349 nm
SKYLARK 349 NX
349 nm single frequency diode-pumped solid-state laser delivering the highest ultraviolet power from a compact footprint.
Reliable power
400 mW
Clean beam
M² ≤ 1.2
Stable output
± 0.2 pm
Maintains ± 0.2 pm wavelength stability over 10s of hours, ensuring spectral integrity for precision tasks.
APPLICATIONS
Robust, ultra-stable ultraviolet laser delivering uniform light for materials research and high throughput manufacturing
Inspection and characterisation
The Skylark 349 NX delivers up to 400 mW of ultraviolet light at 349 nm, providing an excitation source for inspection and analysis applications such as:
- Semiconductor materials characterisation
- Wide bandgap materials inspection (e.g. SiC, GaN, AlN)
- UV Raman
- Photoluminescence (PL)
- UV fluorescence
Process and fabrication
High-power, single frequency DPSS lasers with superior spectral purity deliver precision and consistency, enabling detailed patterning over large areas, and recording of large structures without compromising quality.
The Skylark 349 NX ultraviolet laser at 349 nm powers application such as:
- Laser interference lithography
- Photoluminescence (PL)
- Wide bandgap materials inspection (e.g. SiC, GaN, AlN)
- UV interferometry
- Wafer inspection
"The Skylark 349 NX delivers clean excitation at 3.55 eV and is an excellent replacement for an Argon laser at 351 nm."
Skylark 349 NX CW DPSS laser
The Skylark 349 NX CW DPSS laser provides ultra-stable single frequency UV light at 349 nm for demanding and emerging applications.
Engineered for consistent long-term, stable performance, delivering up to 400 mW of ultra-stable output, low noise, and spectral purity.
Key specifications
Wavelength
349 nm
Output power
up to 400 mW
Spectral bandwidth
≤ 500 kHz / 100 ms, ≤ 13 kHz / 1 ms
Beam quality
M² ≤ 1.2
Spatial mode
TEM₀₀
Operational mode
CW, SLM
Beam parameters
Beam height
59.0 mm
Beam diameter
1.0 - 1.5 mm
Beam divergence
≤ 1.0 mrad, diffraction limited
Beam pointing stability
≤ 5 μrad/°C
Coherence length
> 100 m
Polarisation ratio
≥ 200:1, vertical
Laser performance
Spectral stability (8 hours)
± 0.2 pm
Output power stability (8 hours)
≤ 2.0 % Peak to Peak
Output power noise (10 Hz - 10 MHz)
≤ 0.3% RMS
Warm up time
5 - 30 mins
Power consumption (typical)
< 50 W
Operating conditions
Ambient temperature
18 - 30 °C
Laser interface stability
± 1.5 °C
Storage
0 - 50 °C
Humidity
5 - 95 %, non-condensing
Laser dimensions
Laser head (L x W x H)
325 x 200 x 90 mm
Controller (L x W x H)
150 x 176 x 61 mm
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