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SLM, narrow linewidth, coherence

MSL-DU-639-W639 nm red narrow-linewidth single-frequency laser

639 nm

MSL-DU-639-W is a 639 nm Single-Frequency laser. Used for optical frequency standards, gravitational wave detection, tests of fundamental physics, atomic clocks. M²: <1.2. Key specifications: output / average power 1~750 mW, spectral linewidth <1 MHz, optical noise <0.5%. View specifications, datasheet and enquiry options from Precisometer.

Specifications

MSL-DU-639-W

24 specification rows

Output / average power1~750 mW
Spectral linewidth<1 MHz
Optical noise<0.5%
<1.2
Operating modeCW
Power stability (rms, 4 hours, ±3°C)<3%, <2%, <1%
Transverse modeTEM00
Longitudinal modeSingle
Beam divergence (mrad)<1.5
Polarization ratio>100:1, Horizontal (Vertical optional)
Pointing stability over temperature (urad/°C)<8
Warm-up time (minutes)<30
Cooled method (water cooled)WCH-580
Operating temperature (°C)10-35
Power supply (100-240VAC)PSU-SR
Expected lifetime (hours)>10000
Wavelength (nm)639±1
Output power (mW)1-750
Coherent length (m)>40
Frequency shift (MHz) (over ±2°C and 8hrs) (optional)<±100 MHz (±0.15pm)
Noise of amplitude (rms, 20Hz-20MHz)<1%, <0.5%
Beam diameter at the aperture (1/e2, mm)<1.5
Pointing stability (urad) (over 2 hours after warm-up and ±3°C)<50
Beam height from base plate (mm)47.4

Applications

Uses named on this model’s datasheet.

  • Optical frequency standards
  • Gravitational wave detection
  • Tests of fundamental physics
  • Atomic clocks
  • High -resolution spectrum
  • Lidar
  • Precision measurement

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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