640nm Single Longitudinal Mode Red Laser SLM Red Laser
Download Datasheet for 640nm Laser
Wavelength (nm): 639±1
Output power (mW): 1-650
Power stability (rms, 4 hours ±3°C): <3%, <2%, <1%, (<0.5% optional)
Transverse mode: TEM₀₀
Longitudinal mode: Single
Operating mode: CW
Spectral line width: <1MHz
Coherent length (m): >50
Noise of amplitude (rms, 20Hz-20MHz): <1%, <0.5%
M²: <1.2,<1.1
Beam diameter at the aperture (1/e², mm): <1.5
Beam divergence, full angle (mrad): <1.5
Polarization ratio: >100:1, Horizontal (Vertical optional)
Warm-up time (minutes): <10
Pointing stability (urad) (over 2 hours after warm-up and ±3°C): <50
Pointing stability over temperature (urad/°C): <8
Frequency shift (MHz) (over ±2°C and 8hrs) (optional): ≤±200
Frequency shift with temp (MHz/°C) (optional): <200
Beam height from base plate (mm): 27.4
Laser head consumption (W): 15 (typical), <25 (40°C)
Operating temperature (°C): 10-35
Power supply (100-240VAC): PSU-H-FDA
Expected lifetime (hours): >10000
