisation state before specifying isolators or polarising optics.

Technical FAQ

Integration questions for Low Noise

What beam does the Low Noise deliver?

Transverse mode: TEM 00. Size the downstream optics from the stated beam diameter and divergence rather than from the aperture of the housing, and confirm the polarisation state before specifying isolators or polarising optics.

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

Selection parameterLow Noise (current)Long Coherence LengthTUN-628~637
Wavelength637 nm637 nm637 nm
Optical power / pulse energy1-100 mW1-50 mWWavelength tunable
Operating mode / pulse widthConfirm for this modelConfirm for this modelConfirm for this model
Beam qualityTEM 00Confirm for this modelConfirm for this model