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640 NX
Single Frequency CW C-DPSS Laser
The Skylark 640 laser delivers unrivalled continuous wave single frequency performance at market-leading output powers from a small footprint — making it suitable for integration with existing systems and a wide range of applications. The 640 NX provides outstanding beam characteristics, high output stability, long coherence, extremely low noise, and a versatile software package.
640 nm
up to 1,500 mW
≤ 0.5 MHz
Spatial mode
CW, SLM
Operational mode
TEM00
Spectral bandwidth
Output power (fixed value within range)
Wavelength
< 200 W
Power consumption
5 - 30 mins
Warm up time
± 0.2 pm
≤ 1.0 % Peak to Peak
≤ 0.1 % RMS
Output power noise (10 Hz - 10 MHz)
Output power stability (over 8 hours)
Spectral stability (over 8 hours)
≥ 100:1, vertical
Polarisation ratio
65 mm
0.8 - 1.2 mm
1.0 mrad, diffraction limited
Beam pointing stability
> 100 m
Coherence length
≤ 5 µrad/°C
Beam divergence
Beam diameter at output aperture
Beam height
210 x 100 mm
238 x 170 x 54 mm
Controller L x W x H
Laser head L x W
18 - 30 °C
± 1.5 °C
0 - 50 °C
Humidity
5 - 95 %, non-condensing
Storage
Laser interface stability
Ambient temperature range
Holography, Holographic imaging, Holographic art, Holographic interferometry, Holography research, Raman spectroscopy, Fluorescence
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