Spectral resolution
Keep laser linewidth and side modes out of the measurement.
Reveal composition · Spectroscopy & analysis
Raman spectroscopy
Protect weak molecular fingerprints with a clean, stable excitation line.
Application focusSpectral resolution
Signal vs fluorescence
Select wavelength around sample response and background.
Clean excitation
Control power, beam quality, and edge or notch filtering.
Why the source matters
Narrow linewidth and high spectral purity protect Raman resolution and reduce background in low-wavenumber and micro-Raman setups.
The correct source is defined at the sample or process—not at the laser aperture. Wavelength and operating mode set the interaction; stability, delivery, timing, and control determine whether it stays useful in the complete system.
Light in320, 360, 405, 442, 457, 473, 514.5, 532, 633, 660, 671, 785, 808, 830, 1064 nm
InteractionProbe matter
ResultSpectral resolution
Application workflow
Design from the result backward.
Three decisions turn the application into a practical source specification.
Choose the spectral window
Start with the sample, expected Raman shift, detector range, and fluorescence background.
Protect the laser line
Set linewidth, spectral purity, stability, and filtering before selecting output power.
Build the measurement chain
Match free-space or fiber delivery to the probe, microscope, spectrometer, and collection optics.
Selection guide
Match the architecture to the experiment.
These are starting architectures. Precisometer qualifies the final wavelength, output, delivery, control, and integration package against your setup.
- Wavelength band
- 320, 360, 405, 442, 457, 473, 514.5, 532, 633, 660, 671, 785, 808, 830, 1064 nm
- Operating mode
- CW, narrow-linewidth, single-frequency where required
Routine Raman
A stable CW DPSS or diode source balances power, footprint, and cost.
Low-wavenumber Raman
Use a narrow-linewidth or single-frequency source with strong spectral filtering.
Turnkey measurement
Specify the source, probe, filters, spectrometer, and microscope interface together.
Source architecture
Platform families to qualify.
UV, visible, NIR, and fiber laser options
Single-frequency and narrow-linewidth lasers
For coherent experiments where linewidth, coherence length, and frequency stability matter more than raw output power.
kHz-class linewidth optionsLong coherence lengthLow frequency noise
193-10500 nm source coverage
CW DPSS and diode lasers
For stable continuous sources where clean beam quality, power stability, and practical instrument integration matter.
High stabilityLow noiseCompact integration
185-2500 nm spectrometer and analyzer options
Spectrum analysis and laser measurement
For customers who need the source and diagnostic chain specified together.
Laser line measurementRaman and fluorescence systemsPower measurement
Ready to specify
Bring us the application—not a guessed model number.
Ask for excitation wavelength, target Raman shift range, linewidth target, output mode, sample power limit, and required filtering.
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