Market-leading
640 nm red laser performance
The Skylark 640 NX laser offers C-DPSS CW single frequency operation, delivering up to 1,500 mW of unrivalled ultra-stable output power and wavelength from a compact footprint. The Skylark 640 NX is designed for precision applications with excellent spectral purity and extremely low noise.
Narrow linewidth
Precise spectral resolution for fine-tuned interaction and high resolution measurement.
Ultra-stable output
Reliable output power and wavelength stability with minimal drift over long laser operation.
Excellent beam quality
Enables precise focusing, minimal divergence, high resolution, and superior accuracy.
Long coherence length
Ensures precise interference and measurements with excellent clarity over 100 m.
High power, ultra-stable visible light for precision-demanding applications
Skylark NX lasers power applications with ultra-stable output, coherence, and precision performance.
The Skylark 640 NX laser is designed for integration and packaged with versatile software control - making it suitable for a wide range of precision-demanding analytical applications.
Manufacturing
Interferometry, Lithography, Wafer fabrication, High precision optics, Optical grating mastering, Diffraction grating mastering.
Inspection
Key specifications
WAVELENGTH
640 nm
OUTPUT POWER (fixed value within range)
up to 1,500 mW
SPECTRAL BANDWIDTH
≤ 0.5 MHz
SPATIAL MODE
TEM00
OPERATIONAL MODE
CW, SLM
Laser performance
SPECTRAL STABILITY (over 8 hours)
± 0.2 pm
OUTPUT POWER STABILITY (over 8 hours)
≤ 1.0 % Peak to Peak
OUTPUT POWER NOISE (10 Hz - 10 MHz)
≤ 0.1 % RMS
WARM-UP TIME
5 - 30 mins
POWER CONSUMPTION (typical)
< 50 W
Beam characteristics
BEAM HEIGHT
51.7 mm
BEAM DIAMETER AT OUTPUT APERTURE
0.8 - 1.2 mm
BEAM DIVERGENCE
≤ 1.0 mrad, diffraction limited
POLARISATION RATIO
≥ 100:1, vertical
BEAM POINTING STABILITY
≤ 5 μrad/°C
COHERENCE LENGTH
> 100 m
Laser system dimensions
LASER HEAD (L x W)
170 x 95 mm
CONTROLLER (L x W x H)
150 x 176 x 61 mm
Environmental conditions
AMBIENT TEMPERATURE RANGE
18 - 30 °C
LASER INTERFACE STABILITY
± 1.5 °C
STORAGE
0 - 50 °C
HUMIDITY
5 - 95 %, non-condensing
Thermal management options
Enhanced intensity stability through compact, closed-loop cooling. Enables portability of the laser system without dependence on a water mains connection.
Compact, low-cost system cooling which is integrated into the laser platform. Intelligently controlled to maintain stable wavelength output and intensity.