640 nm
SKYLARK 640
640 nm single frequency diode-pumped solid-state laser system delivering high power visible power from a DPSS platform.
High power
1 W
Delivers up to 1,000 mW of efficient visible light at 640 nm, with ample power margin for complex setups.
TEM₀₀ mode
M² ≤ 1.1
Stable output
± 0.2 pm
Maintains ± 0.2 pm wavelength stability with mode-hop-free operation over 10s of hours.
Skylark 640 CW DPSS laser
The Skylark 640 CW DPSS laser provides ultra-stable single frequency VIS light at 640 nm.
Engineered for consistent long-term, stable performance, delivering up to 1,000 mW of ultra-stable output, low noise, and spectral purity.
Key specifications
Wavelength
640 nm
Output power
up to 1,000 mW
Spectral bandwidth
≤ 500 kHz
Spatial mode
TEM₀₀
Operational mode
CW, SLM
Beam parameters
Beam height
90.0 mm
Beam diameter
1.0 - 1.5 mm
Beam quality
M² ≤ 1.1
Beam divergence
≤ 1.0 mrad, diffraction limited
Beam pointing stability
≤ 5 μrad/°C
Coherence length
> 100 m
Polarisation ratio
≥ 100:1, vertical
Laser performance
Spectral stability (8 hours)
± 0.2 pm
Power stability (8 hours)
≤ 2.0 % pk-pk
Power noise (10 Hz - 10 MHz)
≤ 0.3% RMS
Laser control
Control interface
Web-based GUI
Control connectivity
Ethernet (TCP/IP) + digital I/O
Safety features
Interlock, mechanical shutter
Laser dimensions
Laser system (L x W x H)
425 x 200 x 123 mm
Operating conditions
Warm up time
5 - 30 mins
Ambient temperature
18 - 30 °C
Laser interface stability
± 1.5 °C
Storage
0 - 50 °C
Humidity
5 - 95 %, non-condensing
Power consumption (typical)
< 50 W